San Francisco January 31 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	60	53	1.67	n/a
2023	59	41	0.00	n/a
2022	60	48	0.00	n/a
2021	60	50	0.00	n/a
2020	67	51	0.00	n/a
2019	60	53	0.51	n/a
2018	67	50	0.00	n/a
2017	59	47	0.00	n/a
2016	56	48	0.00	n/a
2015	74	52	0.00	n/a
2014	58	48	0.00	n/a
2013	63	48	0.00	0.0
2012	57	47	0.00	0.0
2011	55	45	0.00	0.0
2010	57	48	0.00	n/a
2009	66	46	0.00	n/a
2008	53	46	0.49	n/a
2007	56	48	0.00	n/a
2006	56	44	0.00	n/a
2005	66	46	0.00	0.0
2004	56	44	0.00	n/a
2003	61	51	0.00	n/a
2002	58	40	0.00	n/a
2001	62	42	0.00	n/a
2000	54	50	0.05	n/a
1999	54	45	0.91	0.0
1998	61	51	0.17	n/a
1997	58	50	0.00	n/a
1996	61	51	1.62	n/a
1995	69	56	0.00	n/a
1994	60	46	0.00	n/a
1993	65	44	0.00	n/a
1992	66	48	0.14	n/a
1991	60	46	0.00	n/a
1990	54	43	0.30	n/a
1989	56	46	0.00	n/a
1988	57	43	0.00	n/a
1987	62	45	0.00	n/a
1986	60	55	0.76	n/a
1985	58	43	0.00	n/a
1984	60	48	0.00	n/a
1983	58	46	0.00	n/a
1982	62	45	0.00	n/a
1981	57	44	0.00	n/a
1980	54	48	0.00	n/a
1979	49	42	0.00	n/a
1978	56	47	0.00	n/a
1977	58	44	0.00	n/a
1976	73	52	0.00	n/a
1975	52	44	1.22	n/a
1974	54	48	0.38	n/a
1973	56	47	0.00	0.0
1972	55	39	0.00	0.0
1971	46	41	0.00	0.0
1970	56	48	0.02	0.0
1969	50	40	0.01	0.0
1968	53	43	0.02	0.0
1967	59	49	0.02	0.0
1966	54	48	0.05	0.0
1965	52	45	0.00	0.0
1964	57	46	0.00	0.0
1963	64	56	1.11	0.0
1962	68	51	0.00	0.0
1961	63	55	0.16	0.0
1960	57	51	0.00	0.0
1959	61	46	0.00	0.0
1958	59	47	0.00	0.0
1957	54	40	0.00	0.0
1956	57	44	0.00	0.0
1955	55	47	0.06	0.0
1954	58	46	0.01	0.0
1953	65	50	0.00	0.0
1952	64	52	0.01	0.0
1951	52	40	0.00	0.0
1950	47	38	0.00	0.0
1949	56	42	0.00	0.0
1948	54	45	0.00	n/a
1947	53	42	0.00	0.0
1946	55	41	0.00	0.0
1945	56	50	0.61	0.0
1944	59	52	0.06	0.0
1943	64	46	0.00	0.0
1942	56	50	0.00	0.0
1941	55	47	0.00	0.0
1940	61	54	0.33	0.0
1939	50	40	0.23	0.0
1938	58	48	0.63	0.0
1937	50	39	0.00	0.0
1936	55	49	0.33	0.0
1935	60	47	0.00	0.0
1934	53	45	0.00	0.0
1933	49	43	0.01	0.0
1932	50	42	0.35	0.0
1931	57	53	0.03	0.0
1930	67	50	0.00	0.0
1929	55	49	0.00	0.0
1928	59	47	0.00	0.0
1927	60	45	0.00	0.0
1926	56	50	1.51	0.0
1925	56	49	0.00	0.0
1924	55	46	0.00	0.0
1923	51	39	0.00	0.0
1922	51	38	0.00	0.0
1921	57	43	0.00	0.0

What's the all-time high for San Francisco on 1/31?

For the date of Jan 31, the highest temperature ever reached in San Francisco history is 74 °F which happened in 2015.

Highest Temperatures in San Francisco on January 31

Rank	Temperature	Year
1	74 °F	2015
2	73 °F	1976
3	69 °F	1995
4	68 °F	1962
5	67 °F	1930
5	67 °F	2020
5	67 °F	2018
8	66 °F	1992
8	66 °F	2009
8	66 °F	2005

What's the all-time low for San Francisco on 1/31?

For the date of Jan 31, the lowest temperature ever reached in San Francisco history is 38 °F which has happened 2 times, most recently in 1950.

Lowest Temperatures in San Francisco on January 31

Rank	Temperature	Year
1	38 °F	1950
1	38 °F	1922
3	39 °F	1972
3	39 °F	1923
3	39 °F	1937
6	40 °F	2002
6	40 °F	1939
6	40 °F	1951
6	40 °F	1957
6	40 °F	1969

Lowest High Temperatures in San Francisco on January 31

Rank	Temperature	Year
1	46 °F	1971
2	47 °F	1950
3	49 °F	1933
3	49 °F	1979
5	50 °F	1969
5	50 °F	1932
5	50 °F	1939
5	50 °F	1937
9	51 °F	1922
9	51 °F	1923

What's the most it has ever rained in San Francisco on 1/31?

For the date of Jan 31, the most precipitation ever recorded in San Francisco history is 1.67 inches which happened in 2024.

All-Time Most Precipitation in San Francisco on January 31

Rank	Precipitation	Year
1	1.67 inches	2024
2	1.62 inches	1996
3	1.51 inches	1926
4	1.22 inches	1975
5	1.11 inches	1963
6	0.91 inches	1999
7	0.76 inches	1986
8	0.63 inches	1938
9	0.61 inches	1945
10	0.51 inches	2019

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location