Built 2026-10-19 (19 October 2026)

La Rioja Aero. Weather Records (AR000087217)

Record envelope, standing records and threshold days for La Rioja Aero. (AR000087217), Argentina, with 70 years of record.

Key Facts for La Rioja Aero.

  • La Rioja Aero. (AR000087217) is a weather station in Argentina at -29.38 latitude and -66.82 longitude, 438 m (1,437 ft) above sea level.
  • The station reports from 1956 to 2025, 70 years of record.
  • 1,464 records set at La Rioja Aero. still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • La Rioja Aero. set a daily record low minimum temperature of -3.2 C (26.2 F) on 3 July 2025.

About the Station

  • Location: Argentina, -29.38 latitude, -66.82 longitude.
  • Elevation: 438 m (1,437 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 La Rioja Aero., with 2026 drawn through them The band shows the record high and record low for each calendar day at La Rioja 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 La Rioja 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 La Rioja Aero., with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan45.5 C (113.9 F)8.4 C (47.1 F)n/an/a
Feb45.0 C (113.0 F)6.1 C (43.0 F)n/an/a
Mar42.0 C (107.6 F)5.2 C (41.4 F)n/an/a
Apr40.0 C (104.0 F)1.0 C (33.8 F)n/an/a
May37.3 C (99.1 F)-3.0 C (26.6 F)n/an/a
Jun29.9 C (85.8 F)-5.6 C (21.9 F)n/an/a
Jul37.3 C (99.1 F)-6.5 C (20.3 F)n/an/a
Aug41.4 C (106.5 F)-7.5 C (18.5 F)n/an/a
Sep42.6 C (108.7 F)-2.5 C (27.5 F)n/an/a
Oct45.2 C (113.4 F)3.5 C (38.3 F)n/an/a
Nov44.6 C (112.3 F)3.4 C (38.1 F)n/an/a
Dec46.4 C (115.5 F)7.7 C (45.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at La Rioja Aero. by the year they were set 1,464 records at La Rioja Aero. still stand. 1967 holds the most, with 43. 02040601956: 281957: 231958: 361959: 241960: 171961: 81962: 241963: 351964: 261965: 371966: 211967: 431968: 211969: 331970: 261971: 351972: 181973: 201974: 221975: 231976: 301977: 231978: 151979: 311980: 171981: 161982: 151983: 181984: 191985: 131986: 301987: 241988: 161989: 171990: 141991: 181992: 151993: 171994: 221995: 221996: 161997: 271998: 221999: 192000: 232001: 202002: 272003: 282004: 162005: 132006: 182007: 162008: 62009: 182010: 122011: 142012: 152013: 152014: 182015: 172016: 142017: 132018: 122019: 162020: 102021: 192022: 332023: 292024: 252025: 211956196319701977198419911998200520122019
1,464 records at La Rioja Aero. still stand. 1967 holds the most, with 43.
Standing records at La Rioja Aero. by the year they were set
Year setStanding records
195628
195723
195836
195924
196017
19618
196224
196335
196426
196537
196621
196743
196821
196933
197026
197135
197218
197320
197422
197523
197630
197723
197815
197931
198017
198116
198215
198318
198419
198513
198630
198724
198816
198917
199014
199118
199215
199317
199422
199522
199616
199727
199822
199919
200023
200120
200227
200328
200416
200513
200618
200716
20086
200918
201012
201114
201215
201315
201418
201517
201614
201713
201812
201916
202010
202119
202233
202329
202425
202521

All-Time Record Progression

3 new records
When La Rioja Aero. set new all-time records 3 all-time records were set at La Rioja Aero. between 23 January 2014 and 21 August 2018. Each dot is a new record. Record high minimum temperatureRecord low minimum temperature23 January 2014: Record high minimum temperature 30.5 C (86.9 F)1 January 2017: Record high minimum temperature 30.6 C (87.1 F)21 August 2018: Record low minimum temperature -7.5 C (18.5 F)2015
3 all-time records were set at La Rioja Aero. between 23 January 2014 and 21 August 2018. Each dot is a new record.
When La Rioja Aero. set new all-time records
DateKindDetail
2014-01-23Record high minimum temperatureRecord high minimum temperature 30.5 C (86.9 F)
2017-01-01Record high minimum temperatureRecord high minimum temperature 30.6 C (87.1 F)
2018-08-21Record low minimum temperatureRecord low minimum temperature -7.5 C (18.5 F)

Wettest Day of Each Month

Feb: 380.0 mm (15.0 in)
Record daily precipitation for each month at La Rioja Aero. The wettest day on record for each calendar month at La Rioja Aero.. The most was 380.0 mm (15.0 in) on 28 February 1977. 0100200300400 Jan: 181.1 mm (7.1 in), 11 January 1993 Jan Feb: 380.0 mm (15.0 in), 28 February 1977 Feb Mar: 114.0 mm (4.5 in), 2 March 2003 Mar Apr: 150.1 mm (5.9 in), 24 April 1990 Apr May: 90.7 mm (3.6 in), 6 May 2008 May Jun: 22.1 mm (0.9 in), 26 June 2016 Jun Jul: 89.9 mm (3.5 in), 10 July 1993 Jul Aug: 127.0 mm (5.0 in), 28 August 1995 Aug Sep: 99.1 mm (3.9 in), 17 September 2009 Sep Oct: 99.1 mm (3.9 in), 30 October 2005 Oct Nov: 140.0 mm (5.5 in), 30 November 1982 Nov Dec: 169.9 mm (6.7 in), 2 December 1982 Dec
The wettest day on record for each calendar month at La Rioja Aero.. The most was 380.0 mm (15.0 in) on 28 February 1977.
Record daily precipitation for each month at La Rioja Aero.
MonthRecord daily precipitation (mm)Date
Jan181.1 mm (7.1 in)11 January 1993
Feb380.0 mm (15.0 in)28 February 1977
Mar114.0 mm (4.5 in)2 March 2003
Apr150.1 mm (5.9 in)24 April 1990
May90.7 mm (3.6 in)6 May 2008
Jun22.1 mm (0.9 in)26 June 2016
Jul89.9 mm (3.5 in)10 July 1993
Aug127.0 mm (5.0 in)28 August 1995
Sep99.1 mm (3.9 in)17 September 2009
Oct99.1 mm (3.9 in)30 October 2005
Nov140.0 mm (5.5 in)30 November 1982
Dec169.9 mm (6.7 in)2 December 1982

Period of Record Coverage

1956 to 2025
Days with data per year at La Rioja Aero. 69 years of record at La Rioja Aero., 1956 to 2025. 29 years have data for under 90 percent of days and are left out of rankings: 1956, 1959, 1961, 1965, 1982, 2001, 2002, 2004 and others. 1956: 300 of 366 days1957: 364 of 365 days1958: 365 of 365 days1959: 83 of 365 days1961: 167 of 365 days1962: 365 of 365 days1963: 365 of 365 days1964: 366 of 366 days1965: 294 of 365 days1966: 331 of 365 days1967: 364 of 365 days1968: 349 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 364 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 363 of 365 days1980: 365 of 366 days1981: 364 of 365 days1982: 299 of 365 days1983: 361 of 365 days1984: 366 of 366 days1985: 364 of 365 days1986: 363 of 365 days1987: 365 of 365 days1988: 365 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: 357 of 365 days1996: 366 of 366 days1997: 363 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 260 of 365 days2002: 309 of 365 days2003: 363 of 365 days2004: 253 of 366 days2005: 169 of 365 days2006: 184 of 365 days2007: 184 of 365 days2008: 173 of 366 days2009: 166 of 365 days2010: 161 of 365 days2011: 178 of 365 days2012: 164 of 366 days2013: 160 of 365 days2014: 168 of 365 days2015: 182 of 365 days2016: 190 of 366 days2017: 179 of 365 days2018: 176 of 365 days2019: 171 of 365 days2020: 171 of 366 days2021: 189 of 365 days2022: 194 of 365 days2023: 181 of 365 days2024: 187 of 366 days2025: 128 of 365 days197019801990200020102020
69 years of record at La Rioja Aero., 1956 to 2025. 29 years have data for under 90 percent of days and are left out of rankings: 1956, 1959, 1961, 1965, 1982, 2001, 2002, 2004 and others.
Days with data per year at La Rioja Aero.
YearDays with dataShare of yearComplete
195630082%No
1957364100%Yes
1958365100%Yes
19598323%No
196116746%No
1962365100%Yes
1963365100%Yes
1964366100%Yes
196529481%No
196633191%Yes
1967364100%Yes
196834995%Yes
1969365100%Yes
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974364100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
197936399%Yes
1980365100%Yes
1981364100%Yes
198229982%No
198336199%Yes
1984366100%Yes
1985364100%Yes
198636399%Yes
1987365100%Yes
1988365100%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
199535798%Yes
1996366100%Yes
199736399%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
200126071%No
200230985%No
200336399%Yes
200425369%No
200516946%No
200618450%No
200718450%No
200817347%No
200916645%No
201016144%No
201117849%No
201216445%No
201316044%No
201416846%No
201518250%No
201619052%No
201717949%No
201817648%No
201917147%No
202017147%No
202118952%No
202219453%No
202318150%No
202418751%No
202512835%No

Latest Records

20
Latest records at La Rioja Aero.
DateStationRecordValueBeat old record byOld record stoodSignificance
3 July 2025La Rioja Aero., ARdaily low min-3.2 C (26.2 F)0.2 C (0.4 F)14 years11 of 100 (Routine)
2 July 2025La Rioja Aero., ARdaily low min-4.0 C (24.8 F)0.5 C (0.9 F)55 years24 of 100 (Routine)
24 June 2025La Rioja Aero., ARdaily low min-5.0 C (23.0 F)2.9 C (5.2 F)3 years14 of 100 (Routine)
6 April 2025La Rioja Aero., ARdaily low max20.8 C (69.4 F)0.5 C (0.9 F)26 years15 of 100 (Routine)
24 March 2025La Rioja Aero., ARdaily low min10.0 C (50.0 F)0.5 C (0.9 F)68 years28 of 100 (Routine)
7 March 2025La Rioja Aero., ARmonthly high min28.8 C (83.8 F)0.5 C (0.9 F)0 years18 of 100 (Routine)
6 March 2025La Rioja Aero., ARdaily high min27.8 C (82.0 F)2.2 C (4.0 F)2 years13 of 100 (Routine)
25 February 2025La Rioja Aero., ARdaily high max43.0 C (109.4 F)0.6 C (1.1 F)55 years24 of 100 (Routine)
24 February 2025La Rioja Aero., ARdaily high max42.5 C (108.5 F)2.0 C (3.6 F)55 years27 of 100 (Routine)
24 February 2025La Rioja Aero., ARdaily high min29.0 C (84.2 F)3.1 C (5.6 F)24 years24 of 100 (Routine)
15 February 2025La Rioja Aero., ARdaily high max39.8 C (103.6 F)0.3 C (0.5 F)56 years23 of 100 (Routine)
12 February 2025La Rioja Aero., ARdaily high max41.5 C (106.7 F)0.1 C (0.2 F)55 years23 of 100 (Routine)
11 February 2025La Rioja Aero., ARdaily high min28.5 C (83.3 F)1.3 C (2.3 F)50 years26 of 100 (Routine)
11 February 2025La Rioja Aero., ARmonthly high max45.0 C (113.0 F)0.8 C (1.4 F)0 years18 of 100 (Routine)
10 February 2025La Rioja Aero., ARdaily high min26.0 C (78.8 F)1.0 C (1.8 F)67 years30 of 100 (Routine)
10 February 2025La Rioja Aero., ARmonthly high max44.2 C (111.6 F)0.4 C (0.7 F)1 year17 of 100 (Routine)
9 February 2025La Rioja Aero., ARdaily high min28.0 C (82.4 F)0.7 C (1.3 F)24 years16 of 100 (Routine)
8 February 2025La Rioja Aero., ARdaily high min28.6 C (83.5 F)1.3 C (2.3 F)53 years26 of 100 (Routine)
5 February 2025La Rioja Aero., ARdaily high min26.7 C (80.1 F)1.2 C (2.2 F)10 years13 of 100 (Routine)
4 February 2025La Rioja Aero., ARdaily high min28.6 C (83.5 F)0.6 C (1.1 F)5 years9 of 100 (Routine)

Climate Trend

37 complete years, 1958 to 2003
Annual mean temperature at La Rioja Aero. as warming stripes, 1958 to 2003 One stripe for each of 37 complete years at La Rioja Aero., 1958 to 2003. Blue stripes are years cooler than the station's own mean of 20.8 C (69.5 F); red stripes are warmer. The coolest year was 1979, at 19.3 C (66.7 F), and the warmest was 1969, at 21.9 C (71.3 F). The strongest colour marks a difference of 1.6 C (2.9 F). 1958: 20.5 C, -0.3 C from the station mean1962: 20.6 C, -0.2 C from the station mean1963: 20.4 C, -0.4 C from the station mean1964: 20.3 C, -0.5 C from the station mean1967: 21.4 C, +0.6 C from the station mean1969: 21.9 C, +1.0 C from the station mean1970: 21.6 C, +0.8 C from the station mean1971: 21.3 C, +0.5 C from the station mean1972: 21.4 C, +0.6 C from the station mean1973: 20.8 C, 0.0 C from the station mean1974: 20.3 C, -0.5 C from the station mean1975: 20.6 C, -0.3 C from the station mean1976: 20.1 C, -0.7 C from the station mean1977: 21.1 C, +0.3 C from the station mean1978: 20.7 C, -0.1 C from the station mean1979: 19.3 C, -1.5 C from the station mean1980: 20.0 C, -0.8 C from the station mean1981: 20.4 C, -0.5 C from the station mean1983: 20.5 C, -0.4 C from the station mean1984: 19.9 C, -0.9 C from the station mean1985: 20.8 C, 0.0 C from the station mean1986: 21.3 C, +0.4 C from the station mean1987: 21.0 C, +0.2 C from the station mean1988: 20.8 C, 0.0 C from the station mean1989: 21.6 C, +0.8 C from the station mean1990: 20.9 C, +0.1 C from the station mean1991: 21.0 C, +0.2 C from the station mean1992: 20.1 C, -0.8 C from the station mean1993: 20.6 C, -0.2 C from the station mean1994: 21.6 C, +0.8 C from the station mean1995: 21.4 C, +0.6 C from the station mean1996: 21.1 C, +0.3 C from the station mean1997: 21.8 C, +1.0 C from the station mean1998: 20.9 C, 0.0 C from the station mean1999: 20.6 C, -0.3 C from the station mean2000: 20.1 C, -0.7 C from the station mean2003: 21.7 C, +0.9 C from the station mean195819651970197519801985199019952000
One stripe for each of 37 complete years at La Rioja Aero., 1958 to 2003. Blue stripes are years cooler than the station's own mean of 20.8 C (69.5 F); red stripes are warmer. The coolest year was 1979, at 19.3 C (66.7 F), and the warmest was 1969, at 21.9 C (71.3 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at La Rioja Aero. as warming stripes, 1958 to 2003
YearAnnual mean temperatureDifference from the station mean
195820.5 C-0.30 C
196220.6 C-0.23 C
196320.4 C-0.39 C
196420.3 C-0.52 C
196721.4 C+0.57 C
196921.9 C+1.04 C
197021.6 C+0.78 C
197121.3 C+0.46 C
197221.4 C+0.55 C
197320.8 C-0.04 C
197420.3 C-0.50 C
197520.6 C-0.26 C
197620.1 C-0.74 C
197721.1 C+0.29 C
197820.7 C-0.12 C
197919.3 C-1.54 C
198020.0 C-0.77 C
198120.4 C-0.46 C
198320.5 C-0.36 C
198419.9 C-0.95 C
198520.8 C+0.01 C
198621.3 C+0.44 C
198721.0 C+0.19 C
198820.8 C-0.01 C
198921.6 C+0.82 C
199020.9 C+0.10 C
199121.0 C+0.16 C
199220.1 C-0.76 C
199320.6 C-0.25 C
199421.6 C+0.83 C
199521.4 C+0.62 C
199621.1 C+0.30 C
199721.8 C+0.97 C
199820.9 C+0.04 C
199920.6 C-0.26 C
200020.1 C-0.70 C
200321.7 C+0.86 C

The fitted trend in annual mean temperature here over 1958 to 2003 is 0.1 C (-0.1 to 0.2) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.1 F (-0.2 to 0.4) per decade. The slope is a straight line fitted to 37 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at La Rioja Aero.
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.1 C (-0.1 to 0.2) per decade0.1 F (-0.2 to 0.4) per decade1958 to 200337Not clearly different from zero
Mean daily maximum-0.1 C (-0.3 to 0.1) per decade-0.1 F (-0.5 to 0.3) per decade1958 to 200337Not clearly different from zero
Mean daily minimum0.2 C (0.1 to 0.4) per decade0.4 F (0.1 to 0.7) per decade1958 to 200337Rise

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 La Rioja Aero.: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)46.4 C (115.5 F)197143.0 C (109.4 F)69
Coldest night (TNn)-7.5 C (18.5 F)2018-2.9 C (26.7 F)70
Wettest day (Rx1day)380.0 mm (15.0 in)197767.1 mm (2.6 in)55
Wettest five days (Rx5day)410.0 mm (16.1 in)197758.9 mm (2.3 in)49
Longest dry spell (CDD)26 days19817 days55

Hottest day (TXx)

Hottest day (TXx) at La Rioja Aero. by year The hottest day of the year at La Rioja Aero., 1956 to 2025. The record is 46.4 C (115.5 F) in 1971, marked on the chart; the median year is 43.0 C (109.4 F). 3840424446481960198020002020Record: 46.4 C (115.5 F) in 1971
The hottest day of the year at La Rioja Aero., 1956 to 2025. The record is 46.4 C (115.5 F) in 1971, marked on the chart; the median year is 43.0 C (109.4 F).
Hottest day (TXx) at La Rioja Aero. by year
YearHottest day (TXx)
195642.2 C (108.0 F)
195743.0 C (109.4 F)
195841.5 C (106.7 F)
195940.3 C (104.5 F)
1960n/a
196140.5 C (104.9 F)
196242.1 C (107.8 F)
196345.5 C (113.9 F)
196443.0 C (109.4 F)
196543.3 C (109.9 F)
196644.2 C (111.6 F)
196743.0 C (109.4 F)
196845.3 C (113.5 F)
196943.7 C (110.7 F)
197043.9 C (111.0 F)
197146.4 C (115.5 F)
197245.1 C (113.2 F)
197344.0 C (111.2 F)
197442.2 C (108.0 F)
197543.0 C (109.4 F)
197644.5 C (112.1 F)
197743.5 C (110.3 F)
197841.2 C (106.2 F)
197940.2 C (104.4 F)
198042.6 C (108.7 F)
198141.8 C (107.2 F)
198242.4 C (108.3 F)
198342.0 C (107.6 F)
198439.8 C (103.6 F)
198541.4 C (106.5 F)
198644.4 C (111.9 F)
198742.4 C (108.3 F)
198844.4 C (111.9 F)
198942.5 C (108.5 F)
199042.2 C (108.0 F)
199142.4 C (108.3 F)
199241.6 C (106.9 F)
199343.7 C (110.7 F)
199444.5 C (112.1 F)
199546.0 C (114.8 F)
199642.4 C (108.3 F)
199741.0 C (105.8 F)
199844.0 C (111.2 F)
199940.5 C (104.9 F)
200045.7 C (114.3 F)
200142.6 C (108.7 F)
200242.5 C (108.5 F)
200344.6 C (112.3 F)
200442.6 C (108.7 F)
200543.4 C (110.1 F)
200644.4 C (111.9 F)
200742.4 C (108.3 F)
200842.5 C (108.5 F)
200945.2 C (113.4 F)
201042.5 C (108.5 F)
201146.0 C (114.8 F)
201244.5 C (112.1 F)
201343.3 C (109.9 F)
201443.8 C (110.8 F)
201542.8 C (109.0 F)
201644.2 C (111.6 F)
201745.5 C (113.9 F)
201842.4 C (108.3 F)
201944.1 C (111.4 F)
202043.1 C (109.6 F)
202141.6 C (106.9 F)
202244.7 C (112.5 F)
202344.2 C (111.6 F)
202443.8 C (110.8 F)
202545.0 C (113.0 F)

Coldest night (TNn)

Coldest night (TNn) at La Rioja Aero. by year The coldest night of the year at La Rioja Aero., 1956 to 2025. The record is -7.5 C (18.5 F) in 2018, marked on the chart; the median year is -2.9 C (26.7 F). -10-5051960198020002020Record: -7.5 C (18.5 F) in 2018
The coldest night of the year at La Rioja Aero., 1956 to 2025. The record is -7.5 C (18.5 F) in 2018, marked on the chart; the median year is -2.9 C (26.7 F).
Coldest night (TNn) at La Rioja Aero. by year
YearColdest night (TNn)
1956-2.6 C (27.3 F)
1957-2.4 C (27.7 F)
1958-5.0 C (23.0 F)
1959-0.5 C (31.1 F)
1960-6.5 C (20.3 F)
1961-4.9 C (23.2 F)
1962-5.1 C (22.8 F)
1963-4.1 C (24.6 F)
1964-3.3 C (26.1 F)
1965-3.4 C (25.9 F)
1966-7.2 C (19.0 F)
1967-5.6 C (21.9 F)
1968-2.3 C (27.9 F)
1969-5.1 C (22.8 F)
1970-3.5 C (25.7 F)
1971-2.7 C (27.1 F)
1972-2.7 C (27.1 F)
1973-1.9 C (28.6 F)
1974-3.5 C (25.7 F)
1975-5.4 C (22.3 F)
1976-2.0 C (28.4 F)
1977-0.8 C (30.6 F)
1978-4.1 C (24.6 F)
1979-4.9 C (23.2 F)
1980-2.4 C (27.7 F)
1981-2.9 C (26.8 F)
1982-3.3 C (26.1 F)
1983-2.2 C (28.0 F)
1984-3.3 C (26.1 F)
1985-1.7 C (28.9 F)
1986-0.9 C (30.4 F)
1987-3.3 C (26.1 F)
1988-3.1 C (26.4 F)
1989-2.6 C (27.3 F)
1990-2.7 C (27.1 F)
1991-2.9 C (26.8 F)
1992-2.0 C (28.4 F)
1993-3.0 C (26.6 F)
1994-4.8 C (23.4 F)
1995-0.8 C (30.6 F)
1996-2.3 C (27.9 F)
1997-1.0 C (30.2 F)
19982.6 C (36.7 F)
1999-2.3 C (27.9 F)
2000-6.5 C (20.3 F)
2001-3.3 C (26.1 F)
2002-1.5 C (29.3 F)
2003-2.5 C (27.5 F)
2004-3.6 C (25.5 F)
2005-1.0 C (30.2 F)
2006-1.0 C (30.2 F)
2007-4.0 C (24.8 F)
2008-3.0 C (26.6 F)
2009-4.3 C (24.3 F)
2010-2.5 C (27.5 F)
2011-4.1 C (24.6 F)
2012-2.5 C (27.5 F)
2013-4.8 C (23.4 F)
2014-2.0 C (28.4 F)
2015-1.0 C (30.2 F)
2016-1.0 C (30.2 F)
2017-5.2 C (22.6 F)
2018-7.5 C (18.5 F)
2019-1.7 C (28.9 F)
2020-3.1 C (26.4 F)
2021-4.3 C (24.3 F)
2022-2.1 C (28.2 F)
2023-1.1 C (30.0 F)
2024-5.1 C (22.8 F)
2025-5.0 C (23.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at La Rioja Aero. by year The wettest day of the year at La Rioja Aero., 1956 to 2025. The record is 380.0 mm (15.0 in) in 1977, marked on the chart; the median year is 67.1 mm (2.6 in). 01002003004001960198020002020Record: 380.0 mm (15.0 in) in 1977
The wettest day of the year at La Rioja Aero., 1956 to 2025. The record is 380.0 mm (15.0 in) in 1977, marked on the chart; the median year is 67.1 mm (2.6 in).
Wettest day (Rx1day) at La Rioja Aero. by year
YearWettest day (Rx1day)
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
19670.5 mm (0.02 in)
196854.1 mm (2.1 in)
1969n/a
1970n/a
1971n/a
1972n/a
197346.0 mm (1.8 in)
197480.0 mm (3.1 in)
19751.0 mm (0.04 in)
197659.9 mm (2.4 in)
1977380.0 mm (15.0 in)
197850.0 mm (2.0 in)
197946.0 mm (1.8 in)
198050.0 mm (2.0 in)
198152.1 mm (2.1 in)
1982169.9 mm (6.7 in)
1983112.0 mm (4.4 in)
198473.9 mm (2.9 in)
19850.0 mm (0.00 in)
198613.0 mm (0.5 in)
198750.0 mm (2.0 in)
198895.0 mm (3.7 in)
198989.9 mm (3.5 in)
1990150.1 mm (5.9 in)
199146.0 mm (1.8 in)
1992165.1 mm (6.5 in)
1993181.1 mm (7.1 in)
199465.0 mm (2.6 in)
1995127.0 mm (5.0 in)
199635.1 mm (1.4 in)
199793.0 mm (3.7 in)
199891.9 mm (3.6 in)
199997.0 mm (3.8 in)
200068.3 mm (2.7 in)
200123.1 mm (0.9 in)
200287.9 mm (3.5 in)
2003114.0 mm (4.5 in)
200438.1 mm (1.5 in)
200599.1 mm (3.9 in)
200699.1 mm (3.9 in)
2007145.0 mm (5.7 in)
200890.7 mm (3.6 in)
200999.1 mm (3.9 in)
201033.0 mm (1.3 in)
201159.9 mm (2.4 in)
201269.1 mm (2.7 in)
201337.1 mm (1.5 in)
201454.1 mm (2.1 in)
201574.9 mm (2.9 in)
201668.1 mm (2.7 in)
201767.1 mm (2.6 in)
201850.0 mm (2.0 in)
201951.1 mm (2.0 in)
202043.9 mm (1.7 in)
202173.9 mm (2.9 in)
202287.1 mm (3.4 in)
202367.1 mm (2.6 in)
202426.9 mm (1.1 in)
20250.0 mm (0.00 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at La Rioja Aero. by year The wettest five days of the year at La Rioja Aero., 1956 to 2025. The record is 410.0 mm (16.1 in) in 1977, marked on the chart; the median year is 58.9 mm (2.3 in). 02004006001960198020002020Record: 410.0 mm (16.1 in) in 1977
The wettest five days of the year at La Rioja Aero., 1956 to 2025. The record is 410.0 mm (16.1 in) in 1977, marked on the chart; the median year is 58.9 mm (2.3 in).
Wettest five days (Rx5day) at La Rioja Aero. by year
YearWettest five days (Rx5day)
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
197347.0 mm (1.9 in)
1974104.9 mm (4.1 in)
19757.1 mm (0.28 in)
197674.9 mm (2.9 in)
1977410.0 mm (16.1 in)
197850.0 mm (2.0 in)
197946.0 mm (1.8 in)
198062.2 mm (2.4 in)
198159.1 mm (2.3 in)
1982309.9 mm (12.2 in)
198333.1 mm (1.3 in)
198480.8 mm (3.2 in)
19850.0 mm (0.00 in)
19860.0 mm (0.00 in)
198753.0 mm (2.1 in)
19887.1 mm (0.28 in)
198935.9 mm (1.4 in)
1990150.1 mm (5.9 in)
199161.0 mm (2.4 in)
199242.9 mm (1.7 in)
199353.1 mm (2.1 in)
199433.0 mm (1.3 in)
19950.0 mm (0.00 in)
199648.0 mm (1.9 in)
199750.0 mm (2.0 in)
199891.9 mm (3.6 in)
199997.8 mm (3.9 in)
200031.0 mm (1.2 in)
200129.7 mm (1.2 in)
2002175.8 mm (6.9 in)
2003150.1 mm (5.9 in)
200476.0 mm (3.0 in)
200558.9 mm (2.3 in)
200657.9 mm (2.3 in)
2007184.8 mm (7.3 in)
2008141.0 mm (5.6 in)
2009n/a
201073.9 mm (2.9 in)
201188.8 mm (3.5 in)
201292.0 mm (3.6 in)
2013n/a
201482.0 mm (3.2 in)
201540.2 mm (1.6 in)
2016125.9 mm (5.0 in)
201757.2 mm (2.3 in)
201830.3 mm (1.2 in)
201980.8 mm (3.2 in)
202022.1 mm (0.9 in)
202157.9 mm (2.3 in)
2022153.6 mm (6.0 in)
202378.0 mm (3.1 in)
2024n/a
2025n/a

Longest dry spell (CDD)

Longest dry spell (CDD) at La Rioja Aero. by year The longest dry spell of the year at La Rioja Aero., 1956 to 2025. The record is 26 days in 1981, marked on the chart; the median year is 7 days. 01020301960198020002020Record: 26 days in 1981
The longest dry spell of the year at La Rioja Aero., 1956 to 2025. The record is 26 days in 1981, marked on the chart; the median year is 7 days.
Longest dry spell (CDD) at La Rioja Aero. by year
YearLongest dry spell (CDD)
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
19671 day
19684 days
1969n/a
1970n/a
1971n/a
1972n/a
197317 days
197415 days
19755 days
197614 days
197711 days
197815 days
197910 days
198018 days
198126 days
19824 days
19837 days
198411 days
19857 days
19867 days
19877 days
198813 days
198912 days
199011 days
19917 days
19927 days
19936 days
19949 days
19958 days
19969 days
199714 days
199812 days
19998 days
20002 days
20013 days
200221 days
200318 days
200423 days
200521 days
20063 days
20073 days
20082 days
20091 day
20101 day
20112 days
20123 days
20133 days
20143 days
20152 days
20164 days
20172 days
20184 days
20194 days
20202 days
20212 days
20223 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

33 years with a frost

Across 33 years with a frost, the median last spring frost at La Rioja Aero. falls on 9 August and the median first autumn frost on 11 June, which leaves a median of 307 days between them.

Fitted over all years, the growing season changes by +1.7 days per decade at this station.

Frost dates and growing season at La Rioja Aero.
MeasureMedian, all yearsEarliest periodRecent period (1964 to 2003)Recent against earliestFitted trend
Last spring frost9 Augustn/a7 Augustn/a-1.0 days per decade
First autumn frost11 Junen/a14 Junen/a+0.7 days per decade
Growing days307 daysn/a307 daysn/a+1.7 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 La Rioja Aero. standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for La Rioja 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).