San Francisco CA Most Rain in a Day for Each Year

This page lists the heaviest rainfalls and wettest days of each year in San Francisco, California. The information answers questions like: When was the last time San Francisco got more than three inches of rain in a single day? What was the heaviest rainfall of 2019?

This page gives the highest daily precipitation for each year in San Francisco and the date that it happened. A date with a plus sign beside it means the same amount of rain also fell on at least one other day earlier that year.

These precipitation extremes were measured in downtown San Francisco and go back to 1921. Since then the biggest one-day rainstorm recorded there dropped 5.54 inches (140.7 millimetres) of water on November 5, 1994.

Most rain in one day for recent years in San Francisco
Inches	Date	Millimetres
1.40	December 18, 2023	35.6
5.46	December 31, 2022	138.7
4.02	October 24, 2021	102.1
1.24	January 16, 2020	31.5
2.49	February 13, 2019	63.2
3.15	January 08, 2018	80.0
1.83	February 20, 2017	46.5
1.31	December 15, 2016	33.3
1.30	December 21, 2015	33.0
3.40	December 11, 2014	86.4
0.78	November 20, 2013	19.8
1.47	March 14, 2012	37.3
1.24	March 24, 2011	31.5
1.24	January 19, 2010	31.5

Highest daily rainfall recorded at San Francisco each year
Inches	Date	Millimetres
2.48	October 13, 2009	63.0
3.19	January 25, 2008	81.0
1.27	February 10, 2007	32.3
2.32	December 12, 2006	58.9
2.15	December 18, 2005	54.6
2.61	December 27, 2004	66.3
2.15	December 29, 2003	54.6
2.99	December 13, 2002	75.9
2.05	November 12, 2001	52.1
2.20	January 24, 2000	55.9
1.67	February 16, 1999	42.4
2.93	February 02, 1998	74.4
1.64	January 01, 1997	41.7
2.77	November 17, 1996	70.4
3.61	December 11, 1995	91.7
5.54	November 05, 1994	140.7
1.95	January 06, 1993	49.5
2.50	March 05, 1992	63.5
1.35	October 26, 1991	34.3
1.42	May 27, 1990	36.1
1.57	March 18, 1989	39.9
1.30	December 20, 1988	33.0
1.41	February 12, 1987	35.8
1.78	February 14, 1986	45.2
2.54	November 24, 1985	64.5
1.73	October 16, 1984	43.9
2.38	December 24, 1983	60.5
3.90	January 04, 1982	99.1
1.96	November 13, 1981	49.8
1.92	January 11, 1980	48.8
2.28	December 24, 1979	57.9
1.77	March 08, 1978	45.0
1.83	November 21, 1977	46.5
2.17	December 30, 1976	55.1
1.38	March 21, 1975	35.1
1.39	January 03, 1974	35.3
2.55	November 05, 1973	64.8
2.14	November 13, 1972	54.4
1.35	March 12, 1971	34.3
1.41	January 20, 1970	35.8
2.49	December 20, 1969	63.2
1.42	March 12, 1968	36.1
2.45	January 21, 1967	62.2
1.08	November 15, 1966	27.4
1.27	December 28, 1965	32.3
1.65	January 20, 1964	41.9
1.71	March 27, 1963	43.4
1.92	October 12, 1962	48.8
1.28	January 25, 1961	32.5
1.68	December 01, 1960	42.7
2.01	September 18, 1959	51.1
2.04	April 02, 1958	51.8
1.27	January 12, 1957	32.3
3.22	January 14, 1956	81.8
2.26	December 22, 1955	57.4
1.48	December 09, 1954	37.6
1.83	April 27, 1953	46.5
1.98	December 19, 1952	50.3
1.59	December 01, 1951	40.4
1.89	November 18, 1950	48.0
1.51	January 19, 1949	38.4
1.31	December 26, 1948	33.3
1.52	March 27, 1947	38.6
1.54	November 19, 1946	39.1
3.11	December 27, 1945	79.0
1.37	November 09, 1944	34.8
1.60	January 20, 1943	40.6
1.91	November 16, 1942	48.5
1.96	December 28, 1941	49.8
2.18	March 30, 1940	55.4
1.83	March 08, 1939	46.5
1.48	February 13, 1938	37.6
1.90	March 21, 1937	48.3
2.02	February 11, 1936	51.3
1.76	February 28, 1935	44.7
1.44	December 13, 1934	36.6
1.27	December 29, 1933	32.3
1.07	December 19, 1932	27.2
1.98	November 14, 1931	50.3
1.24	March 04, 1930	31.5
1.27	December 10, 1929	32.3
1.69	March 23, 1928	42.9
1.46	April 01, 1927	37.1
2.38	January 28, 1926	60.5
1.53	March 30, 1925	38.9
2.85	December 21, 1924	72.4
2.03	April 04, 1923	51.6
2.04	November 06, 1922	51.8
2.40	January 17, 1921	61.0

San Francisco - Extreme Daily Rainfall for Each Year

Reference

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