Napa December 1 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of December 1.
December 1 All-Time Records
1901–2024
Highest temperature 73 °F 1959
Lowest temperature 20 °F 2007
Lowest daily high 50 °F 1972
Highest daily low 57 °F 2012
Most precipitation 2.30 inches 1951
December 1 Average Weather
1991–2020 1
Average high 60.2 °F
Average low 38.8 °F
Chance precipitation 32.9%
Napa December 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 62 34 0.05 n/a
2022 55 34 0.50 n/a
2021 67 42 0.00 n/a
2020 65 29 0.00 n/a
2019 53 46 1.26 n/a
2018 61 40 0.46 n/a
2017 60 33 0.00 n/a
2016 65 33 0.00 n/a
2015 60 27 0.00 n/a
2014 65 51 0.00 n/a
2013 68 34 0.00 n/a
2012 64 57 0.32 n/a
2011 69 45 0.00 n/a
2010 57 29 0.00 n/a
2009 62 29 0.00 n/a
2008 53 38 0.00 n/a
2007 55 20 0.00 n/a
2006 59 28 0.00 n/a
2005 59 48 1.45 n/a
2004 55 24 0.00 n/a
2003 55 49 0.42 n/a
2002 64 36 0.00 n/a
2001 53 49 1.29 n/a
2000 58 31 0.00 n/a
1999 59 36 0.02 n/a
1998 59 38 0.01 0.0
1997 62 39 0.00 0.0
1996 59 50 0.26 0.0
1995 69 41 0.06 0.0
1994 56 34 0.00 0.0
1993 62 39 0.00 0.0
1992 64 35 0.00 0.0
1991 66 34 0.00 0.0
1990 62 31 0.00 0.0
1989 62 36 0.00 0.0
1988 62 35 0.00 0.0
1987 60 52 1.15 0.0
1986 66 34 0.00 0.0
1985 54 45 0.00 0.0
1984 61 43 0.00 0.0
1983 59 43 0.10 0.0
1982 61 41 0.01 0.0
1981 65 39 0.00 0.0
1980 62 33 0.00 0.0
1979 66 39 0.00 0.0
1978 65 50 0.08 0.0
1977 68 44 0.00 0.0
1976 67 32 0.00 0.0
1975 64 36 0.00 0.0
1974 60 36 0.00 0.0
1973 55 46 0.87 0.0
1972 50 39 0.00 0.0
1971 60 37 0.00 0.0
1970 56 45 0.41 0.0
1969 66 32 0.00 0.0
1968 60 45 0.06 0.0
1967 56 30 0.00 0.0
1966 59 52 0.24 0.0
1965 59 36 0.00 0.0
1964 65 52 0.10 0.0
1963 54 38 0.00 0.0
1962 63 50 0.00 0.0
1961 59 54 1.35 0.0
1960 61 50 1.89 0.0
1959 73 39 0.00 0.0
1958 69 35 0.00 0.0
1957 67 32 0.00 0.0
1956 73 33 0.00 0.0
1955 61 45 0.59 0.0
1954 55 45 0.31 0.0
1953 68 40 0.00 0.0
1952 56 47 0.56 0.0
1951 61 53 2.30 0.0
1950 57 35 0.00 0.0
1949 70 38 0.00 0.0
1948 65 33 0.00 0.0
1947 68 36 0.00 n/a
1946 59 42 0.00 n/a
1945 60 34 0.00 n/a
1944 n/a 49 0.77 n/a
1943 67 35 0.00 n/a
1942 67 39 0.00 n/a
1941 66 47 0.00 n/a
1940 70 37 0.00 n/a
1939 71 39 0.00 n/a
1938 62 39 0.02 n/a
1937 67 36 0.00 n/a
1936 65 53 0.00 n/a
1935 66 33 0.00 n/a
1934 59 37 0.00 n/a
1933 60 31 0.00 n/a
1932 62 28 0.00 n/a
1931 58 36 0.00 n/a
1930 70 49 0.00 n/a
1929 58 41 0.00 n/a
1928 63 38 0.04 n/a
1927 66 44 0.00 n/a
1926 58 50 0.01 n/a
1925 52 52 0.37 n/a
1924 56 48 0.00 n/a
1923 n/a 42 0.00 n/a
1922 62 38 0.00 n/a
1921 n/a n/a n/a n/a
1920 58 50 0.18 n/a
1919 55 42 0.33 n/a
1918 51 31 0.00 n/a
1917 59 48 0.45 n/a
1916 n/a n/a n/a n/a
1915 62 50 n/a n/a
1914 n/a n/a n/a n/a
1913 66 53 0.00 n/a
1912 55 37 0.03 n/a
1911 68 34 0.00 0.0
1910 63 34 0.00 n/a
1909 55 45 0.16 n/a
1908 50 39 n/a n/a
1907 70 35 n/a n/a
1906 59 45 n/a n/a
1905 50 31 0.00 n/a
1904 60 40 0.00 n/a
1903 61 41 n/a n/a
1902 58 40 n/a n/a
1901 66 47 0.00 n/a
What's the all-time high for Napa on 12/1?
For the date of Dec 1, the highest temperature ever reached in Napa history is 73 °F which has happened 2 times, most recently in 1959.
Highest Temperatures in Napa on December 1
Rank Temperature Year
1 73 °F 1956
1 73 °F 1959
3 71 °F 1939
4 70 °F 1949
4 70 °F 1907
4 70 °F 1940
4 70 °F 1930
8 69 °F 2011
8 69 °F 1995
8 69 °F 1958
What's the all-time low for Napa on 12/1?
For the date of Dec 1, the lowest temperature ever reached in Napa history is 20 °F which happened in 2007.
Lowest Temperatures in Napa on December 1
Rank Temperature Year
1 20 °F 2007
2 24 °F 2004
3 27 °F 2015
4 28 °F 2006
4 28 °F 1932
6 29 °F 2009
6 29 °F 2020
6 29 °F 2010
9 30 °F 1967
10 31 °F 1918
10 31 °F 1905
10 31 °F 1990
10 31 °F 1933
10 31 °F 2000
Lowest High Temperatures in Napa on December 1
Rank Temperature Year
1 50 °F 1905
1 50 °F 1972
1 50 °F 1908
4 51 °F 1918
5 52 °F 1925
6 53 °F 2001
6 53 °F 2019
6 53 °F 2008
9 54 °F 1963
9 54 °F 1985
What's the most it has ever rained in Napa on 12/1?
For the date of Dec 1, the most precipitation ever recorded in Napa history is 2.30 inches which happened in 1951.
All-Time Most Precipitation in Napa on December 1
Rank Precipitation Year
1 2.30 inches 1951
2 1.89 inches 1960
3 1.45 inches 2005
4 1.35 inches 1961
5 1.29 inches 2001
6 1.26 inches 2019
7 1.15 inches 1987
8 0.87 inches 1973
9 0.77 inches 1944
10 0.59 inches 1955
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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