All-time weather records — Oakland, CA

Record high
109.0°F
September 14, 1971
Record low
26.1°F
December 9, 1972
Wettest day
4.75 in
December 31, 2022

Climate change signal in Oakland

22.7%

of Oakland's all-time daily heat records were set in the last decade (83 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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 #
1970s
81
198
1980s
71
56
1990s
32
15
2000s
57
59
2010s
73
28
2020s
52
10

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 1971, the latest in 2026. Period of observation: 1970-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 79.0°F — Jan 18, 2021 30.0°F — Jan 30, 1975 4.74 in — Jan 4, 1982
February 82.9°F — Feb 27, 2026 28.9°F — Feb 5, 1976 3.05 in — Feb 13, 2000
March 91.0°F — Mar 20, 2026 34.0°F — Mar 3, 1976 2.87 in — Mar 31, 1982
April 97.0°F — Apr 29, 1981 37.0°F — Apr 1, 1976 2.07 in — Apr 1, 1974
May 105.1°F — May 12, 1976 43.0°F — May 5, 1975 1.73 in — May 15, 1996
June 107.1°F — Jun 8, 1973 48.0°F — Jun 3, 1976 1.39 in — Jun 4, 2011
July 102.9°F — Jul 13, 1972 51.1°F — Jul 1, 1975 0.95 in — Jul 8, 1974
August 100.0°F — Aug 14, 2020 50.0°F — Aug 17, 1977 1.00 in — Aug 19, 1997
September 109.0°F — Sep 14, 1971 48.0°F — Sep 28, 1986 0.78 in — Sep 16, 1989
October 102.9°F — Oct 1, 1980 43.0°F — Oct 6, 2007 4.28 in — Oct 24, 2021
November 84.0°F — Nov 2, 1997 36.0°F — Nov 25, 2010 4.15 in — Nov 5, 1994
December 75.0°F — Dec 7, 1979 26.1°F — Dec 9, 1972 4.75 in — Dec 31, 2022

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