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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

La Llave Threshold Days by Year (MXN00022042)

7 fixed thresholds counted per year at La Llave (MXN00022042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Llave Thresholds

  • La Llave: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1979 with 94.
  • La Llave: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 2003 with 22.
  • La Llave: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1983 with 7.
  • La Llave: days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 2003 with 22.
  • 7 fixed thresholds have at least one qualifying day at La Llave.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at La Llave Days per year at La Llave with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1979. 02550751001978: 301979: 941980: 731981: 431982: 831983: 541984: 281985: 101986: 281987: 321988: 571989: 411990: 481993: 451997: 132000: 562003: 842004: 412005: 732006: 641978198019821984198619881990199720032005
Days per year at La Llave with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1979.
Days at or above 30 C (86 F) per year at La Llave
YearDaysDecade average
19783062
19799462
19807344.9
19814344.9
19828344.9
19835444.9
19842844.9
19851044.9
19862844.9
19873244.9
19885744.9
19894144.9
19904835.3
19934535.3
19971335.3
20005663.6
20038463.6
20044163.6
20057363.6
20066463.6
First to last qualifying date each year at La Llave For each year, a bar from the first to the last day at La Llave meeting 30 C (86 F). 1978: 24 March 1978 to 25 May 19781979: 28 March 1979 to 17 November 19791980: 8 March 1980 to 21 July 19801981: 12 March 1981 to 17 August 19811982: 11 March 1982 to 30 September 19821983: 12 April 1983 to 30 June 19831984: 29 March 1984 to 8 June 19841985: 28 March 1985 to 31 May 19851986: 17 March 1986 to 24 May 19861987: 25 March 1987 to 19 September 19871988: 24 March 1988 to 13 July 19881989: 2 April 1989 to 15 November 19891990: 8 March 1990 to 17 June 19901993: 1 April 1993 to 22 August 19931997: 24 February 1997 to 11 August 19972000: 13 February 2000 to 12 September 20002003: 4 March 2003 to 12 September 20032004: 3 March 2004 to 30 September 20042005: 1 April 2005 to 4 November 20052006: 20 February 2006 to 22 October 20061978198119841987199020002005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at La Llave meeting 30 C (86 F).
First to last qualifying date each year at La Llave
YearFirst dateLast date
19781978-03-241978-05-25
19791979-03-281979-11-17
19801980-03-081980-07-21
19811981-03-121981-08-17
19821982-03-111982-09-30
19831983-04-121983-06-30
19841984-03-291984-06-08
19851985-03-281985-05-31
19861986-03-171986-05-24
19871987-03-251987-09-19
19881988-03-241988-07-13
19891989-04-021989-11-15
19901990-03-081990-06-17
19931993-04-011993-08-22
19971997-02-241997-08-11
20002000-02-132000-09-12
20032003-03-042003-09-12
20042004-03-032004-09-30
20052005-04-012005-11-04
20062006-02-202006-10-22

Every Fixed Threshold

Fixed thresholds at La Llave
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2094197964
35 C (95 F): Days5720036
90 F (32.2 C): Days1822200320
0 C (32 F): Frost days (min151619864
10 mm (0.39 in): Days with 10 mm or more rain2022200320
25 mm (0.98 in): Days with 25 mm or more rain19719834
50 mm (1.97 in): Days with 50 mm or more rain10219821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for La Llave 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).