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Built 2026-10-19 (19 October 2026)

San Lorenzo Threshold Days by Year (MXN00028195)

14 fixed thresholds counted per year at San Lorenzo (MXN00028195): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Lorenzo Thresholds

  • San Lorenzo: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2011 with 248.
  • San Lorenzo: days with a maximum temperature at or above 35 C (95 F) in 28 years, most in 1982 with 118.
  • San Lorenzo: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2011 with 185.
  • San Lorenzo: nights with a minimum temperature at or above 20 C (68 F) in 26 years, most in 2004 with 217.
  • 14 fixed thresholds have at least one qualifying day at San Lorenzo.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at San Lorenzo Days per year at San Lorenzo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 248 in 2011. 01002003001981: 2341982: 2371983: 2191984: 1851985: 2211986: 1971987: 1951989: 1951990: 1791991: 1861992: 1771993: 1931994: 1851995: 1941996: 2021997: 1941998: 2141999: 2052000: 2082001: 1822002: 2082003: 1932004: 1972005: 2092006: 2012007: 1802008: 2042011: 2481981198419871991199419972000200320062011
Days per year at San Lorenzo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 248 in 2011.
Days at or above 30 C (86 F) per year at San Lorenzo
YearDaysDecade average
1981234210.4
1982237210.4
1983219210.4
1984185210.4
1985221210.4
1986197210.4
1987195210.4
1989195210.4
1990179192.9
1991186192.9
1992177192.9
1993193192.9
1994185192.9
1995194192.9
1996202192.9
1997194192.9
1998214192.9
1999205192.9
2000208198
2001182198
2002208198
2003193198
2004197198
2005209198
2006201198
2007180198
2008204198
2011248248
First to last qualifying date each year at San Lorenzo For each year, a bar from the first to the last day at San Lorenzo meeting 30 C (86 F). 1981: 10 February 1981 to 28 December 19811982: 2 January 1982 to 24 December 19821983: 29 January 1983 to 28 December 19831984: 16 February 1984 to 14 December 19841985: 30 January 1985 to 31 December 19851986: 3 February 1986 to 23 November 19861987: 15 February 1987 to 25 December 19871989: 2 February 1989 to 27 November 19891990: 2 February 1990 to 8 November 19901991: 14 February 1991 to 19 November 19911992: 24 February 1992 to 24 November 19921993: 23 January 1993 to 19 November 19931994: 22 February 1994 to 9 December 19941995: 6 March 1995 to 5 December 19951996: 1 January 1996 to 20 November 19961997: 5 January 1997 to 8 December 19971998: 12 January 1998 to 6 December 19981999: 17 January 1999 to 10 November 19992000: 10 January 2000 to 27 October 20002001: 24 February 2001 to 25 October 20012002: 1 March 2002 to 30 October 20022003: 15 February 2003 to 5 November 20032004: 20 February 2004 to 29 November 20042005: 14 February 2005 to 30 November 20052006: 2 January 2006 to 14 November 20062007: 1 March 2007 to 14 November 20072008: 4 February 2008 to 14 November 20082011: 6 January 2011 to 25 November 20111981198519901994199820022006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Lorenzo meeting 30 C (86 F).
First to last qualifying date each year at San Lorenzo
YearFirst dateLast date
19811981-02-101981-12-28
19821982-01-021982-12-24
19831983-01-291983-12-28
19841984-02-161984-12-14
19851985-01-301985-12-31
19861986-02-031986-11-23
19871987-02-151987-12-25
19891989-02-021989-11-27
19901990-02-021990-11-08
19911991-02-141991-11-19
19921992-02-241992-11-24
19931993-01-231993-11-19
19941994-02-221994-12-09
19951995-03-061995-12-05
19961996-01-011996-11-20
19971997-01-051997-12-08
19981998-01-121998-12-06
19991999-01-171999-11-10
20002000-01-102000-10-27
20012001-02-242001-10-25
20022002-03-012002-10-30
20032003-02-152003-11-05
20042004-02-202004-11-29
20052005-02-142005-11-30
20062006-01-022006-11-14
20072007-03-012007-11-14
20082008-02-042008-11-14
20112011-01-062011-11-25

Every Fixed Threshold

Fixed thresholds at San Lorenzo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days282482011248
35 C (95 F): Days28118198280
40 C (104 F): Days151319844
45 C (113 F): Days3119841
90 F (32.2 C): Days281852011185
100 F (37.8 C): Days2534199810
110 F (43.3 C): Days3219992
0 C (32 F): Frost days (min2319893
20 C (68 F): Tropical nights (min262172004203
25 C (77 F): Days with min2663199632
10 mm (0.39 in): Days with 10 mm or more rain2634199314
25 mm (0.98 in): Days with 25 mm or more rain262020074
50 mm (1.97 in): Days with 50 mm or more rain25720072
100 mm (3.94 in): Days with 100 mm or more rain11219901

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 Lorenzo 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).