Ahuehuepan Threshold Days by Year (MXN00012004)

13 fixed thresholds counted per year at Ahuehuepan (MXN00012004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ahuehuepan Thresholds

Ahuehuepan: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 2002 with 47.
Ahuehuepan: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1967 with 17.
Ahuehuepan: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1974 with 363.
Ahuehuepan: days with a maximum temperature at or above 35 C (95 F) in 44 years, most in 1974 with 212.
13 fixed thresholds have at least one qualifying day at Ahuehuepan.

Days at or above 30 C (86 F)

44 years with a qualifying day

Days per year at Ahuehuepan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 363 in 1974.

Days at or above 30 C (86 F) per year at Ahuehuepan
Year	Days	Decade average
1961	321	315.9
1962	338	315.9
1963	276	315.9
1964	321	315.9
1965	311	315.9
1966	330	315.9
1967	284	315.9
1968	320	315.9
1969	342	315.9
1970	336	321.9
1971	269	321.9
1972	322	321.9
1973	315	321.9
1974	363	321.9
1975	362	321.9
1976	323	321.9
1977	318	321.9
1978	289	321.9
1980	266	315.7
1981	323	315.7
1982	357	315.7
1983	332	315.7
1985	318	315.7
1986	335	315.7
1987	323	315.7
1988	304	315.7
1989	283	315.7
1990	331	341.3
1992	321	341.3
1993	359	341.3
1994	362	341.3
1995	349	341.3
1996	342	341.3
1998	355	341.3
1999	311	341.3
2000	358	330.5
2002	329	330.5
2006	303	330.5
2007	336	330.5
2008	346	330.5
2009	311	330.5
2010	312	327
2011	356	327
2012	313	327

For each year, a bar from the first to the last day at Ahuehuepan meeting 30 C (86 F).

First to last qualifying date each year at Ahuehuepan
Year	First date	Last date
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-30
1964	1964-01-05	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-29
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-02-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1980	1980-01-01	1980-12-29
1981	1981-01-02	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-29
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-29
1989	1989-01-01	1989-12-30
1990	1990-01-01	1990-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-29
1996	1996-01-05	1996-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2002	2002-01-01	2002-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-01	2012-12-31

Every Fixed Threshold

Fixed thresholds at Ahuehuepan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	44	363	1974	313
35 C (95 F): Days	44	212	1974	118
40 C (104 F): Days	37	59	1975	16
45 C (113 F): Days	1	8	1993	8
90 F (32.2 C): Days	44	323	1974	231
100 F (37.8 C): Days	43	106	1993	62
110 F (43.3 C): Days	1	12	1993	12
120 F (48.9 C): Days	1	1	1993	1
20 C (68 F): Tropical nights (min	44	218	1974	80
25 C (77 F): Days with min	12	8	1973	1
10 mm (0.39 in): Days with 10 mm or more rain	46	47	2002	28
25 mm (0.98 in): Days with 25 mm or more rain	46	17	1967	2
50 mm (1.97 in): Days with 50 mm or more rain	30	4	1968	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

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Data for Ahuehuepan 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Ahuehuepan Threshold Days by Year (MXN00012004)

Key Facts for Ahuehuepan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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