Asientos Threshold Days by Year (MXN00001029)

10 fixed thresholds counted per year at Asientos (MXN00001029): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Asientos Thresholds

Asientos: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1991 with 28.
Asientos: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 2008 with 8.
Asientos: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2001 with 123.
Asientos: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1973 with 26.
10 fixed thresholds have at least one qualifying day at Asientos.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Asientos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 2001.

Days at or above 30 C (86 F) per year at Asientos
Year	Days	Decade average
1963	106	92.8
1964	31	92.8
1965	115	92.8
1966	119	92.8
1971	39	46.1
1972	49	46.1
1973	45	46.1
1974	71	46.1
1975	65	46.1
1976	35	46.1
1977	19	46.1
1982	57	26
1984	21	26
1986	32	26
1987	7	26
1989	13	26
1990	21	29.8
1991	45	29.8
1992	11	29.8
1993	13	29.8
1994	41	29.8
1995	9	29.8
1998	48	29.8
1999	50	29.8
2000	102	90.4
2001	123	90.4
2002	64	90.4
2003	111	90.4
2004	102	90.4
2005	88	90.4
2006	29	90.4
2008	104	90.4
2012	90	90

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

First to last qualifying date each year at Asientos
Year	First date	Last date
1963	1963-03-10	1963-09-19
1964	1964-04-07	1964-07-03
1965	1965-05-04	1965-12-31
1966	1966-03-21	1966-10-17
1971	1971-03-20	1971-06-08
1972	1972-04-06	1972-09-09
1973	1973-03-27	1973-08-02
1974	1974-03-04	1974-08-07
1975	1975-04-02	1975-07-08
1976	1976-03-12	1976-07-03
1977	1977-03-16	1977-10-11
1982	1982-04-01	1982-06-21
1984	1984-04-04	1984-06-28
1986	1986-03-31	1986-08-19
1987	1987-02-22	1987-09-16
1989	1989-05-14	1989-07-18
1990	1990-04-30	1990-06-07
1991	1991-03-18	1991-06-29
1992	1992-05-12	1992-06-30
1993	1993-05-07	1993-07-30
1994	1994-03-18	1994-07-04
1995	1995-04-10	1995-04-30
1998	1998-05-12	1998-09-29
1999	1999-06-15	1999-09-30
2000	2000-04-08	2000-09-24
2001	2001-02-11	2001-10-30
2002	2002-03-24	2002-08-12
2003	2003-03-10	2003-11-25
2004	2004-03-02	2004-11-30
2005	2005-01-03	2005-10-18
2006	2006-01-19	2006-09-23
2008	2008-05-05	2008-11-01
2012	2012-03-02	2012-10-26

Every Fixed Threshold

Fixed thresholds at Asientos
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	123	2001	90
35 C (95 F): Days	12	26	1965	5
90 F (32.2 C): Days	24	50	1966	23
100 F (37.8 C): Days	4	3	1966	2
0 C (32 F): Frost days (min	33	26	1973	2
20 C (68 F): Tropical nights (min	1	13	1965	13
10 mm (0.39 in): Days with 10 mm or more rain	45	28	1991	13
25 mm (0.98 in): Days with 25 mm or more rain	36	8	2008	5
50 mm (1.97 in): Days with 50 mm or more rain	10	2	2006	1
100 mm (3.94 in): Days with 100 mm or more rain	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Asientos 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).

Asientos Threshold Days by Year (MXN00001029)

Key Facts for Asientos Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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