Napa December 15 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of December 15.
December 15 All-Time Records
1901–2024
Highest temperature 71 °F 1980
Lowest temperature 25 °F 1932
Lowest daily high 40 °F 1972
Highest daily low 55 °F 1941
Most precipitation 2.39 inches 2016
December 15 Average Weather
1991–2020 1
Average high 57.5 °F
Average low 37.4 °F
Chance precipitation 33.9%
Napa December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 66 39 0.00 n/a
2022 59 31 0.00 n/a
2021 54 35 0.83 n/a
2020 59 34 0.00 n/a
2019 59 33 0.00 n/a
2018 60 52 0.00 n/a
2017 60 33 0.00 n/a
2016 61 52 2.39 n/a
2015 59 31 0.00 n/a
2014 51 48 1.17 n/a
2013 62 28 0.00 n/a
2012 47 30 0.07 n/a
2011 56 38 0.09 n/a
2010 54 37 0.00 n/a
2009 57 45 0.00 n/a
2008 51 28 0.13 n/a
2007 51 30 0.00 n/a
2006 57 37 0.00 n/a
2005 55 26 0.00 n/a
2004 58 37 0.00 n/a
2003 57 29 0.00 n/a
2002 57 50 0.61 n/a
2001 56 36 0.00 n/a
2000 61 45 0.00 n/a
1999 57 30 0.00 n/a
1998 64 37 0.00 0.0
1997 55 35 0.02 0.0
1996 64 38 0.00 0.0
1995 59 38 0.56 0.0
1994 50 41 0.10 0.0
1993 54 35 0.00 0.0
1992 59 33 0.00 0.0
1991 53 34 0.00 0.0
1990 50 37 0.39 0.0
1989 58 32 0.00 0.0
1988 58 47 0.00 0.0
1987 46 40 0.00 0.0
1986 50 43 0.00 0.0
1985 51 30 0.00 0.0
1984 53 39 0.09 0.0
1983 64 54 0.00 0.0
1982 54 43 0.08 0.0
1981 63 53 0.09 0.0
1980 71 36 0.00 0.0
1979 65 33 0.00 0.0
1978 63 34 0.00 0.0
1977 60 50 1.85 0.0
1976 66 32 0.00 0.0
1975 60 29 0.00 0.0
1974 58 47 0.00 0.0
1973 56 37 0.00 0.0
1972 40 29 0.01 0.0
1971 52 29 0.02 0.0
1970 55 45 0.05 0.0
1969 61 46 0.00 0.0
1968 57 48 0.67 0.0
1967 n/a n/a 0.00 0.0
1966 56 40 0.00 0.0
1965 58 27 0.00 0.0
1964 52 44 0.05 0.0
1963 49 29 0.00 0.0
1962 62 52 1.15 0.0
1961 53 32 0.00 0.0
1960 59 43 0.03 0.0
1959 63 34 0.00 0.0
1958 70 40 0.00 0.0
1957 52 39 0.75 0.0
1956 65 33 0.00 0.0
1955 62 43 0.00 0.0
1954 54 40 0.00 0.0
1953 61 39 0.00 0.0
1952 51 38 0.00 0.0
1951 46 30 0.00 0.0
1950 65 53 1.25 0.0
1949 50 41 n/a 0.0
1948 56 28 0.00 0.0
1947 57 40 0.00 n/a
1946 48 38 0.00 n/a
1945 61 30 0.09 n/a
1944 n/a 41 0.00 n/a
1943 70 34 0.00 n/a
1942 69 36 0.00 n/a
1941 61 55 0.81 n/a
1940 52 40 0.11 n/a
1939 66 42 0.00 n/a
1938 67 51 0.00 n/a
1937 64 45 0.00 n/a
1936 53 45 0.11 n/a
1935 56 29 0.00 n/a
1934 59 39 0.03 n/a
1933 55 41 0.09 n/a
1932 56 25 0.00 n/a
1931 55 27 0.00 n/a
1930 66 32 0.00 n/a
1929 61 50 1.74 n/a
1928 54 27 0.01 n/a
1927 55 30 0.00 n/a
1926 49 28 0.00 n/a
1925 58 32 0.00 n/a
1924 42 35 0.01 n/a
1923 n/a 39 0.00 n/a
1922 58 40 0.00 n/a
1921 n/a n/a n/a n/a
1920 62 42 0.00 n/a
1919 58 27 0.00 n/a
1918 42 37 0.00 n/a
1917 63 27 0.00 n/a
1916 n/a n/a n/a n/a
1915 58 46 n/a n/a
1914 n/a n/a n/a n/a
1913 55 40 0.00 n/a
1912 56 45 0.46 n/a
1911 57 36 0.00 0.0
1910 56 43 0.00 n/a
1909 65 38 n/a n/a
1908 52 32 n/a n/a
1907 47 45 0.13 n/a
1906 53 43 0.09 n/a
1905 53 40 0.23 n/a
1904 59 45 0.00 n/a
1903 53 48 1.15 n/a
1902 59 34 n/a n/a
1901 58 30 0.00 n/a
What's the all-time high for Napa on 12/15?
For the date of Dec 15, the highest temperature ever reached in Napa history is 71 °F which happened in 1980.
Highest Temperatures in Napa on December 15
Rank Temperature Year
1 71 °F 1980
2 70 °F 1943
2 70 °F 1958
4 69 °F 1942
5 67 °F 1938
6 66 °F 1930
6 66 °F 1976
6 66 °F 1939
6 66 °F 2023
10 65 °F 1950
10 65 °F 1956
10 65 °F 1909
10 65 °F 1979
What's the all-time low for Napa on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Napa history is 25 °F which happened in 1932.
Lowest Temperatures in Napa on December 15
Rank Temperature Year
1 25 °F 1932
2 26 °F 2005
3 27 °F 1917
3 27 °F 1928
3 27 °F 1931
3 27 °F 1965
3 27 °F 1919
8 28 °F 1926
8 28 °F 1948
8 28 °F 2008
8 28 °F 2013
Lowest High Temperatures in Napa on December 15
Rank Temperature Year
1 40 °F 1972
2 42 °F 1918
2 42 °F 1924
4 46 °F 1951
4 46 °F 1987
6 47 °F 1907
6 47 °F 2012
8 48 °F 1946
9 49 °F 1926
9 49 °F 1963
What's the most it has ever rained in Napa on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Napa history is 2.39 inches which happened in 2016.
All-Time Most Precipitation in Napa on December 15
Rank Precipitation Year
1 2.39 inches 2016
2 1.85 inches 1977
3 1.74 inches 1929
4 1.25 inches 1950
5 1.17 inches 2014
6 1.15 inches 1962
6 1.15 inches 1903
8 0.83 inches 2021
9 0.81 inches 1941
10 0.75 inches 1957
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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