San Rafael May 1 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of May 1.
May 1 All-Time Records
1894–2024
Highest temperature 91 °F 2014
Lowest temperature 38 °F 1997
Lowest daily high 56 °F 1991
Highest daily low 60 °F 2013
Most precipitation 0.78 inches 2009
Most snow none -
May 1 Average Weather
1991–2020 1
Average high 69.7 °F
Average low 48.9 °F
Chance precipitation 14.2%
Chance snow 0%
San Rafael May 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 63 47 0.00 n/a
2022 n/a n/a 0.00 n/a
2021 n/a 50 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 74 45 0.00 n/a
2017 88 53 0.00 n/a
2016 n/a n/a n/a n/a
2015 85 54 0.00 n/a
2014 91 55 0.00 n/a
2013 86 60 0.00 n/a
2012 64 46 0.00 0.0
2011 79 45 0.00 0.0
2010 66 50 0.00 0.0
2009 57 48 0.78 0.0
2008 72 43 0.00 0.0
2007 66 46 0.00 0.0
2006 81 48 0.00 0.0
2005 70 52 0.00 0.0
2004 n/a n/a n/a 0.0
2003 66 48 0.00 0.0
2002 63 46 0.00 0.0
2001 73 50 0.00 0.0
2000 72 47 0.00 0.0
1999 64 48 0.00 0.0
1998 62 55 0.24 0.0
1997 70 38 0.00 0.0
1996 87 60 0.00 0.0
1995 66 55 0.35 0.0
1994 65 45 0.00 0.0
1993 83 54 0.00 0.0
1992 77 48 0.00 0.0
1991 56 47 0.00 0.0
1990 82 58 0.00 0.0
1989 76 48 0.00 0.0
1988 63 45 0.00 0.0
1987 64 51 0.06 0.0
1986 69 47 0.00 0.0
1985 80 44 0.00 0.0
1984 60 50 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 77 48 0.00 0.0
1979 72 52 0.00 0.0
1978 78 48 0.00 0.0
1977 70 49 0.06 0.0
1976 83 38 0.00 0.0
1975 72 46 0.00 0.0
1974 70 n/a 0.00 0.0
1973 76 44 0.00 0.0
1972 87 46 0.00 0.0
1971 69 50 0.00 0.0
1970 86 49 0.00 0.0
1969 68 42 0.00 0.0
1968 72 46 0.00 0.0
1967 69 41 0.00 0.0
1966 81 39 0.00 0.0
1965 67 42 0.00 0.0
1964 59 47 0.04 0.0
1963 65 51 0.00 0.0
1962 72 46 0.00 0.0
1961 74 47 0.00 0.0
1960 70 48 0.00 0.0
1959 64 48 0.00 0.0
1958 79 46 0.00 0.0
1957 62 53 0.07 0.0
1956 65 43 0.00 0.0
1955 63 46 0.00 0.0
1954 68 44 0.00 0.0
1953 n/a n/a n/a n/a
1952 66 45 0.01 0.0
1951 63 48 0.08 0.0
1950 59 50 0.26 0.0
1949 68 52 0.00 0.0
1948 64 42 0.00 0.0
1947 90 55 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 68 n/a 0.48 0.0
1904 n/a n/a 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 44 0.11 n/a
1894 68 42 0.00 n/a
What's the all-time high for San Rafael on 5/1?
For the date of May 1, the highest temperature ever reached in San Rafael history is 91 °F which happened in 2014.
Highest Temperatures in San Rafael on May 1
Rank Temperature Year
1 91 °F 2014
2 90 °F 1947
3 88 °F 2017
4 87 °F 1972
4 87 °F 1996
6 86 °F 1970
6 86 °F 2013
8 85 °F 2015
9 83 °F 1993
9 83 °F 1976
What's the all-time low for San Rafael on 5/1?
For the date of May 1, the lowest temperature ever reached in San Rafael history is 38 °F which has happened 2 times, most recently in 1997.
Lowest Temperatures in San Rafael on May 1
Rank Temperature Year
1 38 °F 1997
1 38 °F 1976
3 39 °F 1966
4 41 °F 1967
5 42 °F 1894
5 42 °F 1965
5 42 °F 1969
5 42 °F 1948
9 43 °F 2008
9 43 °F 1956
Lowest High Temperatures in San Rafael on May 1
Rank Temperature Year
1 56 °F 1991
2 57 °F 2009
3 59 °F 1950
3 59 °F 1964
5 60 °F 1984
6 62 °F 1998
6 62 °F 1957
8 63 °F 1955
8 63 °F 1988
8 63 °F 2023
8 63 °F 2002
8 63 °F 1951
What's the most it has ever rained in San Rafael on 5/1?
For the date of May 1, the most precipitation ever recorded in San Rafael history is 0.78 inches which happened in 2009.
All-Time Most Precipitation in San Rafael on May 1
Rank Precipitation Year
1 0.78 inches 2009
2 0.48 inches 1905
3 0.35 inches 1995
4 0.26 inches 1950
5 0.24 inches 1998
6 0.11 inches 1895
7 0.08 inches 1951
8 0.07 inches 1957
9 0.06 inches 1977
9 0.06 inches 1987
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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