San Francisco July 31 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	67	55	0.00	n/a
2022	66	58	0.00	n/a
2021	66	57	0.00	n/a
2020	64	55	0.00	n/a
2019	68	56	0.00	n/a
2018	61	52	0.00	n/a
2017	63	55	0.00	n/a
2016	65	54	0.00	0.0
2015	67	60	0.00	n/a
2014	66	56	0.00	n/a
2013	63	53	0.00	0.0
2012	67	55	0.00	n/a
2011	64	57	0.00	n/a
2010	61	53	0.00	0.0
2009	62	54	0.00	n/a
2008	63	55	0.00	n/a
2007	65	54	0.00	0.0
2006	64	57	0.00	n/a
2005	66	55	0.00	0.0
2004	63	55	0.00	0.0
2003	70	55	0.00	n/a
2002	66	55	0.00	n/a
2001	68	53	0.00	n/a
2000	71	53	0.00	n/a
1999	60	53	0.00	0.0
1998	69	57	0.00	n/a
1997	68	56	0.00	n/a
1996	73	56	0.00	n/a
1995	83	60	0.00	n/a
1994	64	55	0.00	n/a
1993	n/a	63	0.00	n/a
1992	68	56	0.00	n/a
1991	67	55	0.00	n/a
1990	65	54	0.00	n/a
1989	70	55	0.00	n/a
1988	70	59	0.00	n/a
1987	83	55	0.00	n/a
1986	73	56	0.00	n/a
1985	72	59	0.00	n/a
1984	64	53	0.00	n/a
1983	70	56	0.00	n/a
1982	64	52	0.00	n/a
1981	57	52	0.00	n/a
1980	75	58	0.00	n/a
1979	64	53	0.00	n/a
1978	66	53	0.00	n/a
1977	81	59	0.00	n/a
1976	63	58	0.00	n/a
1975	77	55	0.00	n/a
1974	60	54	0.00	n/a
1973	62	52	0.00	n/a
1972	62	55	0.00	0.0
1971	61	55	0.00	0.0
1970	59	52	0.00	0.0
1969	64	50	0.00	0.0
1968	62	53	0.00	0.0
1967	64	56	0.00	0.0
1966	79	51	0.00	0.0
1965	66	56	0.00	0.0
1964	65	53	0.00	0.0
1963	61	54	0.00	0.0
1962	58	52	0.00	0.0
1961	59	53	0.00	0.0
1960	61	53	0.00	0.0
1959	64	55	0.00	0.0
1958	67	56	0.00	0.0
1957	66	54	0.00	0.0
1956	60	52	0.00	0.0
1955	60	49	0.00	0.0
1954	57	50	0.00	0.0
1953	58	51	0.00	0.0
1952	67	54	0.00	0.0
1951	60	51	0.00	0.0
1950	67	56	0.00	0.0
1949	68	57	0.03	0.0
1948	60	52	0.00	0.0
1947	66	57	0.00	0.0
1946	74	56	0.00	0.0
1945	61	52	0.00	0.0
1944	60	54	0.00	0.0
1943	59	50	0.00	0.0
1942	62	54	0.00	0.0
1941	64	57	0.00	0.0
1940	64	55	0.00	0.0
1939	64	55	0.00	0.0
1938	74	56	0.00	0.0
1937	61	53	0.00	0.0
1936	60	52	0.00	0.0
1935	66	53	0.00	0.0
1934	61	53	0.00	0.0
1933	64	53	0.00	0.0
1932	65	52	0.00	0.0
1931	63	51	0.00	0.0
1930	77	55	0.00	0.0
1929	67	56	0.00	0.0
1928	59	51	0.00	0.0
1927	59	53	0.00	0.0
1926	70	55	0.00	0.0
1925	64	51	0.00	0.0
1924	70	56	0.00	0.0
1923	65	55	0.00	0.0
1922	62	51	0.00	0.0
1921	64	50	0.00	0.0

What's the all-time high for San Francisco on 7/31?

For the date of Jul 31, the highest temperature ever reached in San Francisco history is 83 °F which has happened 2 times, most recently in 1995.

Highest Temperatures in San Francisco on July 31

Rank	Temperature	Year
1	83 °F	1987
1	83 °F	1995
3	81 °F	1977
4	79 °F	1966
5	77 °F	1975
5	77 °F	1930
7	75 °F	1980
8	74 °F	1938
8	74 °F	1946
10	73 °F	1986
10	73 °F	1996

What's the all-time low for San Francisco on 7/31?

For the date of Jul 31, the lowest temperature ever reached in San Francisco history is 49 °F which happened in 1955.

Lowest Temperatures in San Francisco on July 31

Rank	Temperature	Year
1	49 °F	1955
2	50 °F	1969
2	50 °F	1943
2	50 °F	1954
2	50 °F	1921
6	51 °F	1925
6	51 °F	1928
6	51 °F	1966
6	51 °F	1953
6	51 °F	1931
6	51 °F	1922
6	51 °F	1951

Lowest High Temperatures in San Francisco on July 31

Rank	Temperature	Year
1	57 °F	1981
1	57 °F	1954
3	58 °F	1962
3	58 °F	1953
5	59 °F	1943
5	59 °F	1961
5	59 °F	1927
5	59 °F	1928
5	59 °F	1970
10	60 °F	1956
10	60 °F	1948
10	60 °F	1936
10	60 °F	1955
10	60 °F	1944
10	60 °F	1951
10	60 °F	1974
10	60 °F	1999

What's the most it has ever rained in San Francisco on 7/31?

For the date of Jul 31, the most precipitation ever recorded in San Francisco history is 0.03 inches which happened in 1949.

All-Time Most Precipitation in San Francisco on July 31

Rank	Precipitation	Year
1	0.03 inches	1949

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location