Built 2026-10-19 (19 October 2026)

San Juan Acazuchitlan Threshold Days by Year (MXN00015217)

9 fixed thresholds counted per year at San Juan Acazuchitlan (MXN00015217): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Juan Acazuchitlan Thresholds

  • San Juan Acazuchitlan: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2003 with 38.
  • San Juan Acazuchitlan: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 2003 with 14.
  • San Juan Acazuchitlan: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 2006 with 37.
  • San Juan Acazuchitlan: days with a maximum temperature at or above 30 C (86 F) in 15 years, most in 2003 with 50.
  • 9 fixed thresholds have at least one qualifying day at San Juan Acazuchitlan.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at San Juan Acazuchitlan Days per year at San Juan Acazuchitlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 50 in 2003. 02040601977: 51978: 41982: 161983: 361985: 11991: 21993: 141995: 221997: 131999: 412001: 22003: 502005: 32006: 62007: 1219771982198519931997200120052007
Days per year at San Juan Acazuchitlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 50 in 2003.
Days at or above 30 C (86 F) per year at San Juan Acazuchitlan
YearDaysDecade average
197754.5
197844.5
19821617.7
19833617.7
1985117.7
1991218.4
19931418.4
19952218.4
19971318.4
19994118.4
2001214.6
20035014.6
2005314.6
2006614.6
20071214.6
First to last qualifying date each year at San Juan Acazuchitlan For each year, a bar from the first to the last day at San Juan Acazuchitlan meeting 30 C (86 F). 1977: 14 March 1977 to 31 March 19771978: 18 April 1978 to 8 May 19781982: 29 March 1982 to 6 June 19821983: 18 April 1983 to 11 November 19831985: 13 May 1985 to 13 May 19851991: 27 March 1991 to 4 May 19911993: 13 May 1993 to 8 June 19931995: 1 May 1995 to 31 May 19951997: 16 June 1997 to 27 July 19971999: 6 February 1999 to 25 September 19992001: 11 April 2001 to 13 April 20012003: 26 February 2003 to 2 June 20032005: 23 June 2005 to 30 June 20052006: 5 April 2006 to 30 May 20062007: 3 June 2007 to 16 July 200719771982198519931997200120052007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Juan Acazuchitlan meeting 30 C (86 F).
First to last qualifying date each year at San Juan Acazuchitlan
YearFirst dateLast date
19771977-03-141977-03-31
19781978-04-181978-05-08
19821982-03-291982-06-06
19831983-04-181983-11-11
19851985-05-131985-05-13
19911991-03-271991-05-04
19931993-05-131993-06-08
19951995-05-011995-05-31
19971997-06-161997-07-27
19991999-02-061999-09-25
20012001-04-112001-04-13
20032003-02-262003-06-02
20052005-06-232005-06-30
20062006-04-052006-05-30
20072007-06-032007-07-16

Every Fixed Threshold

Fixed thresholds at San Juan Acazuchitlan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1550200312
35 C (95 F): Days2320033
90 F (32.2 C): Days422200322
100 F (37.8 C): Days1119831
0 C (32 F): Frost days (min263720065
20 C (68 F): Tropical nights (min10n/a5
10 mm (0.39 in): Days with 10 mm or more rain2938200337
25 mm (0.98 in): Days with 25 mm or more rain281420035
50 mm (1.97 in): Days with 50 mm or more rain14319951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for San Juan Acazuchitlan 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).