Napa December 31 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of December 31 (New Year's Eve).
December 31 All-Time Records
1901–2024
Highest temperature 74 °F 1995
Lowest temperature 24 °F 2015
Lowest daily high 36 °F 1918
Highest daily low 58 °F 1996
Most precipitation 1.98 inches 2005
December 31 Average Weather
1991–2020 1
Average high 56.5 °F
Average low 37.1 °F
Chance precipitation 33.3%
Napa December 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 59 47 0.00 n/a
2022 58 45 1.62 n/a
2021 55 30 0.00 n/a
2020 64 37 0.01 n/a
2019 62 36 0.00 n/a
2018 57 34 0.00 n/a
2017 57 32 0.00 n/a
2016 54 35 0.00 n/a
2015 51 24 0.00 n/a
2014 60 31 0.00 n/a
2013 59 30 0.00 n/a
2012 52 27 0.00 n/a
2011 62 33 0.00 n/a
2010 46 29 0.01 n/a
2009 54 46 0.00 n/a
2008 50 39 0.00 n/a
2007 59 28 0.00 n/a
2006 54 32 0.00 n/a
2005 60 49 1.98 n/a
2004 55 36 0.21 n/a
2003 55 38 0.00 n/a
2002 56 38 0.63 n/a
2001 61 54 0.00 n/a
2000 58 33 0.00 n/a
1999 55 30 0.00 n/a
1998 62 46 0.00 0.0
1997 n/a n/a 0.00 0.0
1996 64 58 0.49 0.0
1995 74 57 0.06 0.0
1994 50 38 0.09 0.0
1993 53 37 0.07 0.0
1992 53 33 0.07 0.0
1991 57 46 0.00 0.0
1990 55 24 0.00 0.0
1989 57 33 0.00 0.0
1988 46 33 0.44 0.0
1987 50 28 0.00 0.0
1986 50 43 0.12 0.0
1985 59 49 0.00 0.0
1984 49 36 0.00 0.0
1983 63 46 0.09 0.0
1982 55 29 0.00 0.0
1981 54 48 0.11 0.0
1980 59 41 0.00 0.0
1979 58 53 0.60 0.0
1978 54 25 0.00 0.0
1977 61 38 0.02 0.0
1976 59 44 0.07 0.0
1975 55 39 0.00 0.0
1974 58 43 0.00 0.0
1973 54 39 0.02 0.0
1972 60 32 0.00 0.0
1971 56 32 0.00 0.0
1970 63 40 0.00 0.0
1969 57 31 0.00 0.0
1968 53 37 0.00 0.0
1967 53 31 0.00 0.0
1966 58 33 0.00 0.0
1965 53 42 0.25 0.0
1964 46 32 0.13 0.0
1963 58 38 0.00 0.0
1962 60 27 0.00 0.0
1961 50 34 0.00 0.0
1960 56 29 0.00 0.0
1959 53 31 0.00 0.0
1958 65 37 0.00 0.0
1957 58 39 0.00 0.0
1956 66 32 0.00 0.0
1955 53 37 0.17 0.0
1954 59 48 0.46 0.0
1953 62 31 0.00 0.0
1952 51 35 0.02 0.0
1951 51 26 0.03 0.0
1950 55 35 0.00 0.0
1949 52 29 0.00 0.0
1948 51 32 0.00 0.0
1947 56 30 0.00 n/a
1946 56 27 0.00 n/a
1945 65 38 0.02 n/a
1944 n/a 44 0.00 n/a
1943 57 34 0.00 n/a
1942 61 48 0.00 n/a
1941 53 30 0.00 n/a
1940 54 32 0.00 n/a
1939 58 48 0.00 n/a
1938 58 35 0.00 n/a
1937 52 39 0.00 n/a
1936 54 30 0.22 n/a
1935 59 34 0.09 n/a
1934 58 34 0.00 n/a
1933 61 49 0.04 n/a
1932 58 32 0.00 n/a
1931 59 46 0.97 n/a
1930 57 41 0.28 n/a
1929 46 31 0.00 n/a
1928 62 32 0.01 n/a
1927 49 43 0.04 n/a
1926 51 30 0.00 n/a
1925 49 31 0.00 n/a
1924 56 43 0.75 n/a
1923 n/a 32 0.00 n/a
1922 51 48 0.53 n/a
1921 n/a n/a n/a n/a
1920 64 35 0.00 n/a
1919 44 38 0.00 n/a
1918 36 31 0.00 n/a
1917 57 44 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 55 49 0.93 n/a
1912 60 44 0.10 n/a
1911 49 40 0.06 0.0
1910 54 31 0.00 n/a
1909 50 44 0.74 n/a
1908 50 38 n/a n/a
1907 51 43 0.37 n/a
1906 51 35 0.31 n/a
1905 47 29 0.00 n/a
1904 58 40 1.35 n/a
1903 57 45 0.52 n/a
1902 45 40 n/a n/a
1901 58 32 0.00 n/a
What's the all-time high for Napa on 12/31?
For the date of Dec 31, the highest temperature ever reached in Napa history is 74 °F which happened in 1995.
Highest Temperatures in Napa on December 31
Rank Temperature Year
1 74 °F 1995
2 66 °F 1956
3 65 °F 1945
3 65 °F 1958
5 64 °F 2020
5 64 °F 1996
5 64 °F 1920
8 63 °F 1970
8 63 °F 1983
10 62 °F 1928
10 62 °F 1998
10 62 °F 2011
10 62 °F 2019
10 62 °F 1953
What's the all-time low for Napa on 12/31?
For the date of Dec 31, the lowest temperature ever reached in Napa history is 24 °F which has happened 2 times, most recently in 2015.
Lowest Temperatures in Napa on December 31
Rank Temperature Year
1 24 °F 2015
1 24 °F 1990
3 25 °F 1978
4 26 °F 1951
5 27 °F 1962
5 27 °F 2012
5 27 °F 1946
8 28 °F 2007
8 28 °F 1987
10 29 °F 2010
10 29 °F 1982
10 29 °F 1905
10 29 °F 1960
10 29 °F 1949
Lowest High Temperatures in Napa on December 31
Rank Temperature Year
1 36 °F 1918
2 44 °F 1919
3 45 °F 1902
4 46 °F 1929
4 46 °F 1988
4 46 °F 1964
4 46 °F 2010
8 47 °F 1905
9 49 °F 1984
9 49 °F 1925
9 49 °F 1911
9 49 °F 1927
What's the most it has ever rained in Napa on 12/31?
For the date of Dec 31, the most precipitation ever recorded in Napa history is 1.98 inches which happened in 2005.
All-Time Most Precipitation in Napa on December 31
Rank Precipitation Year
1 1.98 inches 2005
2 1.62 inches 2022
3 1.35 inches 1904
4 0.97 inches 1931
5 0.93 inches 1913
6 0.75 inches 1924
7 0.74 inches 1909
8 0.63 inches 2002
9 0.60 inches 1979
10 0.53 inches 1922
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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