Built 2026-10-19 (19 October 2026)

Santiago Teotongo Threshold Days by Year (MXN00020137)

7 fixed thresholds counted per year at Santiago Teotongo (MXN00020137): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santiago Teotongo Thresholds

  • Santiago Teotongo: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1985 with 31.
  • Santiago Teotongo: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1975 with 11.
  • Santiago Teotongo: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1973 with 49.
  • Santiago Teotongo: nights with a minimum temperature at or below 0 C (32 F) in 15 years, most in 1999 with 6.
  • 7 fixed thresholds have at least one qualifying day at Santiago Teotongo.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Santiago Teotongo Days per year at Santiago Teotongo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 49 in 1973. 02040601971: 211972: 191973: 491974: 321975: 221977: 91978: 281979: 171982: 61983: 231984: 151986: 81988: 211991: 181993: 61994: 41995: 41998: 22197119731975197819821984198819931995
Days per year at Santiago Teotongo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 49 in 1973.
Days at or above 30 C (86 F) per year at Santiago Teotongo
YearDaysDecade average
19712124.6
19721924.6
19734924.6
19743224.6
19752224.6
1977924.6
19782824.6
19791724.6
1982614.6
19832314.6
19841514.6
1986814.6
19882114.6
19911810.8
1993610.8
1994410.8
1995410.8
19982210.8
First to last qualifying date each year at Santiago Teotongo For each year, a bar from the first to the last day at Santiago Teotongo meeting 30 C (86 F). 1971: 14 March 1971 to 30 May 19711972: 11 March 1972 to 24 May 19721973: 25 February 1973 to 29 November 19731974: 7 January 1974 to 16 December 19741975: 19 February 1975 to 25 July 19751977: 14 March 1977 to 19 April 19771978: 14 March 1978 to 21 May 19781979: 5 March 1979 to 19 May 19791982: 6 September 1982 to 26 September 19821983: 20 April 1983 to 13 June 19831984: 28 March 1984 to 30 April 19841986: 2 April 1986 to 17 May 19861988: 19 April 1988 to 3 June 19881991: 17 March 1991 to 24 May 19911993: 25 April 1993 to 30 April 19931994: 12 April 1994 to 28 April 19941995: 11 April 1995 to 10 May 19951998: 5 May 1998 to 31 May 1998197119741978198319881994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santiago Teotongo meeting 30 C (86 F).
First to last qualifying date each year at Santiago Teotongo
YearFirst dateLast date
19711971-03-141971-05-30
19721972-03-111972-05-24
19731973-02-251973-11-29
19741974-01-071974-12-16
19751975-02-191975-07-25
19771977-03-141977-04-19
19781978-03-141978-05-21
19791979-03-051979-05-19
19821982-09-061982-09-26
19831983-04-201983-06-13
19841984-03-281984-04-30
19861986-04-021986-05-17
19881988-04-191988-06-03
19911991-03-171991-05-24
19931993-04-251993-04-30
19941994-04-121994-04-28
19951995-04-111995-05-10
19981998-05-051998-05-31

Every Fixed Threshold

Fixed thresholds at Santiago Teotongo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1849197322
35 C (95 F): Days4119711
90 F (32.2 C): Days8619744
0 C (32 F): Frost days (min15619993
10 mm (0.39 in): Days with 10 mm or more rain2731198515
25 mm (0.98 in): Days with 25 mm or more rain251119752
50 mm (1.97 in): Days with 50 mm or more rain4419751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Santiago Teotongo 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).