San Francisco December 31 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	57	49	0.00	n/a
2022	59	50	5.46	n/a
2021	53	42	0.00	n/a
2020	57	48	0.02	n/a
2019	63	46	0.00	n/a
2018	56	47	0.00	n/a
2017	59	48	0.00	n/a
2016	52	45	0.00	n/a
2015	51	42	0.00	n/a
2014	57	45	0.00	n/a
2013	59	46	0.00	n/a
2012	52	42	0.00	0.0
2011	59	46	0.00	n/a
2010	49	42	0.00	0.0
2009	59	49	0.00	n/a
2008	58	43	0.00	n/a
2007	56	41	0.00	n/a
2006	52	46	0.00	n/a
2005	63	51	2.12	n/a
2004	56	46	0.42	n/a
2003	54	46	0.00	n/a
2002	58	48	0.66	n/a
2001	61	53	0.03	n/a
2000	64	44	0.00	n/a
1999	53	45	0.00	n/a
1998	58	49	0.00	0.0
1997	63	50	0.00	n/a
1996	66	59	0.13	n/a
1995	64	55	0.00	n/a
1994	50	45	0.30	n/a
1993	58	47	0.00	n/a
1992	57	48	0.04	n/a
1991	62	46	0.00	n/a
1990	58	36	0.00	n/a
1989	56	47	0.00	n/a
1988	52	41	0.00	n/a
1987	52	40	0.00	n/a
1986	50	47	0.14	n/a
1985	59	52	0.00	n/a
1984	53	44	0.00	n/a
1983	61	48	0.00	n/a
1982	52	42	0.00	n/a
1981	52	48	0.00	n/a
1980	51	44	0.00	n/a
1979	62	56	0.02	n/a
1978	56	41	0.00	n/a
1977	55	47	0.00	n/a
1976	57	48	0.00	n/a
1975	52	45	0.00	n/a
1974	57	47	0.00	n/a
1973	51	44	0.26	n/a
1972	59	44	0.00	0.0
1971	54	42	0.00	0.0
1970	57	48	0.00	0.0
1969	56	45	0.00	0.0
1968	53	44	0.00	0.0
1967	52	43	0.00	0.0
1966	60	45	0.00	0.0
1965	52	46	0.07	0.0
1964	48	40	0.14	0.0
1963	61	45	0.00	0.0
1962	54	47	0.00	0.0
1961	45	40	0.00	0.0
1960	50	40	0.00	0.0
1959	51	44	0.00	0.0
1958	67	51	0.00	0.0
1957	56	47	0.00	0.0
1956	63	41	0.00	0.0
1955	52	42	0.07	0.0
1954	56	54	0.63	0.0
1953	60	46	0.00	0.0
1952	54	47	0.00	0.0
1951	46	38	0.00	0.0
1950	55	45	0.00	0.0
1949	52	42	0.00	0.0
1948	52	41	0.09	0.0
1947	52	42	0.00	0.0
1946	53	42	0.00	0.0
1945	62	48	0.00	0.0
1944	54	45	0.00	0.0
1943	51	45	0.00	0.0
1942	60	51	0.00	0.0
1941	51	41	0.00	0.0
1940	55	45	0.00	0.0
1939	58	52	0.23	0.0
1938	52	43	0.00	0.0
1937	51	45	0.00	0.0
1936	50	40	0.00	0.0
1935	57	45	0.00	0.0
1934	54	45	0.00	0.0
1933	59	50	0.28	0.0
1932	54	43	0.00	0.0
1931	57	49	0.63	0.0
1930	61	47	0.89	0.0
1929	51	41	0.00	0.0
1928	57	45	0.00	0.0
1927	53	47	0.31	0.0
1926	54	42	0.00	0.0
1925	50	41	0.00	0.0
1924	53	48	0.00	0.0
1923	49	42	0.26	0.0
1922	56	51	0.35	0.0
1921	64	52	0.00	0.0

What's the all-time high for San Francisco on 12/31?

For the date of Dec 31, the highest temperature ever reached in San Francisco history is 67 °F which happened in 1958.

Highest Temperatures in San Francisco on December 31

Rank	Temperature	Year
1	67 °F	1958
2	66 °F	1996
3	64 °F	1995
3	64 °F	2000
3	64 °F	1921
6	63 °F	1997
6	63 °F	1956
6	63 °F	2005
6	63 °F	2019
10	62 °F	1945
10	62 °F	1991
10	62 °F	1979

What's the all-time low for San Francisco on 12/31?

For the date of Dec 31, the lowest temperature ever reached in San Francisco history is 36 °F which happened in 1990.

Lowest Temperatures in San Francisco on December 31

Rank	Temperature	Year
1	36 °F	1990
2	38 °F	1951
3	40 °F	1987
3	40 °F	1936
3	40 °F	1960
3	40 °F	1964
3	40 °F	1961
8	41 °F	1956
8	41 °F	1978
8	41 °F	1929
8	41 °F	1948
8	41 °F	2007
8	41 °F	1925
8	41 °F	1988
8	41 °F	1941

Lowest High Temperatures in San Francisco on December 31

Rank	Temperature	Year
1	45 °F	1961
2	46 °F	1951
3	48 °F	1964
4	49 °F	1923
4	49 °F	2010
6	50 °F	1936
6	50 °F	1960
6	50 °F	1994
6	50 °F	1986
6	50 °F	1925

What's the most it has ever rained in San Francisco on 12/31?

For the date of Dec 31, the most precipitation ever recorded in San Francisco history is 5.46 inches which happened in 2022.

All-Time Most Precipitation in San Francisco on December 31

Rank	Precipitation	Year
1	5.46 inches	2022
2	2.12 inches	2005
3	0.89 inches	1930
4	0.66 inches	2002
5	0.63 inches	1954
5	0.63 inches	1931
7	0.42 inches	2004
8	0.35 inches	1922
9	0.31 inches	1927
10	0.30 inches	1994

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location