San Francisco CA Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in San Francisco, California. How hot did it get in 2019? How often do thermometers in San Francisco rise above 100 °F? What was the highest temperature in San Francisco five decades ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in San Francisco and the date that it happened. A date with a plus sign beside it means it was that hot on at least one other day earlier that year.

These temperature extremes were measured in downtown San Francisco and go back to 1921. The highest temperature recorded during that time there was 106 degrees Fahrenheit (41 Celsius) on September 1, 2017.

Highest San Francisco temperatures in recent years
Max °F	Date	Max °C
–	2023	–
98	September 06, 2022	37
85	October 03, 2021 +	29
100	September 06, 2020	38
97	June 10, 2019	36
83	September 20, 2018	28
106	September 01, 2017	41
92	September 25, 2016	33
95	September 08, 2015	35
92	October 03, 2014	33
88	May 02, 2013	31
94	October 02, 2012	34
88	September 28, 2011 +	31
98	August 24, 2010	37

Highest temperature recorded at San Francisco each year
Max °F	Date	Max °C
96	August 28, 2009	36
97	June 20, 2008	36
88	May 07, 2007	31
87	July 22, 2006	31
87	March 11, 2005	31
96	September 05, 2004	36
97	September 21, 2003	36
91	October 07, 2002	33
96	September 30, 2001	36
103	June 14, 2000	39
92	September 28, 1999	33
86	August 03, 1998	30
97	September 23, 1997	36
99	October 08, 1996	37
97	June 24, 1995	36
92	September 15, 1994	33
95	August 27, 1993 +	35
94	October 10, 1992 +	34
96	October 10, 1991	36
92	June 08, 1990	33
97	June 22, 1989	36
93	October 17, 1988 +	34
102	October 05, 1987	39
91	June 09, 1986	33
97	October 03, 1985	36
100	September 08, 1984	38
98	September 12, 1983	37
87	August 06, 1982	31
89	April 29, 1981	32
97	October 01, 1980	36
98	September 11, 1979	37
92	October 13, 1978 +	33
85	July 30, 1977	29
95	June 24, 1976	35
93	May 29, 1975	34
89	October 17, 1974	32
93	June 20, 1973	34
92	July 14, 1972	33
101	September 14, 1971	38
92	September 26, 1970 +	33
82	September 25, 1969	28
96	August 29, 1968	36
87	September 20, 1967 +	31
95	September 28, 1966	35
90	October 24, 1965	32
92	September 24, 1964	33
88	September 26, 1963 +	31
88	June 19, 1962	31
94	October 15, 1961	34
89	September 25, 1960	32
92	July 10, 1959	33
92	September 26, 1958	33
88	September 07, 1957	31
91	May 16, 1956	33
88	September 01, 1955	31
93	September 25, 1954	34
89	September 13, 1953	32
90	September 01, 1952	32
89	September 08, 1951	32
90	September 03, 1950	32
92	June 04, 1949	33
84	October 17, 1948	29
92	September 20, 1947	33
91	September 22, 1946	33
87	June 16, 1945	31
91	September 09, 1944	33
96	September 21, 1943 +	36
88	June 28, 1942 +	31
89	May 10, 1941	32
84	October 11, 1940	29
97	September 22, 1939 +	36
89	September 09, 1938	32
89	September 25, 1937	32
91	September 07, 1936	33
89	September 17, 1935 +	32
95	June 29, 1934	35
92	October 05, 1933	33
100	September 09, 1932	38
95	July 04, 1931	35
92	October 06, 1930	33
95	June 21, 1929	35
99	September 21, 1928	37
93	June 30, 1927	34
89	April 25, 1926	32
95	June 24, 1925	35
88	September 11, 1924 +	31
87	September 05, 1923	31
91	September 08, 1922	33
94	July 06, 1921	34

San Francisco - Highest Temperature for Each Year

Reference

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