San Rafael April 18 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of April 18.
April 18 All-Time Records
1894–2024
Highest temperature 89 °F 2021
Lowest temperature 28 °F 1894
Lowest daily high 56 °F 1967
Highest daily low 54 °F 2011
Most precipitation 0.55 inches 1965
Most snow none -
April 18 Average Weather
1991–2020 1
Average high 67.3 °F
Average low 47.4 °F
Chance precipitation 20.7%
Chance snow 0%
San Rafael April 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 77 49 0.00 n/a
2023 65 42 0.00 n/a
2022 n/a n/a 0.03 n/a
2021 89 44 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 63 46 0.00 n/a
2017 66 51 0.02 n/a
2016 85 51 0.00 n/a
2015 n/a n/a n/a n/a
2014 75 50 0.00 n/a
2013 77 49 0.00 n/a
2012 70 50 0.00 0.0
2011 59 54 0.00 0.0
2010 75 45 0.00 0.0
2009 82 46 0.00 0.0
2008 68 43 0.00 0.0
2007 57 43 0.00 0.0
2006 68 41 0.00 0.0
2005 64 45 0.00 0.0
2004 n/a n/a n/a 0.0
2003 63 48 0.00 0.0
2002 61 41 0.00 0.0
2001 66 46 0.03 0.0
2000 66 45 0.00 0.0
1999 74 47 0.00 0.0
1998 69 43 0.00 0.0
1997 63 52 0.24 0.0
1996 61 43 0.01 0.0
1995 59 43 0.00 0.0
1994 74 53 0.00 0.0
1993 64 42 0.01 0.0
1992 76 48 0.00 0.0
1991 n/a n/a 0.00 0.0
1990 68 51 0.00 0.0
1989 76 51 0.00 0.0
1988 63 50 0.00 0.0
1987 62 46 0.00 0.0
1986 64 46 0.00 0.0
1985 65 47 0.00 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 74 48 0.00 0.0
1979 71 45 0.00 0.0
1978 67 44 0.00 0.0
1977 78 42 0.00 0.0
1976 67 48 0.00 0.0
1975 59 46 0.00 0.0
1974 60 48 0.02 0.0
1973 60 37 0.00 0.0
1972 66 44 0.00 0.0
1971 63 45 0.00 0.0
1970 67 45 0.00 0.0
1969 67 46 0.00 0.0
1968 74 42 0.00 0.0
1967 56 38 0.33 0.0
1966 69 42 0.00 0.0
1965 62 n/a 0.55 0.0
1964 62 42 0.00 0.0
1963 58 43 0.00 0.0
1962 77 48 0.00 0.0
1961 59 46 0.00 0.0
1960 n/a 46 0.00 0.0
1959 73 43 0.00 0.0
1958 70 53 0.00 0.0
1957 n/a n/a n/a n/a
1956 n/a n/a n/a n/a
1955 57 39 0.17 0.0
1954 88 51 0.00 0.0
1953 74 42 0.00 0.0
1952 83 48 0.00 0.0
1951 67 41 0.00 0.0
1950 86 45 0.00 0.0
1949 63 49 0.00 0.0
1948 73 44 0.00 0.0
1947 78 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 66 43 0.30 0.0
1904 70 40 0.12 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 65 38 0.00 n/a
1894 76 28 0.00 n/a
What's the all-time high for San Rafael on 4/18?
For the date of Apr 18, the highest temperature ever reached in San Rafael history is 89 °F which happened in 2021.
Highest Temperatures in San Rafael on April 18
Rank Temperature Year
1 89 °F 2021
2 88 °F 1954
3 86 °F 1950
4 85 °F 2016
5 83 °F 1952
6 82 °F 2009
7 78 °F 1977
7 78 °F 1947
9 77 °F 1962
9 77 °F 2013
9 77 °F 2024
What's the all-time low for San Rafael on 4/18?
For the date of Apr 18, the lowest temperature ever reached in San Rafael history is 28 °F which happened in 1894.
Lowest Temperatures in San Rafael on April 18
Rank Temperature Year
1 28 °F 1894
2 37 °F 1973
3 38 °F 1895
3 38 °F 1967
5 39 °F 1955
6 40 °F 1904
7 41 °F 2002
7 41 °F 1951
7 41 °F 2006
10 42 °F 1964
10 42 °F 1977
10 42 °F 1993
10 42 °F 1966
10 42 °F 1968
10 42 °F 1953
10 42 °F 2023
Lowest High Temperatures in San Rafael on April 18
Rank Temperature Year
1 56 °F 1967
2 57 °F 2007
2 57 °F 1955
4 58 °F 1963
5 59 °F 1961
5 59 °F 1995
5 59 °F 1975
5 59 °F 2011
9 60 °F 1974
9 60 °F 1973
What's the most it has ever rained in San Rafael on 4/18?
For the date of Apr 18, the most precipitation ever recorded in San Rafael history is 0.55 inches which happened in 1965.
All-Time Most Precipitation in San Rafael on April 18
Rank Precipitation Year
1 0.55 inches 1965
2 0.33 inches 1967
3 0.30 inches 1905
4 0.24 inches 1997
5 0.17 inches 1955
6 0.12 inches 1904
7 0.03 inches 2022
7 0.03 inches 2001
9 0.02 inches 2017
9 0.02 inches 1974
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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