San Rafael December 20 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of December 20.
December 20 All-Time Records
1894–2024
Highest temperature 68 °F 1999
Lowest temperature 31 °F 1990
Lowest daily high 42 °F 1993
Highest daily low 58 °F 1980
Most precipitation 3.86 inches 1969
Most snow none -
December 20 Average Weather
1991–2020 1
Average high 55.6 °F
Average low 41.8 °F
Chance precipitation 38.0%
Chance snow 0%
San Rafael December 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 57 52 1.29 n/a
2022 55 40 0.00 n/a
2021 n/a n/a 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 n/a n/a n/a n/a
2017 56 43 0.01 n/a
2016 55 36 0.00 n/a
2015 53 41 0.46 n/a
2014 63 53 0.00 n/a
2013 62 36 0.00 n/a
2012 57 33 0.00 0.0
2011 n/a n/a n/a n/a
2010 52 46 0.25 0.0
2009 55 46 0.01 0.0
2008 48 32 0.00 0.0
2007 55 43 0.20 0.0
2006 n/a n/a 0.00 0.0
2005 59 48 0.56 0.0
2004 48 39 n/a 0.0
2003 54 48 0.66 0.0
2002 55 45 1.04 0.0
2001 52 46 1.05 0.0
2000 59 43 0.00 0.0
1999 68 46 0.00 0.0
1998 n/a n/a 0.08 0.0
1997 57 38 0.02 0.0
1996 54 38 0.12 0.0
1995 59 41 0.00 0.0
1994 47 43 0.00 0.0
1993 42 36 0.00 0.0
1992 48 41 0.00 0.0
1991 53 37 0.00 0.0
1990 45 31 0.00 0.0
1989 42 37 0.00 0.0
1988 51 47 0.54 n/a
1987 60 40 0.00 0.0
1986 54 37 0.02 0.0
1985 42 35 0.00 0.0
1984 54 36 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 66 58 0.00 0.0
1979 55 48 0.54 0.0
1978 54 33 0.00 0.0
1977 50 45 0.00 0.0
1976 63 41 0.00 0.0
1975 62 39 0.00 0.0
1974 50 42 0.00 0.0
1973 54 44 0.00 0.0
1972 59 51 0.01 0.0
1971 54 37 0.00 0.0
1970 54 35 0.78 0.0
1969 65 56 3.86 0.0
1968 52 34 0.00 0.0
1967 54 35 0.00 0.0
1966 49 40 0.00 0.0
1965 58 33 0.00 0.0
1964 n/a n/a n/a 0.0
1963 59 39 0.73 0.0
1962 62 41 0.00 0.0
1961 57 53 0.00 0.0
1960 59 44 0.00 0.0
1959 61 46 0.00 0.0
1958 58 46 0.00 0.0
1957 n/a n/a n/a n/a
1956 49 36 0.00 0.0
1955 60 55 0.75 0.0
1954 46 37 0.00 0.0
1953 65 51 0.01 0.0
1952 56 41 0.00 0.0
1951 51 34 0.00 0.0
1950 59 51 0.00 0.0
1949 56 35 0.00 0.0
1948 53 35 0.00 0.0
1947 56 48 1.05 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 n/a n/a n/a n/a
1904 46 39 0.00 0.0
1903 53 41 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 52 33 2.30 n/a
1894 54 43 0.40 n/a
What's the all-time high for San Rafael on 12/20?
For the date of Dec 20, the highest temperature ever reached in San Rafael history is 68 °F which happened in 1999.
Highest Temperatures in San Rafael on December 20
Rank Temperature Year
1 68 °F 1999
2 66 °F 1980
3 65 °F 1969
3 65 °F 1953
5 63 °F 2014
5 63 °F 1976
7 62 °F 2013
7 62 °F 1962
7 62 °F 1975
10 61 °F 1959
What's the all-time low for San Rafael on 12/20?
For the date of Dec 20, the lowest temperature ever reached in San Rafael history is 31 °F which happened in 1990.
Lowest Temperatures in San Rafael on December 20
Rank Temperature Year
1 31 °F 1990
2 32 °F 2008
3 33 °F 1965
3 33 °F 1895
3 33 °F 1978
3 33 °F 2012
7 34 °F 1951
7 34 °F 1968
9 35 °F 1948
9 35 °F 1970
9 35 °F 1985
9 35 °F 1949
9 35 °F 1967
Lowest High Temperatures in San Rafael on December 20
Rank Temperature Year
1 42 °F 1989
1 42 °F 1993
1 42 °F 1985
4 45 °F 1990
5 46 °F 1904
5 46 °F 1954
7 47 °F 1994
8 48 °F 1992
8 48 °F 2008
8 48 °F 2004
What's the most it has ever rained in San Rafael on 12/20?
For the date of Dec 20, the most precipitation ever recorded in San Rafael history is 3.86 inches which happened in 1969.
All-Time Most Precipitation in San Rafael on December 20
Rank Precipitation Year
1 3.86 inches 1969
2 2.30 inches 1895
3 1.29 inches 2023
4 1.05 inches 2001
4 1.05 inches 1947
6 1.04 inches 2002
7 0.78 inches 1970
8 0.75 inches 1955
9 0.73 inches 1963
10 0.66 inches 2003
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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