San Francisco - Extreme Daily Rainfall 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
1.24 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
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

San Francisco - Extremes
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