San Jose Threshold Days by Year (MXN00016111)

9 fixed thresholds counted per year at San Jose (MXN00016111): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Jose Thresholds

San Jose: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 2001 with 194.
San Jose: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1958 with 46.
San Jose: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1986 with 14.
San Jose: days with a maximum temperature at or above 90 F (32.2 C) in 48 years, most in 2001 with 64.
9 fixed thresholds have at least one qualifying day at San Jose.

Days at or above 30 C (86 F)

51 years with a qualifying day

Days per year at San Jose with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 194 in 2001.

Days at or above 30 C (86 F) per year at San Jose
Year	Days	Decade average
1956	38	42.3
1957	58	42.3
1958	40	42.3
1959	33	42.3
1960	78	53.2
1961	61	53.2
1962	59	53.2
1963	60	53.2
1964	60	53.2
1965	42	53.2
1966	31	53.2
1967	73	53.2
1968	15	53.2
1970	57	55.2
1971	40	55.2
1972	69	55.2
1973	60	55.2
1974	46	55.2
1975	46	55.2
1976	35	55.2
1977	39	55.2
1978	70	55.2
1979	90	55.2
1980	79	66.3
1981	79	66.3
1982	105	66.3
1983	76	66.3
1984	43	66.3
1985	27	66.3
1986	57	66.3
1987	55	66.3
1988	89	66.3
1989	53	66.3
1990	45	70.2
1991	59	70.2
1992	55	70.2
1993	64	70.2
1994	67	70.2
1995	109	70.2
1997	58	70.2
1998	103	70.2
1999	72	70.2
2000	117	68
2001	194	68
2002	45	68
2003	45	68
2006	23	68
2007	35	68
2008	38	68
2009	47	68
2010	41	41

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

First to last qualifying date each year at San Jose
Year	First date	Last date
1956	1956-02-19	1956-11-05
1957	1957-04-05	1957-11-02
1958	1958-03-17	1958-06-12
1959	1959-03-09	1959-06-03
1960	1960-03-05	1960-10-24
1961	1961-03-07	1961-10-31
1962	1962-02-19	1962-06-16
1963	1963-03-09	1963-06-06
1964	1964-02-19	1964-06-12
1965	1965-03-14	1965-06-14
1966	1966-03-04	1966-06-09
1967	1967-02-17	1967-06-15
1968	1968-03-15	1968-04-26
1970	1970-03-19	1970-06-16
1971	1971-03-06	1971-10-28
1972	1972-02-26	1972-10-02
1973	1973-02-07	1973-10-26
1974	1974-03-21	1974-06-27
1975	1975-03-06	1975-06-15
1976	1976-03-12	1976-06-18
1977	1977-03-12	1977-10-11
1978	1978-03-13	1978-11-23
1979	1979-02-25	1979-11-21
1980	1980-02-15	1980-10-19
1981	1981-02-26	1981-11-06
1982	1982-01-23	1982-10-23
1983	1983-03-11	1983-07-02
1984	1984-03-19	1984-06-08
1985	1985-03-02	1985-06-09
1986	1986-02-20	1986-11-19
1987	1987-03-18	1987-09-29
1988	1988-02-03	1988-11-16
1989	1989-03-15	1989-11-09
1990	1990-03-06	1990-10-09
1991	1991-03-05	1991-06-07
1992	1992-02-06	1992-11-06
1993	1993-02-14	1993-10-20
1994	1994-03-02	1994-09-23
1995	1995-02-14	1995-09-18
1997	1997-02-21	1997-11-20
1998	1998-03-20	1998-11-28
1999	1999-02-04	1999-07-02
2000	2000-02-17	2000-12-29
2001	2001-01-03	2001-08-13
2002	2002-03-25	2002-12-14
2003	2003-03-05	2003-06-01
2006	2006-03-14	2006-06-13
2007	2007-02-23	2007-06-10
2008	2008-03-29	2008-06-08
2009	2009-02-28	2009-10-08
2010	2010-04-06	2010-10-28

Every Fixed Threshold

Fixed thresholds at San Jose
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	51	194	2001	41
35 C (95 F): Days	35	30	1998	2
90 F (32.2 C): Days	48	64	2001	5
100 F (37.8 C): Days	3	3	1967	2
0 C (32 F): Frost days (min	38	17	1956	13
20 C (68 F): Tropical nights (min	3	2	1973	1
10 mm (0.39 in): Days with 10 mm or more rain	51	46	1958	29
25 mm (0.98 in): Days with 25 mm or more rain	50	14	1986	7
50 mm (1.97 in): Days with 50 mm or more rain	16	3	1981	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

Data for San Jose 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 Jose Threshold Days by Year (MXN00016111)

Key Facts for San Jose Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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