Napa April 9 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of April 9.
April 9 All-Time Records
1901–2024
Highest temperature 90 °F 1989
Lowest temperature 30 °F 2011
Lowest daily high 50 °F 1927
Highest daily low 57 °F 1914
Most precipitation 1.00 inches 1965
April 9 Average Weather
1991–2020 1
Average high 67.4 °F
Average low 42.4 °F
Chance precipitation 23.2%
Napa April 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 72 40 0.00 n/a
2023 74 n/a 0.00 n/a
2022 75 39 0.00 n/a
2021 67 37 0.00 n/a
2020 64 48 0.00 n/a
2019 69 47 0.00 n/a
2018 76 41 0.00 n/a
2017 63 38 0.00 n/a
2016 60 56 0.58 n/a
2015 66 38 0.00 n/a
2014 69 49 0.00 n/a
2013 77 43 0.00 n/a
2012 68 38 0.00 n/a
2011 64 30 0.00 n/a
2010 68 36 0.00 n/a
2009 55 48 0.06 n/a
2008 66 31 0.00 n/a
2007 68 44 0.00 n/a
2006 60 50 0.00 n/a
2005 66 42 0.00 n/a
2004 75 50 0.00 n/a
2003 71 34 0.00 n/a
2002 59 50 0.01 n/a
2001 65 36 0.00 n/a
2000 68 41 0.00 n/a
1999 57 30 0.00 n/a
1998 63 38 0.02 0.0
1997 70 40 0.00 0.0
1996 65 53 0.02 0.0
1995 66 37 0.00 0.0
1994 65 42 0.24 0.0
1993 66 43 0.03 0.0
1992 68 42 0.00 0.0
1991 73 39 0.00 0.0
1990 62 42 0.00 0.0
1989 90 52 0.00 0.0
1988 87 42 0.00 0.0
1987 81 47 0.00 0.0
1986 72 46 0.00 0.0
1985 69 46 0.00 0.0
1984 62 37 0.00 0.0
1983 61 46 0.00 0.0
1982 72 37 0.00 0.0
1981 72 43 0.00 0.0
1980 69 56 0.05 0.0
1979 69 43 0.00 0.0
1978 85 41 0.00 0.0
1977 67 37 0.00 0.0
1976 65 31 0.00 0.0
1975 65 35 0.01 0.0
1974 64 43 0.13 0.0
1973 74 45 0.00 0.0
1972 65 41 0.00 0.0
1971 65 46 0.00 0.0
1970 71 39 0.00 0.0
1969 65 47 0.19 0.0
1968 86 44 0.00 0.0
1967 61 36 0.00 0.0
1966 61 49 0.20 0.0
1965 54 44 1.00 0.0
1964 69 34 0.00 0.0
1963 63 41 0.01 0.0
1962 77 42 0.00 0.0
1961 70 40 0.00 0.0
1960 68 50 0.00 0.0
1959 73 40 0.00 0.0
1958 73 43 0.00 0.0
1957 67 38 0.00 0.0
1956 72 43 0.00 0.0
1955 72 38 0.00 0.0
1954 68 39 0.00 0.0
1953 54 34 0.00 0.0
1952 62 45 0.00 0.0
1951 80 43 0.00 0.0
1950 69 39 0.05 0.0
1949 77 40 0.00 0.0
1948 60 50 0.42 n/a
1947 68 38 0.00 n/a
1946 66 36 0.00 n/a
1945 63 33 0.00 n/a
1944 70 37 0.00 n/a
1943 73 37 0.00 n/a
1942 63 48 0.15 n/a
1941 63 49 0.43 n/a
1940 72 42 0.00 n/a
1939 84 42 0.00 n/a
1938 67 39 0.00 n/a
1937 63 35 0.10 n/a
1936 78 40 0.00 n/a
1935 61 33 0.00 n/a
1934 70 43 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 79 38 0.00 n/a
1931 87 39 0.00 n/a
1930 72 36 0.00 n/a
1929 62 30 0.00 n/a
1928 60 44 0.00 n/a
1927 50 34 0.00 n/a
1926 61 50 0.12 n/a
1925 56 50 0.00 n/a
1924 64 48 0.00 n/a
1923 59 46 0.04 n/a
1922 66 38 0.00 n/a
1921 73 40 0.00 n/a
1920 63 34 0.43 n/a
1919 68 38 0.00 n/a
1918 67 54 0.56 n/a
1917 64 32 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 62 57 0.36 n/a
1913 73 46 0.00 n/a
1912 56 47 0.00 n/a
1911 59 50 0.07 0.0
1910 55 51 0.00 0.0
1909 61 44 0.00 n/a
1908 80 40 0.00 n/a
1907 75 51 0.00 n/a
1906 66 52 0.00 n/a
1905 65 43 n/a n/a
1904 88 50 n/a n/a
1903 62 41 n/a n/a
1902 65 37 0.00 n/a
1901 n/a n/a n/a n/a
What's the all-time high for Napa on 4/9?
For the date of Apr 9, the highest temperature ever reached in Napa history is 90 °F which happened in 1989.
Highest Temperatures in Napa on April 9
Rank Temperature Year
1 90 °F 1989
2 88 °F 1904
3 87 °F 1988
3 87 °F 1931
5 86 °F 1968
6 85 °F 1978
7 84 °F 1939
8 81 °F 1987
9 80 °F 1951
9 80 °F 1908
What's the all-time low for Napa on 4/9?
For the date of Apr 9, the lowest temperature ever reached in Napa history is 30 °F which has happened 3 times, most recently in 2011.
Lowest Temperatures in Napa on April 9
Rank Temperature Year
1 30 °F 1929
1 30 °F 2011
1 30 °F 1999
4 31 °F 2008
4 31 °F 1976
6 32 °F 1917
7 33 °F 1945
7 33 °F 1935
9 34 °F 2003
9 34 °F 1953
9 34 °F 1964
9 34 °F 1920
9 34 °F 1927
Lowest High Temperatures in Napa on April 9
Rank Temperature Year
1 50 °F 1927
2 54 °F 1965
2 54 °F 1953
4 55 °F 2009
4 55 °F 1910
6 56 °F 1925
6 56 °F 1912
8 57 °F 1999
9 59 °F 1911
9 59 °F 2002
9 59 °F 1923
What's the most it has ever rained in Napa on 4/9?
For the date of Apr 9, the most precipitation ever recorded in Napa history is 1.00 inches which happened in 1965.
All-Time Most Precipitation in Napa on April 9
Rank Precipitation Year
1 1.00 inches 1965
2 0.58 inches 2016
3 0.56 inches 1918
4 0.43 inches 1920
4 0.43 inches 1941
6 0.42 inches 1948
7 0.36 inches 1914
8 0.24 inches 1994
9 0.20 inches 1966
10 0.19 inches 1969
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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