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Bahia Blanca Aero Weather Records (AR000877500)

Record envelope, standing records and threshold days for Bahia Blanca Aero (AR000877500), Argentina, with 70 years of record.

Key Facts for Bahia Blanca Aero

  • Bahia Blanca Aero (AR000877500) is a weather station in Argentina at -38.73 latitude and -62.17 longitude, 75 m (246 ft) above sea level.
  • The station reports from 1956 to 2025, 70 years of record.
  • 1,464 records set at Bahia Blanca Aero still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Bahia Blanca Aero set a daily record low minimum temperature of -4.9 C (23.2 F) on 15 August 2025.

About the Station

  • Location: Argentina, -38.73 latitude, -62.17 longitude.
  • Elevation: 75 m (246 ft).
  • Period of record: 1956 to 2025, 70 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Bahia Blanca Aero, with 2026 drawn through them The band shows the record high and record low for each calendar day at Bahia Blanca Aero. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Bahia Blanca Aero. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Bahia Blanca Aero, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan43.8 C (110.8 F)3.0 C (37.4 F)n/an/a
Feb41.3 C (106.3 F)1.0 C (33.8 F)n/an/a
Mar40.1 C (104.2 F)-1.5 C (29.3 F)n/an/a
Apr36.7 C (98.1 F)-3.4 C (25.9 F)n/an/a
May30.4 C (86.7 F)-6.4 C (20.5 F)n/an/a
Jun27.8 C (82.0 F)-9.8 C (14.4 F)n/an/a
Jul27.0 C (80.6 F)-11.8 C (10.8 F)n/an/a
Aug32.6 C (90.7 F)-7.9 C (17.8 F)n/an/a
Sep32.5 C (90.5 F)-7.3 C (18.9 F)n/an/a
Oct39.0 C (102.2 F)-4.5 C (23.9 F)n/an/a
Nov38.4 C (101.1 F)-1.5 C (29.3 F)n/an/a
Dec42.2 C (108.0 F)2.4 C (36.3 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Bahia Blanca Aero by the year they were set 1,464 records at Bahia Blanca Aero still stand. 1960 holds the most, with 40. 0102030401956: 191957: 291958: 341959: 331960: 401961: 271962: 301963: 111964: 291965: 381966: 241967: 231968: 241969: 171970: 231971: 381972: 341973: 241974: 231975: 301976: 321977: 321978: 281979: 211980: 291981: 231982: 261983: 161984: 61985: 121986: 211987: 141988: 271989: 221990: 231991: 171992: 131993: 261994: 221995: 261996: 361997: 251998: 191999: 112000: 102001: 262002: 162003: 202004: 92005: 162006: 152007: 212008: 162009: 102010: 162011: 102012: 242013: 312014: 142015: 152016: 92017: 142018: 132019: 102020: 152021: 132022: 72023: 162024: 162025: 51956196319701977198419911998200520122019
1,464 records at Bahia Blanca Aero still stand. 1960 holds the most, with 40.
Standing records at Bahia Blanca Aero by the year they were set
Year setStanding records
195619
195729
195834
195933
196040
196127
196230
196311
196429
196538
196624
196723
196824
196917
197023
197138
197234
197324
197423
197530
197632
197732
197828
197921
198029
198123
198226
198316
19846
198512
198621
198714
198827
198922
199023
199117
199213
199326
199422
199526
199636
199725
199819
199911
200010
200126
200216
200320
20049
200516
200615
200721
200816
200910
201016
201110
201224
201331
201414
201515
20169
201714
201813
201910
202015
202113
20227
202316
202416
20255

All-Time Record Progression

2 new records
When Bahia Blanca Aero set new all-time records 2 all-time records were set at Bahia Blanca Aero between 4 July 1988 and 17 January 2014. Each dot is a new record. Record low minimum temperatureRecord high minimum temperature4 July 1988: Record low minimum temperature -11.8 C (10.8 F)17 January 2014: Record high minimum temperature 28.5 C (83.3 F)199019952000200520102015
2 all-time records were set at Bahia Blanca Aero between 4 July 1988 and 17 January 2014. Each dot is a new record.
When Bahia Blanca Aero set new all-time records
DateKindDetail
1988-07-04Record low minimum temperatureRecord low minimum temperature -11.8 C (10.8 F)
2014-01-17Record high minimum temperatureRecord high minimum temperature 28.5 C (83.3 F)

Wettest Day of Each Month

Nov: 258.1 mm (10.2 in)
Record daily precipitation for each month at Bahia Blanca Aero The wettest day on record for each calendar month at Bahia Blanca Aero. The most was 258.1 mm (10.2 in) on 5 November 1974. 0100200300 Jan: 181.1 mm (7.1 in), 26 January 1979 Jan Feb: 142.7 mm (5.6 in), 29 February 2008 Feb Mar: 210.1 mm (8.3 in), 7 March 2025 Mar Apr: 142.0 mm (5.6 in), 17 April 1998 Apr May: 127.0 mm (5.0 in), 19 May 2005 May Jun: 104.9 mm (4.1 in), 14 June 1980 Jun Jul: 90.9 mm (3.6 in), 13 July 1997 Jul Aug: 36.1 mm (1.4 in), 23 August 2014 Aug Sep: 142.0 mm (5.6 in), 24 September 1996 Sep Oct: 96.0 mm (3.8 in), 13 October 2002 Oct Nov: 258.1 mm (10.2 in), 5 November 1974 Nov Dec: 127.0 mm (5.0 in), 21 December 2008 Dec
The wettest day on record for each calendar month at Bahia Blanca Aero. The most was 258.1 mm (10.2 in) on 5 November 1974.
Record daily precipitation for each month at Bahia Blanca Aero
MonthRecord daily precipitation (mm)Date
Jan181.1 mm (7.1 in)26 January 1979
Feb142.7 mm (5.6 in)29 February 2008
Mar210.1 mm (8.3 in)7 March 2025
Apr142.0 mm (5.6 in)17 April 1998
May127.0 mm (5.0 in)19 May 2005
Jun104.9 mm (4.1 in)14 June 1980
Jul90.9 mm (3.6 in)13 July 1997
Aug36.1 mm (1.4 in)23 August 2014
Sep142.0 mm (5.6 in)24 September 1996
Oct96.0 mm (3.8 in)13 October 2002
Nov258.1 mm (10.2 in)5 November 1974
Dec127.0 mm (5.0 in)21 December 2008

Period of Record Coverage

1956 to 2025
Days with data per year at Bahia Blanca Aero 70 years of record at Bahia Blanca Aero, 1956 to 2025. 23 years have data for under 90 percent of days and are left out of rankings: 1984, 2004, 2005, 2006, 2007, 2008, 2009, 2010 and others. 1956: 330 of 366 days1957: 365 of 365 days1958: 337 of 365 days1959: 365 of 365 days1960: 366 of 366 days1961: 365 of 365 days1962: 365 of 365 days1963: 364 of 365 days1964: 362 of 366 days1965: 365 of 365 days1966: 364 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 365 of 365 days1970: 364 of 365 days1971: 364 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 364 of 365 days1980: 366 of 366 days1981: 364 of 365 days1982: 364 of 365 days1983: 339 of 365 days1984: 13 of 366 days1985: 365 of 365 days1986: 365 of 365 days1987: 364 of 365 days1988: 364 of 366 days1989: 365 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 365 of 365 days1994: 365 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 347 of 365 days2002: 355 of 365 days2003: 358 of 365 days2004: 252 of 366 days2005: 185 of 365 days2006: 96 of 365 days2007: 189 of 365 days2008: 181 of 366 days2009: 111 of 365 days2010: 198 of 365 days2011: 205 of 365 days2012: 188 of 366 days2013: 189 of 365 days2014: 204 of 365 days2015: 191 of 365 days2016: 194 of 366 days2017: 197 of 365 days2018: 175 of 365 days2019: 181 of 365 days2020: 181 of 366 days2021: 186 of 365 days2022: 170 of 365 days2023: 171 of 365 days2024: 133 of 366 days2025: 116 of 365 days1960197019801990200020102020
70 years of record at Bahia Blanca Aero, 1956 to 2025. 23 years have data for under 90 percent of days and are left out of rankings: 1984, 2004, 2005, 2006, 2007, 2008, 2009, 2010 and others.
Days with data per year at Bahia Blanca Aero
YearDays with dataShare of yearComplete
195633090%Yes
1957365100%Yes
195833792%Yes
1959365100%Yes
1960366100%Yes
1961365100%Yes
1962365100%Yes
1963364100%Yes
196436299%Yes
1965365100%Yes
1966364100%Yes
1967365100%Yes
1968366100%Yes
1969365100%Yes
1970364100%Yes
1971364100%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
1979364100%Yes
1980366100%Yes
1981364100%Yes
1982364100%Yes
198333993%Yes
1984134%No
1985365100%Yes
1986365100%Yes
1987364100%Yes
198836499%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
200134795%Yes
200235597%Yes
200335898%Yes
200425269%No
200518551%No
20069626%No
200718952%No
200818149%No
200911130%No
201019854%No
201120556%No
201218851%No
201318952%No
201420456%No
201519152%No
201619453%No
201719754%No
201817548%No
201918150%No
202018149%No
202118651%No
202217047%No
202317147%No
202413336%No
202511632%No

Latest Records

20
Latest records at Bahia Blanca Aero
DateStationRecordValueBeat old record byOld record stoodSignificance
15 August 2025Bahia Blanca Aero, ARdaily low min-4.9 C (23.2 F)0.1 C (0.2 F)15 years11 of 100 (Routine)
1 July 2025Bahia Blanca Aero, ARdaily low min-6.6 C (20.1 F)0.1 C (0.2 F)55 years23 of 100 (Routine)
21 March 2025Bahia Blanca Aero, ARdaily high max34.6 C (94.3 F)0.5 C (0.9 F)30 years17 of 100 (Routine)
8 February 2025Bahia Blanca Aero, ARdaily high max38.4 C (101.1 F)1.4 C (2.5 F)12 years13 of 100 (Routine)
8 January 2025Bahia Blanca Aero, ARdaily high min25.4 C (77.7 F)0.7 C (1.3 F)13 years11 of 100 (Routine)
8 December 2024Bahia Blanca Aero, ARdaily low min2.8 C (37.0 F)1.6 C (2.9 F)29 years17 of 100 (Routine)
23 November 2024Bahia Blanca Aero, ARdaily high min20.4 C (68.7 F)0.2 C (0.4 F)11 years9 of 100 (Routine)
15 November 2024Bahia Blanca Aero, ARdaily high max33.9 C (93.0 F)0.4 C (0.7 F)65 years25 of 100 (Routine)
31 October 2024Bahia Blanca Aero, ARmonthly high min21.3 C (70.3 F)1.3 C (2.3 F)34 years29 of 100 (Routine)
31 October 2024Bahia Blanca Aero, ARdaily high max36.9 C (98.4 F)2.8 C (5.0 F)29 years20 of 100 (Routine)
30 October 2024Bahia Blanca Aero, ARdaily high min18.8 C (65.8 F)0.4 C (0.7 F)8 years8 of 100 (Routine)
20 October 2024Bahia Blanca Aero, ARdaily high min18.3 C (64.9 F)0.5 C (0.9 F)19 years12 of 100 (Routine)
19 September 2024Bahia Blanca Aero, ARdaily high max28.9 C (84.0 F)0.7 C (1.3 F)66 years26 of 100 (Routine)
18 September 2024Bahia Blanca Aero, ARdaily high min13.8 C (56.8 F)0.4 C (0.7 F)40 years18 of 100 (Routine)
2 August 2024Bahia Blanca Aero, ARdaily high min12.0 C (53.6 F)0.2 C (0.4 F)10 years9 of 100 (Routine)
23 July 2024Bahia Blanca Aero, ARdaily high max22.9 C (73.2 F)2.3 C (4.1 F)13 years14 of 100 (Routine)
26 May 2024Bahia Blanca Aero, ARdaily low min-3.8 C (25.2 F)0.8 C (1.4 F)2 years7 of 100 (Routine)
9 April 2024Bahia Blanca Aero, ARdaily high max30.6 C (87.1 F)0.1 C (0.2 F)5 years7 of 100 (Routine)
9 February 2024Bahia Blanca Aero, ARdaily high min (Tie)22.2 C (72.0 F)tie10 years2 of 100 (Routine)
7 February 2024Bahia Blanca Aero, ARdaily high max39.4 C (102.9 F)0.9 C (1.6 F)5 years8 of 100 (Routine)

Climate Trend

45 complete years, 1957 to 2003
Annual mean temperature at Bahia Blanca Aero as warming stripes, 1957 to 2003 One stripe for each of 45 complete years at Bahia Blanca Aero, 1957 to 2003. Blue stripes are years cooler than the station's own mean of 15.5 C (59.9 F); red stripes are warmer. The coolest year was 1976, at 14.3 C (57.7 F), and the warmest was 2003, at 16.4 C (61.6 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1957: 15.1 C, -0.4 C from the station mean1958: 15.7 C, +0.2 C from the station mean1959: 15.2 C, -0.3 C from the station mean1960: 15.6 C, +0.1 C from the station mean1961: 15.6 C, +0.1 C from the station mean1962: 16.2 C, +0.6 C from the station mean1963: 15.4 C, -0.1 C from the station mean1964: 14.5 C, -1.0 C from the station mean1965: 15.4 C, -0.1 C from the station mean1966: 15.2 C, -0.3 C from the station mean1967: 15.7 C, +0.1 C from the station mean1968: 15.9 C, +0.4 C from the station mean1969: 15.4 C, -0.2 C from the station mean1970: 15.5 C, 0.0 C from the station mean1971: 15.4 C, -0.1 C from the station mean1972: 15.3 C, -0.2 C from the station mean1973: 14.9 C, -0.6 C from the station mean1974: 15.3 C, -0.2 C from the station mean1975: 15.7 C, +0.1 C from the station mean1976: 14.3 C, -1.3 C from the station mean1977: 15.4 C, -0.1 C from the station mean1978: 15.1 C, -0.4 C from the station mean1979: 15.4 C, -0.1 C from the station mean1980: 15.7 C, +0.2 C from the station mean1981: 15.7 C, +0.2 C from the station mean1982: 15.5 C, 0.0 C from the station mean1985: 15.3 C, -0.2 C from the station mean1986: 15.3 C, -0.2 C from the station mean1987: 15.7 C, +0.2 C from the station mean1988: 14.9 C, -0.7 C from the station mean1989: 16.0 C, +0.5 C from the station mean1990: 15.6 C, 0.0 C from the station mean1991: 15.5 C, 0.0 C from the station mean1992: 15.2 C, -0.3 C from the station mean1993: 15.6 C, +0.1 C from the station mean1994: 16.4 C, +0.8 C from the station mean1995: 15.6 C, +0.1 C from the station mean1996: 16.2 C, +0.6 C from the station mean1997: 15.8 C, +0.3 C from the station mean1998: 15.9 C, +0.4 C from the station mean1999: 15.6 C, +0.1 C from the station mean2000: 15.5 C, 0.0 C from the station mean2001: 16.2 C, +0.7 C from the station mean2002: 15.6 C, +0.1 C from the station mean2003: 16.4 C, +0.9 C from the station mean1957196019651970197519801985199019952000
One stripe for each of 45 complete years at Bahia Blanca Aero, 1957 to 2003. Blue stripes are years cooler than the station's own mean of 15.5 C (59.9 F); red stripes are warmer. The coolest year was 1976, at 14.3 C (57.7 F), and the warmest was 2003, at 16.4 C (61.6 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Bahia Blanca Aero as warming stripes, 1957 to 2003
YearAnnual mean temperatureDifference from the station mean
195715.1 C-0.44 C
195815.7 C+0.18 C
195915.2 C-0.34 C
196015.6 C+0.07 C
196115.6 C+0.07 C
196216.2 C+0.65 C
196315.4 C-0.12 C
196414.5 C-0.98 C
196515.4 C-0.10 C
196615.2 C-0.33 C
196715.7 C+0.14 C
196815.9 C+0.37 C
196915.4 C-0.16 C
197015.5 C+0.01 C
197115.4 C-0.14 C
197215.3 C-0.20 C
197314.9 C-0.59 C
197415.3 C-0.23 C
197515.7 C+0.14 C
197614.3 C-1.26 C
197715.4 C-0.12 C
197815.1 C-0.39 C
197915.4 C-0.07 C
198015.7 C+0.16 C
198115.7 C+0.22 C
198215.5 C-0.01 C
198515.3 C-0.21 C
198615.3 C-0.24 C
198715.7 C+0.20 C
198814.9 C-0.65 C
198916.0 C+0.51 C
199015.6 C+0.04 C
199115.5 C-0.04 C
199215.2 C-0.29 C
199315.6 C+0.11 C
199416.4 C+0.85 C
199515.6 C+0.12 C
199616.2 C+0.65 C
199715.8 C+0.32 C
199815.9 C+0.42 C
199915.6 C+0.06 C
200015.5 C0.00 C
200116.2 C+0.66 C
200215.6 C+0.08 C
200316.4 C+0.91 C

The annual mean temperature here has risen by 0.12 C (0.03 to 0.21) per decade over 1957 to 2003. In Fahrenheit: 0.2 F (0.1 to 0.4) per decade. The slope is a straight line fitted to 45 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Bahia Blanca Aero
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.12 C (0.03 to 0.21) per decade0.2 F (0.1 to 0.4) per decade1957 to 200345Rise
Mean daily maximum0.13 C (0.02 to 0.23) per decade0.23 F (0.03 to 0.42) per decade1957 to 200345Rise
Mean daily minimum0.12 C (0.02 to 0.21) per decade0.21 F (0.03 to 0.38) per decade1957 to 200345Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1956 to 2025
Yearly extremes at Bahia Blanca Aero: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.8 C (110.8 F)198039.5 C (103.1 F)70
Coldest night (TNn)-11.8 C (10.8 F)1988-5.6 C (21.9 F)70
Wettest day (Rx1day)258.1 mm (10.2 in)197465.0 mm (2.6 in)57
Wettest five days (Rx5day)264.2 mm (10.4 in)197486.4 mm (3.4 in)53
Longest dry spell (CDD)29 days19985 days57

Hottest day (TXx)

Hottest day (TXx) at Bahia Blanca Aero by year The hottest day of the year at Bahia Blanca Aero, 1956 to 2025. The record is 43.8 C (110.8 F) in 1980, marked on the chart; the median year is 39.5 C (103.1 F). 3537.54042.5451960198020002020Record: 43.8 C (110.8 F) in 1980
The hottest day of the year at Bahia Blanca Aero, 1956 to 2025. The record is 43.8 C (110.8 F) in 1980, marked on the chart; the median year is 39.5 C (103.1 F).
Hottest day (TXx) at Bahia Blanca Aero by year
YearHottest day (TXx)
195639.5 C (103.1 F)
195742.5 C (108.5 F)
195840.1 C (104.2 F)
195940.6 C (105.1 F)
196041.5 C (106.7 F)
196141.0 C (105.8 F)
196239.6 C (103.3 F)
196339.8 C (103.6 F)
196438.0 C (100.4 F)
196539.5 C (103.1 F)
196636.5 C (97.7 F)
196740.5 C (104.9 F)
196838.8 C (101.8 F)
196940.4 C (104.7 F)
197041.9 C (107.4 F)
197142.2 C (108.0 F)
197241.6 C (106.9 F)
197340.5 C (104.9 F)
197438.5 C (101.3 F)
197540.4 C (104.7 F)
197637.9 C (100.2 F)
197738.3 C (100.9 F)
197838.8 C (101.8 F)
197936.1 C (97.0 F)
198043.8 C (110.8 F)
198137.4 C (99.3 F)
198239.4 C (102.9 F)
198339.5 C (103.1 F)
198439.0 C (102.2 F)
198536.6 C (97.9 F)
198639.6 C (103.3 F)
198740.2 C (104.4 F)
198839.8 C (103.6 F)
198941.2 C (106.2 F)
199042.0 C (107.6 F)
199138.8 C (101.8 F)
199236.2 C (97.2 F)
199338.8 C (101.8 F)
199439.1 C (102.4 F)
199538.0 C (100.4 F)
199638.0 C (100.4 F)
199740.1 C (104.2 F)
199837.9 C (100.2 F)
199940.1 C (104.2 F)
200039.1 C (102.4 F)
200141.5 C (106.7 F)
200236.3 C (97.3 F)
200339.7 C (103.5 F)
200438.0 C (100.4 F)
200535.5 C (95.9 F)
200641.4 C (106.5 F)
200740.0 C (104.0 F)
200838.0 C (100.4 F)
200940.3 C (104.5 F)
201039.5 C (103.1 F)
201139.0 C (102.2 F)
201241.4 C (106.5 F)
201340.8 C (105.4 F)
201440.4 C (104.7 F)
201538.6 C (101.5 F)
201639.2 C (102.6 F)
201740.3 C (104.5 F)
201840.2 C (104.4 F)
201938.6 C (101.5 F)
202038.8 C (101.8 F)
202139.3 C (102.7 F)
202243.6 C (110.5 F)
202340.4 C (104.7 F)
202439.4 C (102.9 F)
202539.3 C (102.7 F)

Coldest night (TNn)

Coldest night (TNn) at Bahia Blanca Aero by year The coldest night of the year at Bahia Blanca Aero, 1956 to 2025. The record is -11.8 C (10.8 F) in 1988, marked on the chart; the median year is -5.6 C (21.9 F). -12.5-10-7.5-5-2.51960198020002020Record: -11.8 C (10.8 F) in 1988
The coldest night of the year at Bahia Blanca Aero, 1956 to 2025. The record is -11.8 C (10.8 F) in 1988, marked on the chart; the median year is -5.6 C (21.9 F).
Coldest night (TNn) at Bahia Blanca Aero by year
YearColdest night (TNn)
1956-4.8 C (23.4 F)
1957-6.8 C (19.8 F)
1958-3.7 C (25.3 F)
1959-5.5 C (22.1 F)
1960-5.8 C (21.6 F)
1961-7.3 C (18.9 F)
1962-6.5 C (20.3 F)
1963-4.4 C (24.1 F)
1964-5.8 C (21.6 F)
1965-5.8 C (21.6 F)
1966-5.3 C (22.5 F)
1967-8.5 C (16.7 F)
1968-4.0 C (24.8 F)
1969-5.3 C (22.5 F)
1970-7.7 C (18.1 F)
1971-7.5 C (18.5 F)
1972-5.6 C (21.9 F)
1973-5.0 C (23.0 F)
1974-6.7 C (19.9 F)
1975-6.5 C (20.3 F)
1976-7.7 C (18.1 F)
1977-9.2 C (15.4 F)
1978-7.6 C (18.3 F)
1979-5.1 C (22.8 F)
1980-7.1 C (19.2 F)
1981-6.5 C (20.3 F)
1982-4.6 C (23.7 F)
1983-6.5 C (20.3 F)
1984-5.7 C (21.7 F)
1985-7.3 C (18.9 F)
1986-5.4 C (22.3 F)
1987-5.4 C (22.3 F)
1988-11.8 C (10.8 F)
1989-5.6 C (21.9 F)
1990-7.6 C (18.3 F)
1991-5.3 C (22.5 F)
1992-5.4 C (22.3 F)
1993-6.1 C (21.0 F)
1994-4.6 C (23.7 F)
1995-8.2 C (17.2 F)
1996-4.4 C (24.1 F)
1997-4.0 C (24.8 F)
1998-4.5 C (23.9 F)
1999-4.2 C (24.4 F)
2000-4.5 C (23.9 F)
2001-3.8 C (25.2 F)
2002-9.8 C (14.4 F)
2003-4.4 C (24.1 F)
2004-4.6 C (23.7 F)
2005-9.0 C (15.8 F)
2006-4.9 C (23.2 F)
2007-10.0 C (14.0 F)
2008-5.8 C (21.6 F)
2009-4.5 C (23.9 F)
2010-7.6 C (18.3 F)
2011-3.2 C (26.2 F)
2012-7.6 C (18.3 F)
2013-7.9 C (17.8 F)
2014-5.0 C (23.0 F)
2015-8.0 C (17.6 F)
2016-5.4 C (22.3 F)
2017-3.4 C (25.9 F)
2018-5.6 C (21.9 F)
2019-7.5 C (18.5 F)
2020-4.3 C (24.3 F)
2021-4.3 C (24.3 F)
2022-4.5 C (23.9 F)
2023-6.3 C (20.7 F)
2024-5.4 C (22.3 F)
2025-6.6 C (20.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Bahia Blanca Aero by year The wettest day of the year at Bahia Blanca Aero, 1956 to 2025. The record is 258.1 mm (10.2 in) in 1974, marked on the chart; the median year is 65.0 mm (2.6 in). 01002003001960198020002020Record: 258.1 mm (10.2 in) in 1974
The wettest day of the year at Bahia Blanca Aero, 1956 to 2025. The record is 258.1 mm (10.2 in) in 1974, marked on the chart; the median year is 65.0 mm (2.6 in).
Wettest day (Rx1day) at Bahia Blanca Aero by year
YearWettest day (Rx1day)
1956n/a
1957n/a
1958n/a
1959n/a
196061.0 mm (2.4 in)
1961n/a
1962n/a
1963n/a
1964n/a
19650.5 mm (0.02 in)
1966n/a
196745.0 mm (1.8 in)
196849.0 mm (1.9 in)
1969n/a
1970n/a
1971n/a
1972n/a
197338.1 mm (1.5 in)
1974258.1 mm (10.2 in)
197525.9 mm (1.0 in)
197654.1 mm (2.1 in)
1977247.9 mm (9.8 in)
1978179.1 mm (7.1 in)
1979181.1 mm (7.1 in)
1980104.9 mm (4.1 in)
198170.1 mm (2.8 in)
1982132.1 mm (5.2 in)
198358.9 mm (2.3 in)
198499.1 mm (3.9 in)
19850.0 mm (0.00 in)
19862.0 mm (0.08 in)
198724.9 mm (1.0 in)
198871.9 mm (2.8 in)
198968.1 mm (2.7 in)
199089.9 mm (3.5 in)
199199.1 mm (3.9 in)
199267.1 mm (2.6 in)
199365.0 mm (2.6 in)
199474.9 mm (2.9 in)
199559.9 mm (2.4 in)
1996142.0 mm (5.6 in)
199790.9 mm (3.6 in)
1998142.0 mm (5.6 in)
199920.6 mm (0.8 in)
200034.0 mm (1.3 in)
200145.2 mm (1.8 in)
200296.0 mm (3.8 in)
200355.9 mm (2.2 in)
200463.0 mm (2.5 in)
2005127.0 mm (5.0 in)
200649.0 mm (1.9 in)
2007122.9 mm (4.8 in)
2008142.7 mm (5.6 in)
200967.1 mm (2.6 in)
201047.0 mm (1.9 in)
201146.0 mm (1.8 in)
201245.0 mm (1.8 in)
201339.1 mm (1.5 in)
201456.9 mm (2.2 in)
201555.9 mm (2.2 in)
201647.0 mm (1.9 in)
201785.1 mm (3.4 in)
201873.9 mm (2.9 in)
2019104.1 mm (4.1 in)
202059.9 mm (2.4 in)
202161.0 mm (2.4 in)
202289.9 mm (3.5 in)
202359.9 mm (2.4 in)
2024135.9 mm (5.4 in)
2025210.1 mm (8.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Bahia Blanca Aero by year The wettest five days of the year at Bahia Blanca Aero, 1956 to 2025. The record is 264.2 mm (10.4 in) in 1974, marked on the chart; the median year is 86.4 mm (3.4 in). 01002003001960198020002020Record: 264.2 mm (10.4 in) in 1974
The wettest five days of the year at Bahia Blanca Aero, 1956 to 2025. The record is 264.2 mm (10.4 in) in 1974, marked on the chart; the median year is 86.4 mm (3.4 in).
Wettest five days (Rx5day) at Bahia Blanca Aero by year
YearWettest five days (Rx5day)
1956n/a
1957n/a
1958n/a
1959n/a
196096.9 mm (3.8 in)
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
196838.1 mm (1.5 in)
1969n/a
1970n/a
1971n/a
1972n/a
197341.1 mm (1.6 in)
1974264.2 mm (10.4 in)
197534.3 mm (1.4 in)
197684.1 mm (3.3 in)
1977256.0 mm (10.1 in)
1978261.4 mm (10.3 in)
1979213.1 mm (8.4 in)
1980113.0 mm (4.4 in)
1981112.5 mm (4.4 in)
1982134.1 mm (5.3 in)
198344.0 mm (1.7 in)
198467.6 mm (2.7 in)
19850.0 mm (0.00 in)
1986n/a
198743.2 mm (1.7 in)
1988130.1 mm (5.1 in)
198972.7 mm (2.9 in)
199089.9 mm (3.5 in)
199186.8 mm (3.4 in)
199293.9 mm (3.7 in)
199382.0 mm (3.2 in)
199498.1 mm (3.9 in)
199560.9 mm (2.4 in)
1996142.5 mm (5.6 in)
199799.8 mm (3.9 in)
1998165.6 mm (6.5 in)
199927.5 mm (1.1 in)
200011.4 mm (0.4 in)
200149.8 mm (2.0 in)
2002118.2 mm (4.7 in)
200386.7 mm (3.4 in)
2004102.9 mm (4.1 in)
2005127.0 mm (5.0 in)
200641.9 mm (1.6 in)
2007135.9 mm (5.4 in)
2008169.9 mm (6.7 in)
200970.6 mm (2.8 in)
201086.4 mm (3.4 in)
2011118.9 mm (4.7 in)
201217.5 mm (0.7 in)
201364.0 mm (2.5 in)
201494.3 mm (3.7 in)
201548.0 mm (1.9 in)
201650.0 mm (2.0 in)
201781.1 mm (3.2 in)
201847.8 mm (1.9 in)
2019135.1 mm (5.3 in)
202057.9 mm (2.3 in)
202165.0 mm (2.6 in)
2022154.0 mm (6.1 in)
202325.9 mm (1.0 in)
202427.9 mm (1.1 in)
2025n/a

Longest dry spell (CDD)

Longest dry spell (CDD) at Bahia Blanca Aero by year The longest dry spell of the year at Bahia Blanca Aero, 1956 to 2025. The record is 29 days in 1998, marked on the chart; the median year is 5 days. 01020301960198020002020Record: 29 days in 1998
The longest dry spell of the year at Bahia Blanca Aero, 1956 to 2025. The record is 29 days in 1998, marked on the chart; the median year is 5 days.
Longest dry spell (CDD) at Bahia Blanca Aero by year
YearLongest dry spell (CDD)
1956n/a
1957n/a
1958n/a
1959n/a
19605 days
1961n/a
1962n/a
1963n/a
1964n/a
19651 day
1966n/a
19671 day
19684 days
1969n/a
1970n/a
1971n/a
1972n/a
197311 days
197416 days
19754 days
19766 days
197722 days
197812 days
197915 days
198020 days
198117 days
19825 days
19833 days
19845 days
19858 days
19863 days
19875 days
19887 days
19897 days
19908 days
19917 days
19928 days
199310 days
199413 days
199510 days
199611 days
199719 days
199829 days
19995 days
20006 days
20013 days
200212 days
200319 days
200419 days
200513 days
20065 days
20073 days
20083 days
20093 days
20104 days
20113 days
20122 days
20133 days
20143 days
20154 days
20165 days
20173 days
20185 days
20193 days
20203 days
20214 days
20224 days
20233 days
20242 days
20251 day

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

45 years with a frost

Across 45 years with a frost, the median last spring frost at Bahia Blanca Aero falls on 6 October and the median first autumn frost on 4 May, which leaves a median of 214 days between them.

Fitted over all years, the growing season changes by +8.3 days per decade at this station.

Frost dates and growing season at Bahia Blanca Aero
MeasureMedian, all yearsEarliest periodRecent period (1972 to 2003)Recent against earliestFitted trend
Last spring frost6 Octobern/a5 Octobern/a-4.6 days per decade
First autumn frost4 Mayn/a8 Mayn/a+3.7 days per decade
Growing days214 daysn/a217 daysn/a+8.3 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Bahia Blanca Aero standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Bahia Blanca Aero threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-17).