San Francisco August 20 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	83	58	0.00	n/a
2022	69	56	0.00	n/a
2021	64	59	0.00	n/a
2020	72	54	0.00	n/a
2019	65	59	0.00	n/a
2018	61	54	0.00	n/a
2017	70	59	0.00	n/a
2016	63	57	0.00	n/a
2015	65	60	0.00	n/a
2014	67	60	0.00	n/a
2013	69	57	0.00	0.0
2012	61	52	0.00	0.0
2011	67	54	0.00	n/a
2010	62	53	0.00	n/a
2009	65	56	0.00	n/a
2008	71	57	0.00	n/a
2007	69	58	0.00	n/a
2006	61	53	0.00	0.0
2005	61	54	0.00	n/a
2004	70	58	0.00	n/a
2003	70	58	0.00	n/a
2002	65	53	0.00	n/a
2001	60	52	0.00	n/a
2000	68	52	0.00	0.0
1999	66	55	0.00	0.0
1998	62	54	0.00	0.0
1997	71	57	0.19	n/a
1996	71	55	0.00	n/a
1995	73	58	0.00	n/a
1994	72	54	0.00	n/a
1993	71	57	0.00	n/a
1992	65	52	0.00	n/a
1991	66	57	0.00	n/a
1990	72	58	0.00	n/a
1989	70	56	0.00	n/a
1988	70	57	0.00	n/a
1987	71	57	0.00	n/a
1986	65	56	0.00	n/a
1985	68	58	0.00	n/a
1984	69	55	0.00	n/a
1983	75	60	0.00	n/a
1982	67	52	0.00	n/a
1981	64	54	0.00	n/a
1980	65	54	0.00	n/a
1979	69	57	0.00	n/a
1978	66	57	0.00	n/a
1977	63	56	0.00	n/a
1976	79	59	0.00	n/a
1975	65	52	0.00	n/a
1974	78	55	0.00	n/a
1973	63	52	0.00	0.0
1972	70	60	0.00	0.0
1971	64	55	0.00	0.0
1970	56	51	0.00	0.0
1969	67	52	0.00	0.0
1968	67	59	0.00	0.0
1967	58	52	0.00	0.0
1966	61	52	0.00	0.0
1965	66	56	0.00	0.0
1964	72	55	0.00	0.0
1963	72	56	0.00	0.0
1962	66	53	0.00	0.0
1961	65	59	0.00	0.0
1960	62	52	0.00	0.0
1959	64	56	0.00	0.0
1958	66	55	0.00	0.0
1957	59	53	0.00	0.0
1956	62	53	0.00	0.0
1955	60	49	0.00	0.0
1954	62	55	0.03	0.0
1953	62	54	0.00	0.0
1952	65	53	0.00	0.0
1951	63	55	0.00	0.0
1950	62	52	0.00	0.0
1949	66	53	0.00	0.0
1948	74	56	0.00	0.0
1947	65	55	0.00	0.0
1946	62	54	0.00	0.0
1945	74	53	0.00	0.0
1944	58	52	0.00	0.0
1943	64	55	0.00	0.0
1942	66	55	0.00	0.0
1941	61	57	0.02	0.0
1940	63	54	0.00	0.0
1939	67	59	0.00	0.0
1938	63	54	0.00	0.0
1937	62	55	0.00	0.0
1936	65	55	0.00	0.0
1935	65	51	0.00	0.0
1934	68	58	0.00	0.0
1933	67	53	0.00	0.0
1932	67	54	0.00	0.0
1931	66	53	0.00	0.0
1930	77	55	0.00	0.0
1929	62	54	0.00	0.0
1928	69	52	0.00	0.0
1927	69	54	0.00	0.0
1926	68	54	0.00	0.0
1925	63	54	0.00	0.0
1924	70	54	0.00	0.0
1923	70	58	0.00	0.0
1922	66	53	0.00	0.0
1921	64	55	0.00	0.0

What's the all-time high for San Francisco on 8/20?

For the date of Aug 20, the highest temperature ever reached in San Francisco history is 83 °F which happened in 2023.

Highest Temperatures in San Francisco on August 20

Rank	Temperature	Year
1	83 °F	2023
2	79 °F	1976
3	78 °F	1974
4	77 °F	1930
5	75 °F	1983
6	74 °F	1948
6	74 °F	1945
8	73 °F	1995
9	72 °F	1994
9	72 °F	1963
9	72 °F	1964
9	72 °F	2020
9	72 °F	1990

What's the all-time low for San Francisco on 8/20?

For the date of Aug 20, the lowest temperature ever reached in San Francisco history is 49 °F which happened in 1955.

Lowest Temperatures in San Francisco on August 20

Rank	Temperature	Year
1	49 °F	1955
2	51 °F	1935
2	51 °F	1970
4	52 °F	1967
4	52 °F	1969
4	52 °F	1975
4	52 °F	1928
4	52 °F	1973
4	52 °F	1960
4	52 °F	1944
4	52 °F	1966
4	52 °F	2000
4	52 °F	1992
4	52 °F	2001
4	52 °F	1982
4	52 °F	1950
4	52 °F	2012

Lowest High Temperatures in San Francisco on August 20

Rank	Temperature	Year
1	56 °F	1970
2	58 °F	1967
2	58 °F	1944
4	59 °F	1957
5	60 °F	1955
5	60 °F	2001
7	61 °F	2005
7	61 °F	1941
7	61 °F	2006
7	61 °F	2018
7	61 °F	2012
7	61 °F	1966

What's the most it has ever rained in San Francisco on 8/20?

For the date of Aug 20, the most precipitation ever recorded in San Francisco history is 0.19 inches which happened in 1997.

All-Time Most Precipitation in San Francisco on August 20

Rank	Precipitation	Year
1	0.19 inches	1997
2	0.03 inches	1954
3	0.02 inches	1941

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location