San Francisco January 18 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	58	49	0.00	n/a
2023	56	45	0.10	n/a
2022	57	49	0.00	n/a
2021	76	53	0.00	n/a
2020	54	46	0.00	n/a
2019	62	52	0.00	n/a
2018	56	50	0.43	n/a
2017	53	47	0.85	n/a
2016	62	53	0.23	n/a
2015	63	53	0.00	n/a
2014	69	49	0.00	n/a
2013	64	46	0.00	0.0
2012	53	41	0.00	0.0
2011	62	47	0.00	0.0
2010	56	49	0.99	n/a
2009	68	51	0.00	n/a
2008	63	44	0.00	n/a
2007	57	39	0.00	n/a
2006	56	48	0.14	n/a
2005	53	43	0.00	0.0
2004	57	47	0.00	n/a
2003	61	45	0.00	n/a
2002	59	41	0.00	n/a
2001	56	41	0.00	n/a
2000	60	49	0.43	n/a
1999	57	53	0.89	0.0
1998	60	48	1.67	n/a
1997	54	45	0.00	n/a
1996	59	51	0.37	n/a
1995	58	45	0.00	n/a
1994	69	46	0.00	n/a
1993	58	48	0.17	n/a
1992	65	44	0.00	n/a
1991	66	47	0.00	n/a
1990	63	43	0.00	n/a
1989	65	46	0.00	n/a
1988	57	47	0.03	n/a
1987	60	44	0.00	n/a
1986	60	56	0.00	n/a
1985	53	42	0.00	n/a
1984	51	41	0.00	n/a
1983	54	50	1.34	n/a
1982	54	42	0.10	n/a
1981	64	51	0.00	n/a
1980	56	48	0.00	n/a
1979	56	46	0.01	n/a
1978	56	52	0.67	n/a
1977	49	40	0.00	n/a
1976	66	46	0.00	n/a
1975	58	44	0.00	n/a
1974	61	55	0.07	n/a
1973	58	48	1.13	0.0
1972	51	44	0.00	0.0
1971	66	52	0.00	0.0
1970	59	53	0.00	0.0
1969	59	45	1.51	0.0
1968	58	45	0.00	0.0
1967	52	44	0.00	0.0
1966	56	45	0.00	0.0
1965	57	49	0.00	0.0
1964	54	49	0.15	0.0
1963	53	44	0.00	0.0
1962	53	47	0.07	0.0
1961	51	42	0.00	0.0
1960	49	46	0.01	0.0
1959	53	46	0.00	0.0
1958	66	44	0.01	0.0
1957	58	44	0.00	0.0
1956	55	48	0.23	0.0
1955	50	41	0.29	0.0
1954	52	46	0.07	0.0
1953	57	52	0.39	0.0
1952	54	41	0.00	0.0
1951	55	47	1.04	0.0
1950	60	53	0.00	0.0
1949	50	43	0.04	0.0
1948	68	46	0.00	n/a
1947	54	40	0.00	0.0
1946	60	43	0.00	0.0
1945	56	44	0.00	0.0
1944	69	47	0.00	0.0
1943	49	39	0.00	0.0
1942	55	43	0.00	0.0
1941	60	48	0.00	0.0
1940	46	38	0.00	0.0
1939	56	46	0.00	0.0
1938	55	49	0.25	0.0
1937	52	43	0.15	0.0
1936	56	45	0.00	0.0
1935	51	40	0.53	0.0
1934	51	41	0.00	0.0
1933	53	42	1.17	0.0
1932	51	44	0.03	0.0
1931	57	45	0.00	0.0
1930	56	49	0.16	0.0
1929	55	44	0.12	0.0
1928	51	40	0.00	0.0
1927	56	44	0.01	0.0
1926	52	41	0.00	0.0
1925	53	45	0.00	0.0
1924	57	43	0.00	0.0
1923	54	43	0.00	0.0
1922	44	34	0.00	0.0
1921	51	47	0.87	0.0

What's the all-time high for San Francisco on 1/18?

For the date of Jan 18, the highest temperature ever reached in San Francisco history is 76 °F which happened in 2021.

Highest Temperatures in San Francisco on January 18

Rank	Temperature	Year
1	76 °F	2021
2	69 °F	1944
2	69 °F	2014
2	69 °F	1994
5	68 °F	2009
5	68 °F	1948
7	66 °F	1971
7	66 °F	1991
7	66 °F	1958
7	66 °F	1976

What's the all-time low for San Francisco on 1/18?

For the date of Jan 18, the lowest temperature ever reached in San Francisco history is 34 °F which happened in 1922.

Lowest Temperatures in San Francisco on January 18

Rank	Temperature	Year
1	34 °F	1922
2	38 °F	1940
3	39 °F	1943
3	39 °F	2007
5	40 °F	1928
5	40 °F	1947
5	40 °F	1977
5	40 °F	1935
9	41 °F	2012
9	41 °F	1952
9	41 °F	1984
9	41 °F	1926
9	41 °F	2002
9	41 °F	1934
9	41 °F	1955
9	41 °F	2001

Lowest High Temperatures in San Francisco on January 18

Rank	Temperature	Year
1	44 °F	1922
2	46 °F	1940
3	49 °F	1977
3	49 °F	1960
3	49 °F	1943
6	50 °F	1949
6	50 °F	1955
8	51 °F	1961
8	51 °F	1921
8	51 °F	1934
8	51 °F	1928
8	51 °F	1984
8	51 °F	1932
8	51 °F	1972
8	51 °F	1935

What's the most it has ever rained in San Francisco on 1/18?

For the date of Jan 18, the most precipitation ever recorded in San Francisco history is 1.67 inches which happened in 1998.

All-Time Most Precipitation in San Francisco on January 18

Rank	Precipitation	Year
1	1.67 inches	1998
2	1.51 inches	1969
3	1.34 inches	1983
4	1.17 inches	1933
5	1.13 inches	1973
6	1.04 inches	1951
7	0.99 inches	2010
8	0.89 inches	1999
9	0.87 inches	1921
10	0.85 inches	2017

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location