Built 2026-10-19 (19 October 2026)

Cuamantzingo Threshold Days by Year (MXN00029004)

8 fixed thresholds counted per year at Cuamantzingo (MXN00029004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cuamantzingo Thresholds

  • Cuamantzingo: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1986 with 133.
  • Cuamantzingo: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1981 with 31.
  • Cuamantzingo: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1973 with 9.
  • Cuamantzingo: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1998 with 98.
  • 8 fixed thresholds have at least one qualifying day at Cuamantzingo.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Cuamantzingo Days per year at Cuamantzingo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1998. 02550751001969: 61970: 91971: 31973: 11976: 11977: 11978: 61979: 11980: 61982: 71983: 191984: 81985: 41986: 51988: 101996: 41997: 21998: 981999: 692000: 422001: 382002: 592003: 352008: 42009: 1196919731978198219851996199920022009
Days per year at Cuamantzingo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1998.
Days at or above 30 C (86 F) per year at Cuamantzingo
YearDaysDecade average
196966
197093.1
197133.1
197313.1
197613.1
197713.1
197863.1
197913.1
198068.4
198278.4
1983198.4
198488.4
198548.4
198658.4
1988108.4
1996443.3
1997243.3
19989843.3
19996943.3
20004229.8
20013829.8
20025929.8
20033529.8
2008429.8
2009129.8
First to last qualifying date each year at Cuamantzingo For each year, a bar from the first to the last day at Cuamantzingo meeting 30 C (86 F). 1969: 7 June 1969 to 18 June 19691970: 30 March 1970 to 2 May 19701971: 26 April 1971 to 28 April 19711973: 26 May 1973 to 26 May 19731976: 17 February 1976 to 17 February 19761977: 19 March 1977 to 19 March 19771978: 18 April 1978 to 12 May 19781979: 1 October 1979 to 1 October 19791980: 8 March 1980 to 3 April 19801982: 3 April 1982 to 4 June 19821983: 28 April 1983 to 12 June 19831984: 6 April 1984 to 2 May 19841985: 4 March 1985 to 15 May 19851986: 11 April 1986 to 16 May 19861988: 23 April 1988 to 18 November 19881996: 22 May 1996 to 28 May 19961997: 14 June 1997 to 15 June 19971998: 19 February 1998 to 13 November 19981999: 3 February 1999 to 19 June 19992000: 13 February 2000 to 18 May 20002001: 12 March 2001 to 19 August 20012002: 13 March 2002 to 25 July 20022003: 14 February 2003 to 19 May 20032008: 23 April 2008 to 12 May 20082009: 4 April 2009 to 4 April 20091969197619801985199720012009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cuamantzingo meeting 30 C (86 F).
First to last qualifying date each year at Cuamantzingo
YearFirst dateLast date
19691969-06-071969-06-18
19701970-03-301970-05-02
19711971-04-261971-04-28
19731973-05-261973-05-26
19761976-02-171976-02-17
19771977-03-191977-03-19
19781978-04-181978-05-12
19791979-10-011979-10-01
19801980-03-081980-04-03
19821982-04-031982-06-04
19831983-04-281983-06-12
19841984-04-061984-05-02
19851985-03-041985-05-15
19861986-04-111986-05-16
19881988-04-231988-11-18
19961996-05-221996-05-28
19971997-06-141997-06-15
19981998-02-191998-11-13
19991999-02-031999-06-19
20002000-02-132000-05-18
20012001-03-122001-08-19
20022002-03-132002-07-25
20032003-02-142003-05-19
20082008-04-232008-05-12
20092009-04-042009-04-04

Every Fixed Threshold

Fixed thresholds at Cuamantzingo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days259819981
35 C (95 F): Days41919982
90 F (32.2 C): Days74419985
0 C (32 F): Frost days (min32133198657
-10 C (14 F): Days with min2319883
10 mm (0.39 in): Days with 10 mm or more rain3231198123
25 mm (0.98 in): Days with 25 mm or more rain28919732
50 mm (1.97 in): Days with 50 mm or more rain4220022

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Cuamantzingo 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).