All-time weather records — San Rafael, CA

Record high
109.9°F
June 14, 1961
Record low
0.0°F
October 9, 1992
Wettest day
8.74 in
December 11, 1995

Climate change signal in San Rafael

15.3%

of San Rafael's all-time daily heat records were set in the last decade (56 of 366 records since 2015).

0.3%

of all-time daily cold records were set in the last decade (1 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 #
1890s
7
176
1900s
7
25
1940s
9
19
1950s
61
43
1960s
63
19
1970s
56
32
1980s
35
8
1990s
26
33
2000s
23
6
2010s
38
4
2020s
41
1

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 1894, the latest in 2026. Period of observation: 1894-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 9, 1962 19.9°F — Jan 15, 1993 7.47 in — Jan 21, 1967
February 82.9°F — Feb 23, 2021 21.0°F — Feb 15, 1993 6.32 in — Feb 12, 1904
March 91.9°F — Mar 20, 2026 23.0°F — Mar 2, 1993 3.99 in — Mar 19, 1953
April 91.9°F — Apr 30, 1996 27.0°F — Apr 21, 1894 4.39 in — Apr 25, 1896
May 100.0°F — May 12, 1976 27.0°F — May 7, 1993 2.00 in — May 18, 1957
June 109.9°F — Jun 14, 1961 28.0°F — Jun 11, 1894 1.97 in — Jun 2, 1967
July 109.0°F — Jul 13, 1972 34.0°F — Jul 2, 1975 1.36 in — Jul 8, 1974
August 105.1°F — Aug 3, 1998 39.9°F — Aug 27, 1992 0.75 in — Aug 11, 1965
September 109.9°F — Sep 1, 2017 32.0°F — Sep 30, 1894 4.39 in — Sep 18, 1959
October 108.0°F — Oct 7, 2024 0.0°F — Oct 9, 1992 5.69 in — Oct 13, 2009
November 88.0°F — Nov 4, 1980 25.0°F — Nov 18, 1894 6.50 in — Nov 21, 1977
December 79.0°F — Dec 26, 1967 8.1°F — Dec 18, 1992 8.74 in — Dec 11, 1995

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