San Bernardo Threshold Days by Year (MXN00010138)

11 fixed thresholds counted per year at San Bernardo (MXN00010138): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Bernardo Thresholds

San Bernardo: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1982 with 232.
San Bernardo: days with a maximum temperature at or above 35 C (95 F) in 28 years, most in 1980 with 88.
San Bernardo: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1994 with 148.
San Bernardo: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1999 with 69.
11 fixed thresholds have at least one qualifying day at San Bernardo.

Days at or above 30 C (86 F)

28 years with a qualifying day

Days per year at San Bernardo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 232 in 1982.

Days at or above 30 C (86 F) per year at San Bernardo
Year	Days	Decade average
1978	173	184
1979	195	184
1980	191	167.8
1981	181	167.8
1982	232	167.8
1983	180	167.8
1984	134	167.8
1986	135	167.8
1987	121	167.8
1988	166	167.8
1989	170	167.8
1990	133	172.9
1991	136	172.9
1993	196	172.9
1994	199	172.9
1995	201	172.9
1997	143	172.9
1998	179	172.9
1999	196	172.9
2000	163	141.1
2001	158	141.1
2002	182	141.1
2003	135	141.1
2004	125	141.1
2005	142	141.1
2006	121	141.1
2007	130	141.1
2008	114	141.1

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

First to last qualifying date each year at San Bernardo
Year	First date	Last date
1978	1978-01-05	1978-12-16
1979	1979-01-12	1979-12-11
1980	1980-01-11	1980-11-14
1981	1981-02-26	1981-12-31
1982	1982-01-03	1982-11-16
1983	1983-03-11	1983-12-13
1984	1984-03-09	1984-11-14
1986	1986-02-18	1986-10-17
1987	1987-04-01	1987-10-26
1988	1988-02-26	1988-11-09
1989	1989-02-25	1989-10-07
1990	1990-03-09	1990-09-17
1991	1991-03-05	1991-09-11
1993	1993-02-13	1993-11-25
1994	1994-02-06	1994-11-23
1995	1995-03-05	1995-11-13
1997	1997-03-03	1997-10-12
1998	1998-03-24	1998-10-14
1999	1999-03-06	1999-10-09
2000	2000-03-24	2000-10-05
2001	2001-03-23	2001-10-26
2002	2002-03-11	2002-11-11
2003	2003-03-12	2003-11-09
2004	2004-03-19	2004-10-21
2005	2005-04-04	2005-11-10
2006	2006-02-17	2006-09-21
2007	2007-03-17	2007-11-02
2008	2008-02-25	2008-08-12

Every Fixed Threshold

Fixed thresholds at San Bernardo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	28	232	1982	114
35 C (95 F): Days	28	88	1980	24
40 C (104 F): Days	13	23	1980	3
90 F (32.2 C): Days	28	148	1994	52
100 F (37.8 C): Days	25	48	1980	2
0 C (32 F): Frost days (min	28	69	1999	55
-10 C (14 F): Days with min	2	2	1997	1
20 C (68 F): Tropical nights (min	12	4	2006	3
10 mm (0.39 in): Days with 10 mm or more rain	28	34	2006	25
25 mm (0.98 in): Days with 25 mm or more rain	28	16	1994	4
50 mm (1.97 in): Days with 50 mm or more rain	18	8	1994	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

Data for San Bernardo 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).

San Bernardo Threshold Days by Year (MXN00010138)

Key Facts for San Bernardo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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