Terrones Threshold Days by Year

13 fixed thresholds counted per year at Terrones (MXN00012139): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Terrones Thresholds

Terrones: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1996 with 42.
Terrones: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1996 with 20.
Terrones: nights with a minimum temperature at or above 20 C (68 F) in 32 years, most in 2000 with 300.
Terrones: nights with a minimum temperature at or above 25 C (77 F) in 32 years, most in 1985 with 63.
13 fixed thresholds have at least one qualifying day at Terrones.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Terrones with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 366 in 2000.

Days at or above 30 C (86 F) per year at Terrones
Year	Days	Decade average
1972	351	358.6
1973	360	358.6
1974	363	358.6
1975	353	358.6
1976	358	358.6
1977	362	358.6
1978	357	358.6
1979	365	358.6
1980	355	337.8
1981	354	337.8
1982	365	337.8
1983	359	337.8
1984	317	337.8
1985	348	337.8
1986	329	337.8
1987	312	337.8
1988	301	337.8
1991	314	339.2
1994	317	339.2
1996	346	339.2
1997	356	339.2
1998	363	339.2
2000	366	364.3
2001	362	364.3
2002	364	364.3
2003	365	364.3
2004	365	364.3
2005	365	364.3
2006	362	364.3
2007	365	364.3
2010	335	335

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

First to last qualifying date each year at Terrones
Year	First date	Last date
1972	1972-01-13	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	1988-01-03	1988-12-31
1991	1991-02-01	1991-12-31
1994	1994-01-01	1994-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-30
2007	2007-01-01	2007-12-31
2010	2010-01-01	2010-12-31

Every Fixed Threshold

Fixed thresholds at Terrones
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	366	2000	335
35 C (95 F): Days	31	358	2007	72
40 C (104 F): Days	31	211	2007	11
45 C (113 F): Days	13	72	2007	72
90 F (32.2 C): Days	31	364	2007	219
100 F (37.8 C): Days	31	303	2007	43
110 F (43.3 C): Days	18	89	2007	89
20 C (68 F): Tropical nights (min	32	300	2000	258
25 C (77 F): Days with min	32	63	1985	32
10 mm (0.39 in): Days with 10 mm or more rain	35	42	1996	26
25 mm (0.98 in): Days with 25 mm or more rain	35	20	1996	4
50 mm (1.97 in): Days with 50 mm or more rain	28	11	2010	1
100 mm (3.94 in): Days with 100 mm or more rain	3	2	2010	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

Data for Terrones 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Terrones Threshold Days by Year

Key Facts for Terrones Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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