San Rafael August 20 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of August 20.
August 20 All-Time Records
1894–2024
Highest temperature 95 °F 1964
Lowest temperature 46 °F 1903
Lowest daily high 65 °F 1959
Highest daily low 62 °F 1968
Most precipitation 0.57 inches 1997
Most snow none -
August 20 Average Weather
1991–2020 1
Average high 80.8 °F
Average low 55.2 °F
Chance precipitation 0.7%
Chance snow 0%
San Rafael August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 94 59 0.00 n/a
2022 n/a n/a 0.00 n/a
2021 80 57 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 69 53 0.00 n/a
2017 76 58 0.00 n/a
2016 79 55 0.00 n/a
2015 78 57 0.00 n/a
2014 70 60 0.00 n/a
2013 79 59 0.00 0.0
2012 80 50 0.00 0.0
2011 n/a n/a n/a n/a
2010 75 52 0.00 0.0
2009 75 55 0.00 0.0
2008 79 61 0.00 0.0
2007 84 61 0.00 0.0
2006 75 52 0.00 0.0
2005 73 54 0.00 0.0
2004 n/a n/a n/a 0.0
2003 79 55 0.00 0.0
2002 79 50 0.00 0.0
2001 68 52 0.00 0.0
2000 82 50 0.00 0.0
1999 80 53 0.00 0.0
1998 74 55 0.00 0.0
1997 77 58 0.57 0.0
1996 79 50 0.00 0.0
1995 85 59 0.00 0.0
1994 82 54 0.00 0.0
1993 77 57 0.00 0.0
1992 87 54 0.00 0.0
1991 79 56 0.00 0.0
1990 78 58 0.00 0.0
1989 n/a n/a n/a n/a
1988 79 55 0.00 0.0
1987 72 53 0.00 0.0
1986 85 55 0.00 0.0
1985 75 54 0.00 0.0
1984 78 53 0.00 0.0
1983 n/a n/a n/a n/a
1982 n/a n/a n/a n/a
1981 n/a n/a n/a n/a
1980 n/a n/a n/a n/a
1979 78 60 0.00 0.0
1978 86 55 0.00 0.0
1977 81 56 0.00 0.0
1976 86 59 0.00 0.0
1975 84 n/a 0.00 0.0
1974 90 55 0.00 0.0
1973 80 47 0.00 0.0
1972 83 59 0.00 0.0
1971 79 55 0.00 0.0
1970 75 51 0.00 0.0
1969 88 53 0.00 0.0
1968 69 62 0.01 0.0
1967 79 52 0.00 0.0
1966 75 53 0.00 0.0
1965 77 54 0.00 0.0
1964 95 51 0.00 0.0
1963 88 57 0.00 0.0
1962 n/a n/a n/a n/a
1961 90 60 0.00 0.0
1960 83 47 0.00 0.0
1959 65 50 0.00 0.0
1958 84 55 0.00 0.0
1957 78 49 0.00 0.0
1956 77 53 0.00 0.0
1955 82 47 0.00 0.0
1954 75 57 0.00 0.0
1953 79 57 0.00 0.0
1952 85 51 0.00 0.0
1951 79 54 0.00 0.0
1950 94 57 0.00 0.0
1949 83 50 0.00 0.0
1948 93 55 0.00 0.0
1947 68 57 0.00 0.0
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 n/a n/a n/a n/a
1935 n/a n/a n/a n/a
1934 n/a n/a n/a n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 75 55 0.00 0.0
1904 92 48 0.00 0.0
1903 79 46 0.00 0.0
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a n/a n/a
1894 n/a n/a n/a n/a
What's the all-time high for San Rafael on 8/20?
For the date of Aug 20, the highest temperature ever reached in San Rafael history is 95 °F which happened in 1964.
Highest Temperatures in San Rafael on August 20
Rank Temperature Year
1 95 °F 1964
2 94 °F 1950
2 94 °F 2023
4 93 °F 1948
5 92 °F 1904
6 90 °F 1961
6 90 °F 1974
8 88 °F 1963
8 88 °F 1969
10 87 °F 1992
What's the all-time low for San Rafael on 8/20?
For the date of Aug 20, the lowest temperature ever reached in San Rafael history is 46 °F which happened in 1903.
Lowest Temperatures in San Rafael on August 20
Rank Temperature Year
1 46 °F 1903
2 47 °F 1955
2 47 °F 1973
2 47 °F 1960
5 48 °F 1904
6 49 °F 1957
7 50 °F 2002
7 50 °F 1996
7 50 °F 2012
7 50 °F 2000
7 50 °F 1959
7 50 °F 1949
Lowest High Temperatures in San Rafael on August 20
Rank Temperature Year
1 65 °F 1959
2 68 °F 1947
2 68 °F 2001
4 69 °F 1968
4 69 °F 2018
6 70 °F 2014
7 72 °F 1987
8 73 °F 2005
9 74 °F 1998
10 75 °F 1905
10 75 °F 1985
10 75 °F 1970
10 75 °F 2009
10 75 °F 2006
10 75 °F 2010
10 75 °F 1966
10 75 °F 1954
What's the most it has ever rained in San Rafael on 8/20?
For the date of Aug 20, the most precipitation ever recorded in San Rafael history is 0.57 inches which happened in 1997.
All-Time Most Precipitation in San Rafael on August 20
Rank Precipitation Year
1 0.57 inches 1997
2 0.01 inches 1968
Weather Station Details
Years Station Coordinates
1894–2024 San Rafael Civic Center location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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