Built 2026-10-19 (19 October 2026)

San Diego de Alejandria Threshold Days by Year (MXN00014123)

12 fixed thresholds counted per year at San Diego de Alejandria (MXN00014123): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Diego de Alejandria Thresholds

  • San Diego de Alejandria: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 2002 with 50.
  • San Diego de Alejandria: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1971 with 19.
  • San Diego de Alejandria: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1991 with 301.
  • San Diego de Alejandria: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1991 with 182.
  • 12 fixed thresholds have at least one qualifying day at San Diego de Alejandria.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at San Diego de Alejandria Days per year at San Diego de Alejandria with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 301 in 1991. 01002003004001959: 201960: 511961: 531963: 411964: 371965: 421966: 301967: 301968: 331969: 441970: 371971: 221972: 401973: 431974: 281975: 371976: 251977: 361980: 711981: 2061982: 1041983: 491984: 291985: 171986: 311988: 411989: 341990: 1041991: 3011998: 911999: 842000: 942001: 422002: 612003: 792004: 482005: 1112006: 992007: 832010: 721959196419681972197619821986199120012005
Days per year at San Diego de Alejandria with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 301 in 1991.
Days at or above 30 C (86 F) per year at San Diego de Alejandria
YearDaysDecade average
19592020
19605140.1
19615340.1
19634140.1
19643740.1
19654240.1
19663040.1
19673040.1
19683340.1
19694440.1
19703733.5
19712233.5
19724033.5
19734333.5
19742833.5
19753733.5
19762533.5
19773633.5
19807164.7
198120664.7
198210464.7
19834964.7
19842964.7
19851764.7
19863164.7
19884164.7
19893464.7
1990104145
1991301145
199891145
199984145
20009477.1
20014277.1
20026177.1
20037977.1
20044877.1
200511177.1
20069977.1
20078377.1
20107272
First to last qualifying date each year at San Diego de Alejandria For each year, a bar from the first to the last day at San Diego de Alejandria meeting 30 C (86 F). 1959: 5 April 1959 to 3 June 19591960: 9 March 1960 to 30 June 19601961: 12 April 1961 to 9 June 19611963: 9 April 1963 to 8 June 19631964: 7 April 1964 to 10 June 19641965: 3 April 1965 to 16 June 19651966: 27 April 1966 to 8 June 19661967: 13 March 1967 to 20 October 19671968: 14 April 1968 to 13 August 19681969: 18 April 1969 to 20 June 19691970: 31 March 1970 to 17 June 19701971: 29 March 1971 to 8 June 19711972: 6 April 1972 to 26 June 19721973: 26 March 1973 to 19 June 19731974: 22 April 1974 to 14 June 19741975: 7 March 1975 to 16 June 19751976: 16 March 1976 to 24 June 19761977: 15 March 1977 to 11 October 19771980: 10 March 1980 to 27 July 19801981: 8 February 1981 to 29 December 19811982: 1 January 1982 to 30 July 19821983: 27 April 1983 to 26 August 19831984: 28 March 1984 to 12 October 19841985: 30 April 1985 to 2 June 19851986: 4 February 1986 to 30 September 19861988: 25 March 1988 to 11 June 19881989: 9 May 1989 to 23 July 19891990: 1 May 1990 to 30 December 19901991: 1 January 1991 to 22 November 19911998: 23 February 1998 to 21 July 19981999: 21 February 1999 to 11 October 19992000: 11 February 2000 to 2 October 20002001: 13 March 2001 to 9 June 20012002: 18 March 2002 to 25 July 20022003: 25 February 2003 to 29 June 20032004: 6 March 2004 to 20 October 20042005: 17 February 2005 to 13 December 20052006: 16 February 2006 to 20 July 20062007: 1 March 2007 to 25 October 20072010: 27 March 2010 to 2 November 201019591965197019751982198819992004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Diego de Alejandria meeting 30 C (86 F).
First to last qualifying date each year at San Diego de Alejandria
YearFirst dateLast date
19591959-04-051959-06-03
19601960-03-091960-06-30
19611961-04-121961-06-09
19631963-04-091963-06-08
19641964-04-071964-06-10
19651965-04-031965-06-16
19661966-04-271966-06-08
19671967-03-131967-10-20
19681968-04-141968-08-13
19691969-04-181969-06-20
19701970-03-311970-06-17
19711971-03-291971-06-08
19721972-04-061972-06-26
19731973-03-261973-06-19
19741974-04-221974-06-14
19751975-03-071975-06-16
19761976-03-161976-06-24
19771977-03-151977-10-11
19801980-03-101980-07-27
19811981-02-081981-12-29
19821982-01-011982-07-30
19831983-04-271983-08-26
19841984-03-281984-10-12
19851985-04-301985-06-02
19861986-02-041986-09-30
19881988-03-251988-06-11
19891989-05-091989-07-23
19901990-05-011990-12-30
19911991-01-011991-11-22
19981998-02-231998-07-21
19991999-02-211999-10-11
20002000-02-112000-10-02
20012001-03-132001-06-09
20022002-03-182002-07-25
20032003-02-252003-06-29
20042004-03-062004-10-20
20052005-02-172005-12-13
20062006-02-162006-07-20
20072007-03-012007-10-25
20102010-03-272010-11-02

Every Fixed Threshold

Fixed thresholds at San Diego de Alejandria
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days40301199172
35 C (95 F): Days1814119917
40 C (104 F): Days340199140
45 C (113 F): Days1419914
90 F (32.2 C): Days38182199126
100 F (37.8 C): Days57919911
110 F (43.3 C): Days1419914
0 C (32 F): Frost days (min281019884
20 C (68 F): Tropical nights (min1120101
10 mm (0.39 in): Days with 10 mm or more rain6050200217
25 mm (0.98 in): Days with 25 mm or more rain581919715
50 mm (1.97 in): Days with 50 mm or more rain27419762

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for San Diego de Alejandria 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). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).