San Fernando Threshold Days by Year (MXN00028086)

17 fixed thresholds counted per year at San Fernando (MXN00028086): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Fernando Thresholds

San Fernando: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1967 with 31.
San Fernando: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1933 with 15.
San Fernando: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1933 with 276.
San Fernando: days with a maximum temperature at or above 35 C (95 F) in 70 years, most in 1950 with 155.
17 fixed thresholds have at least one qualifying day at San Fernando.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at San Fernando with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 276 in 1933.

Days at or above 30 C (86 F) per year at San Fernando
Year	Days	Decade average
1932	235	222.8
1933	276	222.8
1934	241	222.8
1935	270	222.8
1936	184	222.8
1937	193	222.8
1938	187	222.8
1939	196	222.8
1940	220	217.3
1943	206	217.3
1944	187	217.3
1947	226	217.3
1948	233	217.3
1949	232	217.3
1950	267	228.2
1951	240	228.2
1952	213	228.2
1953	241	228.2
1954	225	228.2
1955	219	228.2
1956	208	228.2
1957	251	228.2
1958	208	228.2
1959	210	228.2
1961	221	215.2
1962	237	215.2
1963	238	215.2
1964	234	215.2
1965	204	215.2
1966	195	215.2
1967	196	215.2
1968	196	215.2
1969	216	215.2
1970	177	210.6
1971	218	210.6
1972	233	210.6
1973	206	210.6
1974	231	210.6
1975	236	210.6
1976	175	210.6
1977	213	210.6
1978	215	210.6
1979	202	210.6
1980	207	215.1
1981	218	215.1
1982	219	215.1
1983	212	215.1
1984	197	215.1
1985	217	215.1
1986	228	215.1
1987	207	215.1
1988	205	215.1
1989	241	215.1
1990	222	207.4
1991	216	207.4
1992	174	207.4
1993	196	207.4
1994	214	207.4
1995	225	207.4
1996	213	207.4
1997	190	207.4
1998	211	207.4
1999	213	207.4
2000	219	205.8
2001	209	205.8
2002	194	205.8
2003	195	205.8
2004	206	205.8
2005	212	205.8
2010	182	182

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

First to last qualifying date each year at San Fernando
Year	First date	Last date
1932	1932-01-14	1932-11-15
1933	1933-01-11	1933-12-31
1934	1934-01-01	1934-12-31
1935	1935-01-01	1935-12-17
1936	1936-01-15	1936-12-27
1937	1937-02-07	1937-12-28
1938	1938-01-17	1938-11-17
1939	1939-01-04	1939-12-23
1940	1940-01-12	1940-12-14
1943	1943-01-16	1943-11-06
1944	1944-01-25	1944-11-14
1947	1947-01-13	1947-12-08
1948	1948-02-05	1948-12-28
1949	1949-02-08	1949-12-21
1950	1950-01-02	1950-12-26
1951	1951-01-12	1951-12-31
1952	1952-01-01	1952-12-09
1953	1953-01-08	1953-12-08
1954	1954-01-04	1954-12-27
1955	1955-01-05	1955-12-25
1956	1956-01-15	1956-12-08
1957	1957-01-01	1957-12-19
1958	1958-01-25	1958-12-23
1959	1959-02-08	1959-12-31
1961	1961-02-11	1961-12-22
1962	1962-01-04	1962-12-20
1963	1963-01-10	1963-12-11
1964	1964-01-27	1964-12-29
1965	1965-01-15	1965-11-28
1966	1966-01-01	1966-12-27
1967	1967-01-06	1967-12-21
1968	1968-02-21	1968-12-27
1969	1969-01-08	1969-12-24
1970	1970-01-25	1970-12-28
1971	1971-01-03	1971-12-30
1972	1972-01-09	1972-12-23
1973	1973-02-05	1973-12-30
1974	1974-01-08	1974-12-30
1975	1975-01-07	1975-12-15
1976	1976-01-01	1976-11-11
1977	1977-01-27	1977-12-24
1978	1978-01-16	1978-12-20
1979	1979-02-13	1979-12-11
1980	1980-02-15	1980-11-10
1981	1981-02-10	1981-12-27
1982	1982-01-02	1982-12-24
1983	1983-01-31	1983-12-10
1984	1984-02-15	1984-12-31
1985	1985-01-27	1985-12-31
1986	1986-01-18	1986-11-23
1987	1987-02-14	1987-12-25
1988	1988-02-14	1988-12-27
1989	1989-01-02	1989-11-27
1990	1990-01-11	1990-12-30
1991	1991-02-13	1991-12-09
1992	1992-02-14	1992-11-11
1993	1993-02-15	1993-11-19
1994	1994-02-08	1994-12-09
1995	1995-01-12	1995-12-17
1996	1996-01-23	1996-12-13
1997	1997-01-04	1997-11-28
1998	1998-01-21	1998-12-21
1999	1999-01-17	1999-11-23
2000	2000-02-10	2000-12-11
2001	2001-02-15	2001-12-16
2002	2002-01-18	2002-11-10
2003	2003-02-03	2003-11-26
2004	2004-02-23	2004-12-21
2005	2005-01-05	2005-12-28
2010	2010-01-18	2010-12-04

Every Fixed Threshold

Fixed thresholds at San Fernando
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	276	1933	182
35 C (95 F): Days	70	155	1950	77
40 C (104 F): Days	49	12	2005	12
45 C (113 F): Days	1	1	1961	1
90 F (32.2 C): Days	70	220	1935	126
100 F (37.8 C): Days	70	51	1998	6
110 F (43.3 C): Days	4	3	1961	1
0 C (32 F): Ice days (max	1	1	1983	1
0 C (32 F): Frost days (min	57	18	1985	4
-10 C (14 F): Days with min	1	1	1951	1
20 C (68 F): Tropical nights (min	70	199	1949	155
25 C (77 F): Days with min	63	84	1998	56
10 mm (0.39 in): Days with 10 mm or more rain	71	31	1967	13
25 mm (0.98 in): Days with 25 mm or more rain	71	15	1933	5
50 mm (1.97 in): Days with 50 mm or more rain	65	8	1933	1
100 mm (3.94 in): Days with 100 mm or more rain	23	2	1933	2
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1933	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for San Fernando 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 Fernando Threshold Days by Year (MXN00028086)

Key Facts for San Fernando Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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