San Rafael May 20 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of May 20.
May 20 All-Time Records
1894–2024
Highest temperature 96 °F 1955
Lowest temperature 35 °F 1894
Lowest daily high 55 °F 2002
Highest daily low 57 °F 1979
Most precipitation 0.84 inches 1957
Most snow none -
May 20 Average Weather
1991–2020 1
Average high 71.9 °F
Average low 50.4 °F
Chance precipitation 8.7%
Chance snow 0%
San Rafael May 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 51 0.00 n/a
2022 n/a n/a 0.00 n/a
2021 72 45 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 63 51 0.00 n/a
2017 89 48 0.00 n/a
2016 61 50 0.00 n/a
2015 65 52 0.00 n/a
2014 73 52 0.00 n/a
2013 89 53 0.00 n/a
2012 82 52 0.00 n/a
2011 68 48 0.00 n/a
2010 64 46 0.00 0.0
2009 68 48 0.00 0.0
2008 70 50 0.00 0.0
2007 68 52 0.00 0.0
2006 68 50 0.01 0.0
2005 68 52 0.00 0.0
2004 n/a n/a n/a 0.0
2003 84 54 0.00 0.0
2002 55 48 0.25 0.0
2001 93 52 0.00 0.0
2000 93 54 0.00 0.0
1999 64 49 0.00 0.0
1998 65 49 0.00 0.0
1997 81 53 0.00 0.0
1996 70 51 0.00 0.0
1995 68 49 0.00 0.0
1994 67 50 0.00 0.0
1993 69 53 0.00 0.0
1992 70 n/a 0.00 0.0
1991 71 45 0.00 0.0
1990 65 54 0.31 0.0
1989 74 46 0.00 0.0
1988 93 54 0.00 0.0
1987 64 49 0.00 0.0
1986 n/a n/a 0.00 0.0
1985 73 51 0.00 0.0
1984 78 55 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 86 54 0.00 0.0
1979 77 57 0.00 0.0
1978 91 53 0.00 0.0
1977 72 48 0.00 0.0
1976 79 41 0.00 0.0
1975 71 47 0.00 0.0
1974 69 56 0.00 0.0
1973 73 51 0.00 0.0
1972 65 51 0.00 0.0
1971 77 47 0.00 0.0
1970 75 46 0.00 0.0
1969 80 47 0.00 0.0
1968 77 54 0.00 0.0
1967 76 49 0.00 0.0
1966 79 49 0.00 0.0
1965 64 48 0.00 0.0
1964 69 52 0.00 0.0
1963 68 49 0.00 0.0
1962 68 46 0.00 0.0
1961 64 51 0.00 0.0
1960 n/a n/a n/a n/a
1959 82 48 0.00 0.0
1958 75 54 0.00 0.0
1957 62 50 0.84 0.0
1956 72 48 0.00 0.0
1955 96 55 0.00 0.0
1954 67 47 0.00 0.0
1953 69 46 0.00 0.0
1952 87 50 0.00 0.0
1951 72 45 0.00 0.0
1950 89 48 0.00 0.0
1949 67 46 0.00 0.0
1948 62 49 0.12 0.0
1947 86 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 69 50 0.00 0.0
1904 89 45 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 68 45 0.00 n/a
1894 70 35 0.30 n/a
What's the all-time high for San Rafael on 5/20?
For the date of May 20, the highest temperature ever reached in San Rafael history is 96 °F which happened in 1955.
Highest Temperatures in San Rafael on May 20
Rank Temperature Year
1 96 °F 1955
2 93 °F 1988
2 93 °F 2000
2 93 °F 2001
5 91 °F 1978
6 89 °F 1904
6 89 °F 2013
6 89 °F 2017
6 89 °F 1950
10 87 °F 1952
What's the all-time low for San Rafael on 5/20?
For the date of May 20, the lowest temperature ever reached in San Rafael history is 35 °F which happened in 1894.
Lowest Temperatures in San Rafael on May 20
Rank Temperature Year
1 35 °F 1894
2 41 °F 1976
3 45 °F 1991
3 45 °F 1904
3 45 °F 1895
3 45 °F 2021
3 45 °F 1951
8 46 °F 2010
8 46 °F 1962
8 46 °F 1970
8 46 °F 1949
8 46 °F 1989
8 46 °F 1953
Lowest High Temperatures in San Rafael on May 20
Rank Temperature Year
1 55 °F 2002
2 61 °F 2016
3 62 °F 1948
3 62 °F 1957
5 63 °F 2018
6 64 °F 1999
6 64 °F 1961
6 64 °F 1965
6 64 °F 2010
6 64 °F 1987
What's the most it has ever rained in San Rafael on 5/20?
For the date of May 20, the most precipitation ever recorded in San Rafael history is 0.84 inches which happened in 1957.
All-Time Most Precipitation in San Rafael on May 20
Rank Precipitation Year
1 0.84 inches 1957
2 0.31 inches 1990
3 0.30 inches 1894
4 0.25 inches 2002
5 0.12 inches 1948
6 0.01 inches 2006
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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