San Francisco January 21 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	61	53	0.54	n/a
2023	56	42	0.00	n/a
2022	67	49	0.00	n/a
2021	55	42	0.00	n/a
2020	57	51	0.18	n/a
2019	57	49	0.00	n/a
2018	57	45	0.02	n/a
2017	55	48	0.46	n/a
2016	62	52	0.00	n/a
2015	63	48	0.00	n/a
2014	66	49	0.00	n/a
2013	63	45	0.00	0.0
2012	58	48	0.13	0.0
2011	65	49	0.00	0.0
2010	51	43	0.78	n/a
2009	61	52	0.11	n/a
2008	48	43	0.55	n/a
2007	64	47	0.00	n/a
2006	56	46	0.24	n/a
2005	55	43	0.00	0.0
2004	64	46	0.00	n/a
2003	58	49	0.34	n/a
2002	52	46	0.20	n/a
2001	57	43	0.00	n/a
2000	60	49	0.12	n/a
1999	57	49	0.00	0.0
1998	56	45	0.00	n/a
1997	57	48	0.19	n/a
1996	57	47	0.12	n/a
1995	55	47	0.17	n/a
1994	68	49	0.00	n/a
1993	60	51	0.31	n/a
1992	55	40	0.00	n/a
1991	67	51	0.00	n/a
1990	61	43	0.00	n/a
1989	66	46	0.00	n/a
1988	65	44	0.00	n/a
1987	58	42	0.00	n/a
1986	61	50	0.00	n/a
1985	51	43	0.00	n/a
1984	53	46	0.16	n/a
1983	50	45	0.03	n/a
1982	50	44	0.14	n/a
1981	63	55	0.00	n/a
1980	61	46	0.00	n/a
1979	57	48	0.00	n/a
1978	57	53	0.00	n/a
1977	58	51	0.00	n/a
1976	71	51	0.00	n/a
1975	65	45	0.00	n/a
1974	56	48	0.00	n/a
1973	51	43	0.25	0.0
1972	55	51	0.05	0.0
1971	60	45	0.00	0.0
1970	62	60	0.90	0.0
1969	59	49	0.50	0.0
1968	63	47	0.00	0.0
1967	58	47	2.45	0.0
1966	56	43	0.00	0.0
1965	56	49	0.04	0.0
1964	50	42	0.57	0.0
1963	56	41	0.00	0.0
1962	40	32	0.00	0.0
1961	54	42	0.00	0.0
1960	55	50	0.21	0.0
1959	57	46	0.00	0.0
1958	57	46	0.00	0.0
1957	56	43	0.00	0.0
1956	54	50	0.00	0.0
1955	58	42	0.00	0.0
1954	52	47	0.00	0.0
1953	56	48	0.00	0.0
1952	54	43	0.14	0.0
1951	59	47	0.35	0.0
1950	65	51	0.14	0.0
1949	48	40	0.22	0.0
1948	62	45	0.00	n/a
1947	59	43	0.00	0.0
1946	56	45	0.00	0.0
1945	53	42	0.00	0.0
1944	62	47	0.00	0.0
1943	61	50	1.41	0.0
1942	62	51	0.15	0.0
1941	58	50	1.00	0.0
1940	47	39	0.00	0.0
1939	61	47	0.00	0.0
1938	62	46	0.00	0.0
1937	43	30	0.00	0.0
1936	61	48	0.00	0.0
1935	51	41	0.00	0.0
1934	58	45	0.00	0.0
1933	53	43	0.92	0.0
1932	60	44	0.00	0.0
1931	54	49	0.19	0.0
1930	54	49	0.00	0.0
1929	51	39	0.00	0.0
1928	54	45	0.05	0.0
1927	52	43	0.00	0.0
1926	58	43	0.00	0.0
1925	64	47	0.00	0.0
1924	62	43	0.00	0.0
1923	50	45	0.00	0.0
1922	49	37	0.00	0.0
1921	54	41	0.00	0.0

What's the all-time high for San Francisco on 1/21?

For the date of Jan 21, the highest temperature ever reached in San Francisco history is 71 °F which happened in 1976.

Highest Temperatures in San Francisco on January 21

Rank	Temperature	Year
1	71 °F	1976
2	68 °F	1994
3	67 °F	2022
3	67 °F	1991
5	66 °F	2014
5	66 °F	1989
7	65 °F	2011
7	65 °F	1975
7	65 °F	1988
7	65 °F	1950

What's the all-time low for San Francisco on 1/21?

For the date of Jan 21, the lowest temperature ever reached in San Francisco history is 30 °F which happened in 1937.

Lowest Temperatures in San Francisco on January 21

Rank	Temperature	Year
1	30 °F	1937
2	32 °F	1962
3	37 °F	1922
4	39 °F	1929
4	39 °F	1940
6	40 °F	1949
6	40 °F	1992
8	41 °F	1935
8	41 °F	1963
8	41 °F	1921

Lowest High Temperatures in San Francisco on January 21

Rank	Temperature	Year
1	40 °F	1962
2	43 °F	1937
3	47 °F	1940
4	48 °F	2008
4	48 °F	1949
6	49 °F	1922
7	50 °F	1923
7	50 °F	1983
7	50 °F	1964
7	50 °F	1982

What's the most it has ever rained in San Francisco on 1/21?

For the date of Jan 21, the most precipitation ever recorded in San Francisco history is 2.45 inches which happened in 1967.

All-Time Most Precipitation in San Francisco on January 21

Rank	Precipitation	Year
1	2.45 inches	1967
2	1.41 inches	1943
3	1.00 inches	1941
4	0.92 inches	1933
5	0.90 inches	1970
6	0.78 inches	2010
7	0.57 inches	1964
8	0.55 inches	2008
9	0.54 inches	2024
10	0.50 inches	1969

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location