Huehuetan Threshold Days by Year (MXN00007075)

12 fixed thresholds counted per year at Huehuetan (MXN00007075): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Huehuetan Thresholds

Huehuetan: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1969 with 77.
Huehuetan: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1996 with 42.
Huehuetan: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 2005 with 23.
Huehuetan: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1968 with 366.
12 fixed thresholds have at least one qualifying day at Huehuetan.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Huehuetan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 366 in 1968.

Days at or above 30 C (86 F) per year at Huehuetan
Year	Days	Decade average
1966	363	361.8
1967	363	361.8
1968	366	361.8
1969	355	361.8
1970	361	358.6
1971	352	358.6
1972	356	358.6
1973	352	358.6
1974	360	358.6
1975	361	358.6
1976	366	358.6
1977	363	358.6
1978	361	358.6
1979	354	358.6
1980	363	362.3
1981	361	362.3
1982	363	362.3
1983	363	362.3
1984	363	362.3
1985	363	362.3
1986	362	362.3
1987	364	362.3
1988	359	362.3
1989	362	362.3
1990	364	359.3
1991	365	359.3
1992	365	359.3
1993	364	359.3
1994	359	359.3
1995	363	359.3
1996	351	359.3
1997	355	359.3
1998	350	359.3
1999	357	359.3
2000	361	338
2005	324	338
2009	329	338

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

First to last qualifying date each year at Huehuetan
Year	First date	Last date
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
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	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
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	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
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	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2005	2005-01-04	2005-12-31
2009	2009-01-07	2009-12-20

Every Fixed Threshold

Fixed thresholds at Huehuetan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	366	1968	329
35 C (95 F): Days	37	298	1967	170
40 C (104 F): Days	14	9	1983	5
90 F (32.2 C): Days	37	363	1968	324
100 F (37.8 C): Days	32	67	1966	3
20 C (68 F): Tropical nights (min	37	365	1976	329
25 C (77 F): Days with min	27	209	1976	3
10 mm (0.39 in): Days with 10 mm or more rain	39	77	1969	57
25 mm (0.98 in): Days with 25 mm or more rain	39	42	1996	30
50 mm (1.97 in): Days with 50 mm or more rain	39	23	2005	10
100 mm (3.94 in): Days with 100 mm or more rain	32	8	2005	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

Data for Huehuetan 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).

Huehuetan Threshold Days by Year (MXN00007075)

Key Facts for Huehuetan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related