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

San Martin Threshold Days by Year (MXN00003158)

15 fixed thresholds counted per year at San Martin (MXN00003158): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Martin Thresholds

  • San Martin: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1984 with 18.
  • San Martin: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 2006 with 263.
  • San Martin: days with a maximum temperature at or above 35 C (95 F) in 21 years, most in 2006 with 173.
  • San Martin: days with a maximum temperature at or above 40 C (104 F) in 21 years, most in 2002 with 75.
  • 15 fixed thresholds have at least one qualifying day at San Martin.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at San Martin Days per year at San Martin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 263 in 2006. 01002003001981: 2231982: 2211984: 2171985: 2291988: 1941992: 2001993: 2131997: 2331998: 2001999: 2602000: 2492001: 2402002: 2172003: 2522004: 2292005: 2552006: 2632007: 2372008: 2632009: 2312010: 2361981198519931999200220052008
Days per year at San Martin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 263 in 2006.
Days at or above 30 C (86 F) per year at San Martin
YearDaysDecade average
1981223216.8
1982221216.8
1984217216.8
1985229216.8
1988194216.8
1992200221.2
1993213221.2
1997233221.2
1998200221.2
1999260221.2
2000249243.6
2001240243.6
2002217243.6
2003252243.6
2004229243.6
2005255243.6
2006263243.6
2007237243.6
2008263243.6
2009231243.6
2010236236
First to last qualifying date each year at San Martin For each year, a bar from the first to the last day at San Martin meeting 30 C (86 F). 1981: 12 February 1981 to 24 November 19811982: 24 January 1982 to 19 December 19821984: 14 February 1984 to 10 December 19841985: 12 February 1985 to 31 December 19851988: 4 January 1988 to 18 December 19881992: 9 April 1992 to 30 November 19921993: 6 February 1993 to 9 December 19931997: 1 January 1997 to 30 November 19971998: 22 March 1998 to 31 December 19981999: 6 January 1999 to 29 December 19992000: 3 January 2000 to 31 December 20002001: 4 February 2001 to 19 December 20012002: 8 February 2002 to 14 December 20022003: 4 January 2003 to 21 December 20032004: 16 February 2004 to 15 December 20042005: 8 January 2005 to 31 December 20052006: 2 January 2006 to 14 December 20062007: 9 January 2007 to 24 December 20072008: 3 January 2008 to 14 December 20082009: 8 January 2009 to 26 November 20092010: 4 January 2010 to 13 December 20101981198519931999200220052008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Martin meeting 30 C (86 F).
First to last qualifying date each year at San Martin
YearFirst dateLast date
19811981-02-121981-11-24
19821982-01-241982-12-19
19841984-02-141984-12-10
19851985-02-121985-12-31
19881988-01-041988-12-18
19921992-04-091992-11-30
19931993-02-061993-12-09
19971997-01-011997-11-30
19981998-03-221998-12-31
19991999-01-061999-12-29
20002000-01-032000-12-31
20012001-02-042001-12-19
20022002-02-082002-12-14
20032003-01-042003-12-21
20042004-02-162004-12-15
20052005-01-082005-12-31
20062006-01-022006-12-14
20072007-01-092007-12-24
20082008-01-032008-12-14
20092009-01-082009-11-26
20102010-01-042010-12-13

Every Fixed Threshold

Fixed thresholds at San Martin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days212632006236
35 C (95 F): Days211732006154
40 C (104 F): Days2175200256
45 C (113 F): Days14819982
90 F (32.2 C): Days212132008181
100 F (37.8 C): Days21113200297
110 F (43.3 C): Days161419976
120 F (48.9 C): Days2120031
0 C (32 F): Frost days (min1425200411
20 C (68 F): Tropical nights (min2185198133
25 C (77 F): Days with min11419821
10 mm (0.39 in): Days with 10 mm or more rain221819844
25 mm (0.98 in): Days with 25 mm or more rain20719924
50 mm (1.97 in): Days with 50 mm or more rain8319922
100 mm (3.94 in): Days with 100 mm or more rain2119921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for San Martin 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).