Napa December 9 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of December 9.
December 9 All-Time Records
1901–2024
Highest temperature 72 °F 1943
Lowest temperature 19 °F 2013
Lowest daily high 38 °F 1972
Highest daily low 56 °F 1939
Most precipitation 2.34 inches 1909
December 9 Average Weather
1991–2020 1
Average high 58.5 °F
Average low 37.8 °F
Chance precipitation 34.0%
Napa December 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 58 30 0.00 n/a
2022 53 40 0.00 n/a
2021 58 37 0.00 n/a
2020 66 35 0.00 n/a
2019 53 41 0.00 n/a
2018 54 41 0.00 n/a
2017 65 32 0.00 n/a
2016 62 53 0.12 n/a
2015 62 52 0.02 n/a
2014 62 52 0.00 n/a
2013 49 19 0.00 n/a
2012 70 36 0.00 n/a
2011 62 30 0.00 n/a
2010 62 50 0.05 n/a
2009 46 21 0.00 n/a
2008 55 28 0.00 n/a
2007 56 28 0.00 n/a
2006 63 50 0.09 n/a
2005 65 32 0.00 n/a
2004 63 45 0.00 n/a
2003 53 41 0.25 n/a
2002 53 42 0.41 n/a
2001 60 42 0.06 n/a
2000 55 41 0.00 n/a
1999 54 36 0.37 n/a
1998 63 39 0.00 0.0
1997 60 36 0.00 0.0
1996 60 54 0.65 0.0
1995 57 49 0.00 0.0
1994 54 28 0.00 0.0
1993 60 48 0.07 0.0
1992 58 36 2.05 0.0
1991 62 34 0.00 0.0
1990 65 35 0.00 0.0
1989 56 37 0.00 0.0
1988 66 42 0.00 0.0
1987 60 47 0.31 0.0
1986 n/a n/a 0.00 0.0
1985 61 35 0.00 0.0
1984 63 49 0.00 0.0
1983 59 54 0.75 0.0
1982 63 35 0.00 0.0
1981 59 41 0.21 0.0
1980 61 30 0.00 0.0
1979 62 40 0.00 0.0
1978 55 30 0.00 0.0
1977 62 34 0.00 0.0
1976 64 34 0.00 0.0
1975 58 37 0.00 0.0
1974 59 38 0.00 0.0
1973 57 41 0.00 0.0
1972 38 20 0.00 0.0
1971 60 38 0.15 0.0
1970 60 35 0.02 0.0
1969 60 46 0.00 0.0
1968 58 49 0.18 0.0
1967 62 34 0.00 0.0
1966 58 43 0.01 0.0
1965 53 38 0.00 0.0
1964 65 50 0.00 0.0
1963 58 36 0.10 0.0
1962 57 50 0.00 0.0
1961 57 38 0.00 0.0
1960 57 30 0.00 0.0
1959 60 36 0.00 0.0
1958 64 38 0.00 0.0
1957 60 33 0.00 0.0
1956 58 26 0.00 0.0
1955 59 48 0.36 0.0
1954 54 38 0.44 0.0
1953 64 44 0.00 0.0
1952 54 44 0.09 0.0
1951 54 28 0.00 0.0
1950 68 49 0.34 0.0
1949 60 40 0.00 0.0
1948 59 34 0.00 0.0
1947 54 30 0.00 n/a
1946 59 40 0.00 n/a
1945 56 32 0.00 n/a
1944 n/a 33 0.00 n/a
1943 72 40 0.00 n/a
1942 68 43 0.00 n/a
1941 59 36 0.00 n/a
1940 70 38 0.00 n/a
1939 63 56 0.01 n/a
1938 56 43 0.00 n/a
1937 56 44 0.65 n/a
1936 67 31 0.00 n/a
1935 51 35 0.00 n/a
1934 69 39 0.00 n/a
1933 65 36 0.00 n/a
1932 63 19 0.00 n/a
1931 52 30 0.00 n/a
1930 64 36 0.00 n/a
1929 57 51 0.90 n/a
1928 58 37 0.02 n/a
1927 53 42 0.00 n/a
1926 52 51 0.00 n/a
1925 57 37 0.00 n/a
1924 52 40 0.02 n/a
1923 n/a 32 0.00 n/a
1922 43 37 0.00 n/a
1921 n/a n/a n/a n/a
1920 52 37 0.30 n/a
1919 53 26 0.00 n/a
1918 n/a 30 0.65 n/a
1917 68 30 0.00 n/a
1916 n/a n/a n/a n/a
1915 58 44 0.26 n/a
1914 n/a n/a n/a n/a
1913 59 39 0.00 n/a
1912 60 37 0.00 n/a
1911 58 35 0.00 0.0
1910 57 53 0.00 n/a
1909 51 45 2.34 n/a
1908 48 44 0.38 n/a
1907 61 48 n/a n/a
1906 58 45 n/a n/a
1905 68 35 0.00 n/a
1904 55 49 0.22 n/a
1903 61 33 n/a n/a
1902 60 45 n/a n/a
1901 55 40 0.00 n/a
What's the all-time high for Napa on 12/9?
For the date of Dec 9, the highest temperature ever reached in Napa history is 72 °F which happened in 1943.
Highest Temperatures in Napa on December 9
Rank Temperature Year
1 72 °F 1943
2 70 °F 2012
2 70 °F 1940
4 69 °F 1934
5 68 °F 1905
5 68 °F 1917
5 68 °F 1942
5 68 °F 1950
9 67 °F 1936
10 66 °F 1988
10 66 °F 2020
What's the all-time low for Napa on 12/9?
For the date of Dec 9, the lowest temperature ever reached in Napa history is 19 °F which has happened 2 times, most recently in 2013.
Lowest Temperatures in Napa on December 9
Rank Temperature Year
1 19 °F 1932
1 19 °F 2013
3 20 °F 1972
4 21 °F 2009
5 26 °F 1956
5 26 °F 1919
7 28 °F 2007
7 28 °F 2008
7 28 °F 1951
7 28 °F 1994
Lowest High Temperatures in Napa on December 9
Rank Temperature Year
1 38 °F 1972
2 43 °F 1922
3 46 °F 2009
4 48 °F 1908
5 49 °F 2013
6 51 °F 1935
6 51 °F 1909
8 52 °F 1926
8 52 °F 1924
8 52 °F 1920
8 52 °F 1931
What's the most it has ever rained in Napa on 12/9?
For the date of Dec 9, the most precipitation ever recorded in Napa history is 2.34 inches which happened in 1909.
All-Time Most Precipitation in Napa on December 9
Rank Precipitation Year
1 2.34 inches 1909
2 2.05 inches 1992
3 0.90 inches 1929
4 0.75 inches 1983
5 0.65 inches 1996
5 0.65 inches 1937
5 0.65 inches 1918
8 0.44 inches 1954
9 0.41 inches 2002
10 0.38 inches 1908
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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