San Rafael April 20 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of April 20.
April 20 All-Time Records
1894–2024
Highest temperature 91 °F 2009
Lowest temperature 35 °F 1894
Lowest daily high 52 °F 1963
Highest daily low 59 °F 2012
Most precipitation 1.27 inches 1955
Most snow none -
April 20 Average Weather
1991–2020 1
Average high 67.7 °F
Average low 47.7 °F
Chance precipitation 20.5%
Chance snow 0%
San Rafael April 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 77 46 0.00 n/a
2023 76 44 0.00 n/a
2022 n/a n/a 0.13 n/a
2021 70 49 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 77 46 0.00 n/a
2017 70 50 0.05 n/a
2016 75 47 0.00 n/a
2015 n/a n/a 0.00 n/a
2014 82 48 0.00 n/a
2013 79 51 0.00 n/a
2012 88 59 0.00 n/a
2011 57 52 0.08 0.0
2010 55 48 0.24 0.0
2009 91 55 0.00 0.0
2008 55 39 0.00 0.0
2007 63 46 0.11 0.0
2006 73 45 0.00 0.0
2005 66 45 0.00 0.0
2004 n/a n/a n/a 0.0
2003 61 48 0.00 0.0
2002 64 43 0.00 0.0
2001 54 43 0.08 0.0
2000 72 50 0.00 0.0
1999 64 49 0.00 0.0
1998 77 48 0.00 0.0
1997 70 57 0.00 0.0
1996 60 40 0.00 0.0
1995 57 46 0.06 0.0
1994 66 47 0.00 0.0
1993 69 43 0.00 0.0
1992 75 55 0.00 0.0
1991 61 50 0.61 0.0
1990 67 51 0.00 0.0
1989 73 52 0.00 0.0
1988 62 49 0.49 0.0
1987 71 47 0.00 0.0
1986 79 51 0.00 0.0
1985 59 46 n/a 0.0
1984 n/a n/a n/a n/a
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 73 50 0.33 0.0
1979 70 42 0.00 0.0
1978 61 46 0.06 0.0
1977 78 45 0.00 0.0
1976 80 48 0.00 0.0
1975 73 42 0.00 0.0
1974 72 47 0.00 0.0
1973 71 50 0.00 0.0
1972 71 40 0.00 0.0
1971 57 49 0.00 0.0
1970 64 43 0.00 0.0
1969 77 46 0.00 0.0
1968 73 45 0.00 0.0
1967 60 39 0.07 0.0
1966 71 42 0.00 0.0
1965 76 n/a 0.00 0.0
1964 64 42 0.00 0.0
1963 52 40 0.35 0.0
1962 67 46 0.00 0.0
1961 61 41 0.00 0.0
1960 70 48 0.00 0.0
1959 70 44 0.00 0.0
1958 80 47 0.00 0.0
1957 n/a n/a n/a n/a
1956 n/a n/a n/a n/a
1955 53 48 1.27 0.0
1954 80 49 0.00 0.0
1953 71 48 0.16 0.0
1952 81 51 0.00 0.0
1951 62 48 0.00 0.0
1950 88 50 0.00 0.0
1949 71 51 0.00 0.0
1948 66 47 0.00 0.0
1947 68 50 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 64 46 0.00 0.0
1904 61 37 0.00 0.0
1903 n/a n/a n/a n/a
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 78 43 0.00 n/a
1894 69 35 0.00 n/a
What's the all-time high for San Rafael on 4/20?
For the date of Apr 20, the highest temperature ever reached in San Rafael history is 91 °F which happened in 2009.
Highest Temperatures in San Rafael on April 20
Rank Temperature Year
1 91 °F 2009
2 88 °F 2012
2 88 °F 1950
4 82 °F 2014
5 81 °F 1952
6 80 °F 1976
6 80 °F 1958
6 80 °F 1954
9 79 °F 2013
9 79 °F 1986
What's the all-time low for San Rafael on 4/20?
For the date of Apr 20, the lowest temperature ever reached in San Rafael history is 35 °F which happened in 1894.
Lowest Temperatures in San Rafael on April 20
Rank Temperature Year
1 35 °F 1894
2 37 °F 1904
3 39 °F 2008
3 39 °F 1967
5 40 °F 1972
5 40 °F 1996
5 40 °F 1963
8 41 °F 1961
9 42 °F 1975
9 42 °F 1979
9 42 °F 1964
9 42 °F 1966
Lowest High Temperatures in San Rafael on April 20
Rank Temperature Year
1 52 °F 1963
2 53 °F 1955
3 54 °F 2001
4 55 °F 2008
4 55 °F 2010
6 57 °F 1995
6 57 °F 1971
6 57 °F 2011
9 59 °F 1985
10 60 °F 1996
10 60 °F 1967
What's the most it has ever rained in San Rafael on 4/20?
For the date of Apr 20, the most precipitation ever recorded in San Rafael history is 1.27 inches which happened in 1955.
All-Time Most Precipitation in San Rafael on April 20
Rank Precipitation Year
1 1.27 inches 1955
2 0.61 inches 1991
3 0.49 inches 1988
4 0.35 inches 1963
5 0.33 inches 1980
6 0.24 inches 2010
7 0.16 inches 1953
8 0.13 inches 2022
9 0.11 inches 2007
10 0.08 inches 2011
10 0.08 inches 2001
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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