Napa May 9 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of May 9.
May 9 All-Time Records
1901–2024
Highest temperature 97 °F 1931
Lowest temperature 32 °F 1918
Lowest daily high 56 °F 1925
Highest daily low 58 °F 1992
Most precipitation 0.41 inches 1954
May 9 Average Weather
1991–2020 1
Average high 73.0 °F
Average low 46.3 °F
Chance precipitation 13.2%
Napa May 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 70 44 0.00 n/a
2022 64 38 0.00 n/a
2021 86 52 0.00 n/a
2020 71 50 0.00 n/a
2019 66 53 0.00 n/a
2018 73 54 0.00 n/a
2017 79 49 0.00 n/a
2016 65 49 0.00 n/a
2015 66 48 0.00 n/a
2014 69 50 0.00 n/a
2013 71 50 0.00 n/a
2012 74 48 0.00 n/a
2011 70 38 0.00 n/a
2010 63 48 0.03 n/a
2009 75 41 0.00 n/a
2008 74 39 0.00 n/a
2007 74 45 0.00 n/a
2006 75 45 0.00 n/a
2005 63 47 0.05 n/a
2004 77 42 0.00 n/a
2003 64 33 0.00 n/a
2002 67 39 0.00 n/a
2001 81 48 0.00 n/a
2000 67 50 0.00 n/a
1999 69 36 0.00 n/a
1998 66 42 0.00 0.0
1997 79 53 0.00 0.0
1996 73 39 0.00 0.0
1995 66 46 0.12 0.0
1994 70 54 0.00 0.0
1993 90 52 0.00 0.0
1992 90 58 0.00 0.0
1991 68 39 0.00 0.0
1990 76 47 0.00 0.0
1989 66 53 0.00 0.0
1988 74 47 0.00 0.0
1987 83 57 0.00 0.0
1986 83 51 0.00 0.0
1985 69 42 0.00 0.0
1984 84 53 0.00 0.0
1983 72 39 0.00 0.0
1982 69 45 0.00 0.0
1981 81 54 0.00 0.0
1980 63 50 0.19 0.0
1979 n/a n/a n/a n/a
1978 82 48 0.00 0.0
1977 61 50 0.20 0.0
1976 76 48 0.00 0.0
1975 70 49 0.00 0.0
1974 73 45 0.00 0.0
1973 77 44 0.00 0.0
1972 73 41 0.00 0.0
1971 74 48 0.00 0.0
1970 69 47 0.00 0.0
1969 81 46 0.00 0.0
1968 64 42 0.00 0.0
1967 68 53 0.00 0.0
1966 60 52 0.07 0.0
1965 75 49 0.00 0.0
1964 78 46 0.00 0.0
1963 67 37 0.00 0.0
1962 70 47 0.00 0.0
1961 70 41 0.00 0.0
1960 78 44 0.00 0.0
1959 77 48 0.00 0.0
1958 74 43 0.00 0.0
1957 67 54 0.29 0.0
1956 n/a 52 0.00 0.0
1955 77 43 0.00 0.0
1954 71 50 0.41 0.0
1953 69 37 0.00 0.0
1952 75 41 0.00 0.0
1951 75 44 0.00 0.0
1950 84 38 0.00 0.0
1949 70 45 0.06 0.0
1948 68 36 0.00 n/a
1947 80 44 0.00 n/a
1946 69 45 0.00 n/a
1945 68 47 0.00 n/a
1944 71 47 0.00 n/a
1943 89 48 0.00 n/a
1942 66 44 0.00 n/a
1941 86 49 0.00 n/a
1940 81 51 0.00 n/a
1939 74 49 0.00 n/a
1938 77 43 0.00 n/a
1937 65 40 0.00 n/a
1936 85 50 0.00 n/a
1935 57 47 0.00 n/a
1934 81 46 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 75 43 0.00 n/a
1931 97 51 0.00 n/a
1930 66 39 0.00 n/a
1929 79 44 0.00 n/a
1928 58 49 0.02 n/a
1927 65 40 0.00 n/a
1926 70 41 0.00 n/a
1925 56 45 0.00 n/a
1924 68 48 0.00 n/a
1923 79 49 0.00 n/a
1922 62 36 0.22 n/a
1921 66 42 0.00 n/a
1920 70 36 0.00 n/a
1919 74 38 0.00 n/a
1918 66 32 0.00 n/a
1917 63 45 0.00 n/a
1916 n/a n/a 0.00 n/a
1915 n/a n/a n/a n/a
1914 69 50 0.00 n/a
1913 68 57 0.00 n/a
1912 59 50 0.00 n/a
1911 67 39 0.00 0.0
1910 73 53 0.00 0.0
1909 66 44 0.00 n/a
1908 67 43 0.00 n/a
1907 67 46 0.00 n/a
1906 65 55 n/a n/a
1905 64 43 n/a n/a
1904 94 55 0.00 n/a
1903 82 51 0.00 n/a
1902 68 44 0.00 n/a
1901 85 48 0.00 n/a
What's the all-time high for Napa on 5/9?
For the date of May 9, the highest temperature ever reached in Napa history is 97 °F which happened in 1931.
Highest Temperatures in Napa on May 9
Rank Temperature Year
1 97 °F 1931
2 94 °F 1904
3 90 °F 1993
3 90 °F 1992
5 89 °F 1943
6 86 °F 1941
6 86 °F 2021
8 85 °F 1936
8 85 °F 1901
10 84 °F 1984
10 84 °F 1950
What's the all-time low for Napa on 5/9?
For the date of May 9, the lowest temperature ever reached in Napa history is 32 °F which happened in 1918.
Lowest Temperatures in Napa on May 9
Rank Temperature Year
1 32 °F 1918
2 33 °F 2003
3 36 °F 1948
3 36 °F 1922
3 36 °F 1920
3 36 °F 1999
7 37 °F 1953
7 37 °F 1963
9 38 °F 2022
9 38 °F 1950
9 38 °F 2011
9 38 °F 1919
Lowest High Temperatures in Napa on May 9
Rank Temperature Year
1 56 °F 1925
2 57 °F 1935
3 58 °F 1928
4 59 °F 1912
5 60 °F 1966
6 61 °F 1977
7 62 °F 1922
8 63 °F 1980
8 63 °F 1917
8 63 °F 2005
8 63 °F 2010
What's the most it has ever rained in Napa on 5/9?
For the date of May 9, the most precipitation ever recorded in Napa history is 0.41 inches which happened in 1954.
All-Time Most Precipitation in Napa on May 9
Rank Precipitation Year
1 0.41 inches 1954
2 0.29 inches 1957
3 0.22 inches 1922
4 0.20 inches 1977
5 0.19 inches 1980
6 0.12 inches 1995
7 0.07 inches 1966
8 0.06 inches 1949
9 0.05 inches 2005
10 0.03 inches 2010
Weather Station Details
Years Station Coordinates
1999–2024 Napa County Airport location
1901–1998 Napa State Hospital location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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