San Rafael May 18 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of May 18.
May 18 All-Time Records
1894–2024
Highest temperature 93 °F 1997
Lowest temperature 40 °F 1996
Lowest daily high 59 °F 1984
Highest daily low 60 °F 1997
Most precipitation 2.00 inches 1957
Most snow none -
May 18 Average Weather
1991–2020 1
Average high 71.6 °F
Average low 50.3 °F
Chance precipitation 9.0%
Chance snow 0%
San Rafael May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 49 0.00 n/a
2022 n/a n/a 0.00 n/a
2021 80 49 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 72 52 0.00 n/a
2017 82 47 0.00 n/a
2016 90 57 0.00 n/a
2015 64 52 0.00 n/a
2014 69 55 0.00 n/a
2013 73 50 0.00 n/a
2012 76 47 0.00 n/a
2011 n/a n/a n/a 0.0
2010 66 52 0.01 0.0
2009 70 52 0.00 0.0
2008 84 52 0.00 0.0
2007 68 50 0.00 0.0
2006 75 50 0.00 0.0
2005 61 57 1.16 0.0
2004 n/a n/a n/a 0.0
2003 73 48 0.00 0.0
2002 63 48 0.00 0.0
2001 84 52 0.00 0.0
2000 82 51 0.00 0.0
1999 65 50 0.00 0.0
1998 72 44 0.00 0.0
1997 93 60 0.00 0.0
1996 64 40 0.01 0.0
1995 75 50 0.00 0.0
1994 65 48 0.00 0.0
1993 69 50 0.00 0.0
1992 73 56 0.00 0.0
1991 61 47 0.00 0.0
1990 66 48 0.00 0.0
1989 67 48 0.00 0.0
1988 75 50 0.00 0.0
1987 64 50 0.00 0.0
1986 91 48 0.00 0.0
1985 64 50 0.00 0.0
1984 59 51 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 84 50 0.00 0.0
1979 81 52 0.00 0.0
1978 88 55 0.00 0.0
1977 62 45 0.06 0.0
1976 70 45 0.00 0.0
1975 79 46 0.00 0.0
1974 61 45 0.00 0.0
1973 83 50 0.00 0.0
1972 67 47 0.00 0.0
1971 80 51 0.00 0.0
1970 74 48 0.00 0.0
1969 78 46 0.00 0.0
1968 78 54 0.00 0.0
1967 83 51 0.00 0.0
1966 88 52 0.00 0.0
1965 74 46 0.00 0.0
1964 69 42 0.00 0.0
1963 88 50 0.00 0.0
1962 65 49 0.00 0.0
1961 61 53 0.00 0.0
1960 68 49 0.00 0.0
1959 68 48 0.00 0.0
1958 77 50 0.00 0.0
1957 61 57 2.00 0.0
1956 72 50 0.00 0.0
1955 92 51 0.00 0.0
1954 80 47 0.00 0.0
1953 72 49 0.00 0.0
1952 90 50 0.00 0.0
1951 73 49 0.00 0.0
1950 70 44 0.00 0.0
1949 64 49 0.00 0.0
1948 62 48 0.00 0.0
1947 80 48 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 73 60 0.00 0.0
1904 70 48 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 70 46 0.00 n/a
1894 62 49 0.00 n/a
What's the all-time high for San Rafael on 5/18?
For the date of May 18, the highest temperature ever reached in San Rafael history is 93 °F which happened in 1997.
Highest Temperatures in San Rafael on May 18
Rank Temperature Year
1 93 °F 1997
2 92 °F 1955
3 91 °F 1986
4 90 °F 2016
4 90 °F 1952
6 88 °F 1978
6 88 °F 1966
6 88 °F 1963
9 84 °F 2008
9 84 °F 2001
9 84 °F 1980
What's the all-time low for San Rafael on 5/18?
For the date of May 18, the lowest temperature ever reached in San Rafael history is 40 °F which happened in 1996.
Lowest Temperatures in San Rafael on May 18
Rank Temperature Year
1 40 °F 1996
2 42 °F 1964
3 44 °F 1998
3 44 °F 1950
5 45 °F 1977
5 45 °F 1976
5 45 °F 1974
8 46 °F 1975
8 46 °F 1969
8 46 °F 1965
8 46 °F 1895
Lowest High Temperatures in San Rafael on May 18
Rank Temperature Year
1 59 °F 1984
2 61 °F 1991
2 61 °F 2005
2 61 °F 1957
2 61 °F 1974
2 61 °F 1961
7 62 °F 1977
7 62 °F 1894
7 62 °F 1948
10 63 °F 2002
What's the most it has ever rained in San Rafael on 5/18?
For the date of May 18, the most precipitation ever recorded in San Rafael history is 2.00 inches which happened in 1957.
All-Time Most Precipitation in San Rafael on May 18
Rank Precipitation Year
1 2.00 inches 1957
2 1.16 inches 2005
3 0.06 inches 1977
4 0.01 inches 1996
4 0.01 inches 2010
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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