Built 2026-10-19 (19 October 2026)

San Pedro de la Sierra Threshold Days by Year (MXN00032109)

8 fixed thresholds counted per year at San Pedro de la Sierra (MXN00032109): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Pedro de la Sierra Thresholds

  • San Pedro de la Sierra: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1991 with 180.
  • San Pedro de la Sierra: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1991 with 27.
  • San Pedro de la Sierra: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1992 with 9.
  • San Pedro de la Sierra: days with a maximum temperature at or above 90 F (32.2 C) in 13 years, most in 1991 with 48.
  • 8 fixed thresholds have at least one qualifying day at San Pedro de la Sierra.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at San Pedro de la Sierra Days per year at San Pedro de la Sierra with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 180 in 1991. 0501001502001978: 671979: 471983: 451984: 321985: 501987: 161988: 351991: 1801992: 171993: 181994: 161995: 641996: 681998: 932006: 12009: 92012: 5197819831985198819921994199620062012
Days per year at San Pedro de la Sierra with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 180 in 1991.
Days at or above 30 C (86 F) per year at San Pedro de la Sierra
YearDaysDecade average
19786757
19794757
19834535.6
19843235.6
19855035.6
19871635.6
19883535.6
199118065.1
19921765.1
19931865.1
19941665.1
19956465.1
19966865.1
19989365.1
200615
200995
201255
First to last qualifying date each year at San Pedro de la Sierra For each year, a bar from the first to the last day at San Pedro de la Sierra meeting 30 C (86 F). 1978: 12 March 1978 to 22 July 19781979: 29 March 1979 to 29 October 19791983: 20 April 1983 to 7 November 19831984: 14 April 1984 to 30 October 19841985: 19 March 1985 to 9 November 19851987: 31 March 1987 to 25 November 19871988: 1 March 1988 to 20 July 19881991: 25 March 1991 to 6 November 19911992: 11 June 1992 to 3 July 19921993: 29 May 1993 to 20 June 19931994: 5 May 1994 to 9 June 19941995: 23 March 1995 to 30 July 19951996: 23 February 1996 to 18 August 19961998: 24 March 1998 to 11 October 19982006: 12 June 2006 to 12 June 20062009: 5 April 2009 to 14 June 20092012: 28 May 2012 to 7 June 2012197819841988199319962009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Pedro de la Sierra meeting 30 C (86 F).
First to last qualifying date each year at San Pedro de la Sierra
YearFirst dateLast date
19781978-03-121978-07-22
19791979-03-291979-10-29
19831983-04-201983-11-07
19841984-04-141984-10-30
19851985-03-191985-11-09
19871987-03-311987-11-25
19881988-03-011988-07-20
19911991-03-251991-11-06
19921992-06-111992-07-03
19931993-05-291993-06-20
19941994-05-051994-06-09
19951995-03-231995-07-30
19961996-02-231996-08-18
19981998-03-241998-10-11
20062006-06-122006-06-12
20092009-04-052009-06-14
20122012-05-282012-06-07

Every Fixed Threshold

Fixed thresholds at San Pedro de la Sierra
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1718019915
35 C (95 F): Days92119911
90 F (32.2 C): Days134819911
100 F (37.8 C): Days2219962
0 C (32 F): Frost days (min1028200622
10 mm (0.39 in): Days with 10 mm or more rain1627199114
25 mm (0.98 in): Days with 25 mm or more rain16919922
50 mm (1.97 in): Days with 50 mm or more rain4220062

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 San Pedro de la Sierra 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).