All-time weather records — San Fernando, CA

Record high
115.0°F
September 7, 2024
Record low
33.1°F
December 14, 1967
Wettest day
5.74 in
February 11, 1973

Climate change signal in San Fernando

98.6%

of San Fernando's all-time daily heat records were set in the last decade (361 of 366 records since 2015).

95.6%

of all-time daily cold records were set in the last decade (350 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1940s
·
·
1950s
·
·
1960s
5
16
1970s
·
·
1980s
·
·
1990s
·
·
2000s
·
·
2010s
·
·
2020s
361
350

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1967, the latest in 2026. Period of observation: 1943-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 84.0°F — Jan 30, 2024 37.9°F — Jan 27, 2025 4.77 in — Jan 26, 1956
February 89.1°F — Feb 28, 2026 37.0°F — Feb 8, 2024 5.74 in — Feb 11, 1973
March 93.0°F — Mar 25, 2025 39.0°F — Mar 14, 2025 4.35 in — Mar 2, 1983
April 90.0°F — Apr 11, 2025 39.9°F — Apr 6, 2024 2.96 in — Apr 12, 1956
May 100.9°F — May 11, 2025 43.0°F — May 8, 2024 3.46 in — May 9, 1977
June 105.1°F — Jun 24, 2024 51.1°F — Jun 9, 2024 1.12 in — Jun 5, 1993
July 109.9°F — Jul 18, 2023 54.0°F — Jul 6, 2023 0.62 in — Jul 20, 2015
August 108.0°F — Aug 6, 2024 54.0°F — Aug 24, 2024 5.61 in — Aug 21, 2023
September 115.0°F — Sep 7, 2024 52.0°F — Sep 17, 2024 2.21 in — Sep 11, 1976
October 109.0°F — Oct 3, 2024 50.0°F — Oct 13, 2025 2.98 in — Oct 23, 1987
November 95.0°F — Nov 11, 2025 42.1°F — Nov 2, 2023 4.72 in — Nov 29, 1970
December 87.1°F — Dec 12, 2025 33.1°F — Dec 14, 1967 3.43 in — Dec 29, 1965

Click a month to see every daily record for that month in San Fernando.