San Francisco June 21 Weather Records

Daily averages and all-time records for weather in San Francisco, California for the date of June 21.
June 21 All-Time Records
1921–2024
Highest temperature 95 °F 1929
Lowest temperature 49 °F 1955
Lowest daily high 56 °F 1975
Highest daily low 68 °F 1929
Most precipitation 0.02 inches 1951
June 21 Average Weather
1991–2020 1
Average high 67.4 °F
Average low 53.5 °F
Chance precipitation 3.9%
San Francisco June 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 63 52 0.00 n/a
2022 92 59 0.00 n/a
2021 65 56 0.00 n/a
2020 64 55 0.00 n/a
2019 67 54 0.00 n/a
2018 69 51 0.00 n/a
2017 71 53 0.00 n/a
2016 72 54 0.00 n/a
2015 62 53 0.00 n/a
2014 60 53 0.00 n/a
2013 72 52 0.00 0.0
2012 59 51 0.00 0.0
2011 79 54 0.00 0.0
2010 67 52 0.00 0.0
2009 68 53 0.00 n/a
2008 86 54 0.00 n/a
2007 67 53 0.00 n/a
2006 84 54 0.00 n/a
2005 66 55 0.00 0.0
2004 64 52 0.00 0.0
2003 65 51 0.00 0.0
2002 57 50 0.00 n/a
2001 79 54 0.00 n/a
2000 65 53 0.00 n/a
1999 63 51 0.00 0.0
1998 64 55 0.00 n/a
1997 69 51 0.00 n/a
1996 65 51 0.00 n/a
1995 82 54 0.00 n/a
1994 63 52 0.00 n/a
1993 67 54 0.00 n/a
1992 73 56 0.00 n/a
1991 63 50 0.00 n/a
1990 68 58 0.00 n/a
1989 93 59 0.00 n/a
1988 69 56 0.00 n/a
1987 68 53 0.00 n/a
1986 81 56 0.00 n/a
1985 67 57 0.00 n/a
1984 74 50 0.00 n/a
1983 72 54 0.00 n/a
1982 59 52 0.00 n/a
1981 85 60 0.00 n/a
1980 60 50 0.00 n/a
1979 58 52 0.00 n/a
1978 63 53 0.00 n/a
1977 76 56 0.00 n/a
1976 61 53 0.00 n/a
1975 56 50 0.00 n/a
1974 68 54 0.00 0.0
1973 84 52 0.00 0.0
1972 59 51 0.00 0.0
1971 63 52 0.00 0.0
1970 57 50 0.00 0.0
1969 59 54 0.00 0.0
1968 68 53 0.00 0.0
1967 67 52 0.00 0.0
1966 61 52 0.00 0.0
1965 60 54 0.00 0.0
1964 70 54 0.00 0.0
1963 63 52 0.00 0.0
1962 65 52 0.00 0.0
1961 72 54 0.00 0.0
1960 79 54 0.00 0.0
1959 73 55 0.00 0.0
1958 65 56 0.00 0.0
1957 74 54 0.00 0.0
1956 71 51 0.00 0.0
1955 62 49 0.00 0.0
1954 89 52 0.00 0.0
1953 69 50 0.00 0.0
1952 59 49 0.00 0.0
1951 62 55 0.02 0.0
1950 62 50 0.00 0.0
1949 60 51 0.00 0.0
1948 75 54 0.00 n/a
1947 85 62 0.00 0.0
1946 62 54 0.00 0.0
1945 60 54 0.00 0.0
1944 62 55 0.00 0.0
1943 64 54 0.00 0.0
1942 70 53 0.00 0.0
1941 64 53 0.00 0.0
1940 60 53 0.00 0.0
1939 71 56 0.00 0.0
1938 60 52 0.00 0.0
1937 66 56 0.00 0.0
1936 75 53 0.00 0.0
1935 71 53 0.00 0.0
1934 68 54 0.00 0.0
1933 68 50 0.00 0.0
1932 67 52 0.00 0.0
1931 65 55 0.00 0.0
1930 59 52 0.00 0.0
1929 95 68 0.00 0.0
1928 68 51 0.00 0.0
1927 62 52 0.00 0.0
1926 63 51 0.00 0.0
1925 58 53 0.00 0.0
1924 74 53 0.00 0.0
1923 60 51 0.00 0.0
1922 66 50 0.00 0.0
1921 90 63 0.00 0.0
What's the all-time high for San Francisco on 6/21?
For the date of Jun 21, the highest temperature ever reached in San Francisco history is 95 °F which happened in 1929.
Highest Temperatures in San Francisco on June 21
Rank Temperature Year
1 95 °F 1929
2 93 °F 1989
3 92 °F 2022
4 90 °F 1921
5 89 °F 1954
6 86 °F 2008
7 85 °F 1981
7 85 °F 1947
9 84 °F 2006
9 84 °F 1973
What's the all-time low for San Francisco on 6/21?
For the date of Jun 21, the lowest temperature ever reached in San Francisco history is 49 °F which has happened 2 times, most recently in 1955.
Lowest Temperatures in San Francisco on June 21
Rank Temperature Year
1 49 °F 1955
1 49 °F 1952
3 50 °F 1970
3 50 °F 2002
3 50 °F 1922
3 50 °F 1975
3 50 °F 1984
3 50 °F 1950
3 50 °F 1980
3 50 °F 1991
3 50 °F 1933
3 50 °F 1953
Lowest High Temperatures in San Francisco on June 21
Rank Temperature Year
1 56 °F 1975
2 57 °F 1970
2 57 °F 2002
4 58 °F 1925
4 58 °F 1979
6 59 °F 1972
6 59 °F 2012
6 59 °F 1930
6 59 °F 1952
6 59 °F 1969
6 59 °F 1982
What's the most it has ever rained in San Francisco on 6/21?
For the date of Jun 21, the most precipitation ever recorded in San Francisco history is 0.02 inches which happened in 1951.
All-Time Most Precipitation in San Francisco on June 21
Rank Precipitation Year
1 0.02 inches 1951
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy