San Francisco July 20 Weather Records

Daily averages and all-time records for weather in San Francisco, California for the date of July 20.
July 20 All-Time Records
1921–2024
Highest temperature 89 °F 1996
Lowest temperature 50 °F 1981
Lowest daily high 58 °F 1970
Highest daily low 61 °F 2015
Most precipitation none -
July 20 Average Weather
1991–2020 1
Average high 67.1 °F
Average low 54.9 °F
Chance precipitation 2.9%
San Francisco July 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 68 53 0.00 n/a
2022 62 51 0.00 n/a
2021 62 55 0.00 n/a
2020 61 56 0.00 n/a
2019 66 57 0.00 n/a
2018 71 57 0.00 n/a
2017 65 54 0.00 n/a
2016 63 54 0.00 0.0
2015 72 61 0.00 n/a
2014 67 58 0.00 n/a
2013 66 52 0.00 0.0
2012 67 56 0.00 0.0
2011 75 56 0.00 0.0
2010 60 52 0.00 0.0
2009 61 53 0.00 n/a
2008 59 51 0.00 n/a
2007 69 57 0.00 0.0
2006 73 57 0.00 n/a
2005 66 55 0.00 0.0
2004 66 58 0.00 0.0
2003 69 55 0.00 n/a
2002 63 53 0.00 n/a
2001 64 54 0.00 n/a
2000 61 51 0.00 n/a
1999 64 56 0.00 0.0
1998 62 53 0.00 n/a
1997 65 55 0.00 n/a
1996 89 57 0.00 n/a
1995 68 60 0.00 n/a
1994 64 55 0.00 n/a
1993 68 54 0.00 n/a
1992 72 59 0.00 n/a
1991 64 56 0.00 n/a
1990 69 57 0.00 n/a
1989 74 55 0.00 n/a
1988 71 57 0.00 n/a
1987 68 54 0.00 n/a
1986 79 55 0.00 n/a
1985 63 56 0.00 n/a
1984 67 57 0.00 n/a
1983 75 56 0.00 n/a
1982 59 52 0.00 n/a
1981 63 50 0.00 n/a
1980 64 55 0.00 n/a
1979 63 54 0.00 n/a
1978 59 51 0.00 n/a
1977 67 55 0.00 n/a
1976 69 54 0.00 n/a
1975 62 56 0.00 n/a
1974 63 53 0.00 n/a
1973 64 56 0.00 n/a
1972 65 57 0.00 0.0
1971 61 53 0.00 0.0
1970 58 52 0.00 0.0
1969 60 51 0.00 0.0
1968 59 53 0.00 0.0
1967 63 55 0.00 0.0
1966 68 53 0.00 0.0
1965 64 54 0.00 0.0
1964 63 51 0.00 0.0
1963 63 53 0.00 0.0
1962 61 52 0.00 0.0
1961 61 52 0.00 0.0
1960 75 53 0.00 0.0
1959 63 53 0.00 0.0
1958 60 54 0.00 0.0
1957 63 54 0.00 0.0
1956 65 54 0.00 0.0
1955 63 51 0.00 0.0
1954 63 52 0.00 0.0
1953 70 52 0.00 0.0
1952 63 54 0.00 0.0
1951 59 52 0.00 0.0
1950 61 50 0.00 0.0
1949 67 53 0.00 0.0
1948 62 53 0.00 0.0
1947 64 53 0.00 0.0
1946 64 56 0.00 0.0
1945 70 56 0.00 0.0
1944 64 52 0.00 0.0
1943 63 57 0.00 0.0
1942 67 57 0.00 0.0
1941 67 56 0.00 0.0
1940 66 55 0.00 0.0
1939 80 53 0.00 0.0
1938 66 55 0.00 0.0
1937 77 54 0.00 0.0
1936 62 52 0.00 0.0
1935 64 52 0.00 0.0
1934 61 52 0.00 0.0
1933 69 56 0.00 0.0
1932 67 51 0.00 0.0
1931 66 52 0.00 0.0
1930 63 52 0.00 0.0
1929 71 52 0.00 0.0
1928 64 52 0.00 0.0
1927 60 50 0.00 0.0
1926 68 54 0.00 0.0
1925 71 58 0.00 0.0
1924 69 56 0.00 0.0
1923 67 56 0.00 0.0
1922 62 55 0.00 0.0
1921 65 51 0.00 0.0
What's the all-time high for San Francisco on 7/20?
For the date of Jul 20, the highest temperature ever reached in San Francisco history is 89 °F which happened in 1996.
Highest Temperatures in San Francisco on July 20
Rank Temperature Year
1 89 °F 1996
2 80 °F 1939
3 79 °F 1986
4 77 °F 1937
5 75 °F 2011
5 75 °F 1983
5 75 °F 1960
8 74 °F 1989
9 73 °F 2006
10 72 °F 2015
10 72 °F 1992
What's the all-time low for San Francisco on 7/20?
For the date of Jul 20, the lowest temperature ever reached in San Francisco history is 50 °F which has happened 3 times, most recently in 1981.
Lowest Temperatures in San Francisco on July 20
Rank Temperature Year
1 50 °F 1981
1 50 °F 1950
1 50 °F 1927
4 51 °F 1932
4 51 °F 1921
4 51 °F 1964
4 51 °F 1955
4 51 °F 2022
4 51 °F 2000
4 51 °F 1969
4 51 °F 1978
4 51 °F 2008
Lowest High Temperatures in San Francisco on July 20
Rank Temperature Year
1 58 °F 1970
2 59 °F 1982
2 59 °F 1968
2 59 °F 1951
2 59 °F 1978
2 59 °F 2008
7 60 °F 1969
7 60 °F 1927
7 60 °F 1958
7 60 °F 2010
Weather Station Details
Years Station Coordinates
1921–2024 Downtown San Francisco location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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