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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Tlahualilo Threshold Days by Year (MXN00010085)

12 fixed thresholds counted per year at Tlahualilo (MXN00010085): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tlahualilo Thresholds

  • Tlahualilo: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 2005 with 247.
  • Tlahualilo: days with a maximum temperature at or above 35 C (95 F) in 41 years, most in 1965 with 170.
  • Tlahualilo: days with a maximum temperature at or above 40 C (104 F) in 41 years, most in 2005 with 34.
  • Tlahualilo: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1965 with 208.
  • 12 fixed thresholds have at least one qualifying day at Tlahualilo.
41 years with a qualifying day
Days at or above 30 C (86 F) per year at Tlahualilo Days per year at Tlahualilo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 247 in 2005. 01002003001964: 2391965: 2431966: 2091967: 2161968: 2081969: 2291970: 2101971: 2331972: 2411974: 2141975: 2391976: 2131977: 2401978: 2101979: 2401980: 2291981: 2091982: 2241983: 1961984: 2021985: 2151986: 1931987: 1821988: 2241989: 2251990: 2051991: 1971992: 1841993: 2071994: 2271995: 2161996: 2131997: 1921998: 2141999: 2212000: 2162001: 2112002: 2212003: 2022004: 2242005: 247196419691975198019851990199520002005
Days per year at Tlahualilo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 247 in 2005.
Days at or above 30 C (86 F) per year at Tlahualilo
YearDaysDecade average
1964239224
1965243224
1966209224
1967216224
1968208224
1969229224
1970210226.7
1971233226.7
1972241226.7
1974214226.7
1975239226.7
1976213226.7
1977240226.7
1978210226.7
1979240226.7
1980229209.9
1981209209.9
1982224209.9
1983196209.9
1984202209.9
1985215209.9
1986193209.9
1987182209.9
1988224209.9
1989225209.9
1990205207.6
1991197207.6
1992184207.6
1993207207.6
1994227207.6
1995216207.6
1996213207.6
1997192207.6
1998214207.6
1999221207.6
2000216220.2
2001211220.2
2002221220.2
2003202220.2
2004224220.2
2005247220.2
First to last qualifying date each year at Tlahualilo For each year, a bar from the first to the last day at Tlahualilo meeting 30 C (86 F). 1964: 19 January 1964 to 28 December 19641965: 13 January 1965 to 28 November 19651966: 1 March 1966 to 7 December 19661967: 30 January 1967 to 1 December 19671968: 26 February 1968 to 13 November 19681969: 7 March 1969 to 25 December 19691970: 28 January 1970 to 28 December 19701971: 4 January 1971 to 16 December 19711972: 27 January 1972 to 13 December 19721974: 14 January 1974 to 5 December 19741975: 27 January 1975 to 4 December 19751976: 9 February 1976 to 27 October 19761977: 22 February 1977 to 28 November 19771978: 1 March 1978 to 20 December 19781979: 18 January 1979 to 20 November 19791980: 7 February 1980 to 13 November 19801981: 9 February 1981 to 29 November 19811982: 20 January 1982 to 1 November 19821983: 2 March 1983 to 26 November 19831984: 13 March 1984 to 17 November 19841985: 17 February 1985 to 30 November 19851986: 18 February 1986 to 20 November 19861987: 14 February 1987 to 7 November 19871988: 2 February 1988 to 26 November 19881989: 12 February 1989 to 15 November 19891990: 5 March 1990 to 26 November 19901991: 5 March 1991 to 30 October 19911992: 8 March 1992 to 11 November 19921993: 15 February 1993 to 24 November 19931994: 6 January 1994 to 27 November 19941995: 13 February 1995 to 13 November 19951996: 31 January 1996 to 21 November 19961997: 26 February 1997 to 27 November 19971998: 24 February 1998 to 29 November 19981999: 21 January 1999 to 19 November 19992000: 10 February 2000 to 31 October 20002001: 14 February 2001 to 3 November 20012002: 20 January 2002 to 10 November 20022003: 2 March 2003 to 16 November 20032004: 19 February 2004 to 6 December 20042005: 5 January 2005 to 4 December 20051964197019771983198919952001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tlahualilo meeting 30 C (86 F).
First to last qualifying date each year at Tlahualilo
YearFirst dateLast date
19641964-01-191964-12-28
19651965-01-131965-11-28
19661966-03-011966-12-07
19671967-01-301967-12-01
19681968-02-261968-11-13
19691969-03-071969-12-25
19701970-01-281970-12-28
19711971-01-041971-12-16
19721972-01-271972-12-13
19741974-01-141974-12-05
19751975-01-271975-12-04
19761976-02-091976-10-27
19771977-02-221977-11-28
19781978-03-011978-12-20
19791979-01-181979-11-20
19801980-02-071980-11-13
19811981-02-091981-11-29
19821982-01-201982-11-01
19831983-03-021983-11-26
19841984-03-131984-11-17
19851985-02-171985-11-30
19861986-02-181986-11-20
19871987-02-141987-11-07
19881988-02-021988-11-26
19891989-02-121989-11-15
19901990-03-051990-11-26
19911991-03-051991-10-30
19921992-03-081992-11-11
19931993-02-151993-11-24
19941994-01-061994-11-27
19951995-02-131995-11-13
19961996-01-311996-11-21
19971997-02-261997-11-27
19981998-02-241998-11-29
19991999-01-211999-11-19
20002000-02-102000-10-31
20012001-02-142001-11-03
20022002-01-202002-11-10
20032003-03-022003-11-16
20042004-02-192004-12-06
20052005-01-052005-12-04

Every Fixed Threshold

Fixed thresholds at Tlahualilo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days412472005247
35 C (95 F): Days411701965169
40 C (104 F): Days4134200534
90 F (32.2 C): Days412081965206
100 F (37.8 C): Days4179196566
110 F (43.3 C): Days2119891
0 C (32 F): Frost days (min415319787
20 C (68 F): Tropical nights (min4172196452
25 C (77 F): Days with min1119821
10 mm (0.39 in): Days with 10 mm or more rain411419866
25 mm (0.98 in): Days with 25 mm or more rain37619901
50 mm (1.97 in): Days with 50 mm or more rain16219951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Tlahualilo 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).