Napa May 31 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of May 31.
May 31 All-Time Records
1901–2024
Highest temperature 102 °F 1970
Lowest temperature 39 °F 1923
Lowest daily high 60 °F 2011
Highest daily low 69 °F 1978
Most precipitation 1.55 inches 1995
May 31 Average Weather
1991–2020 1
Average high 76.0 °F
Average low 49.5 °F
Chance precipitation 8.0%
Napa May 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 68 53 0.00 n/a
2022 n/a n/a n/a n/a
2021 84 49 0.00 n/a
2020 73 55 0.00 n/a
2019 73 55 0.00 n/a
2018 70 48 0.00 n/a
2017 79 54 0.00 n/a
2016 83 47 0.00 n/a
2015 70 50 0.00 n/a
2014 72 47 0.00 n/a
2013 88 43 0.00 n/a
2012 84 48 0.00 n/a
2011 60 41 0.00 n/a
2010 75 55 0.00 n/a
2009 71 51 0.00 n/a
2008 66 49 0.00 n/a
2007 71 52 0.00 n/a
2006 79 48 0.00 n/a
2005 79 56 0.00 n/a
2004 85 46 0.00 n/a
2003 75 49 0.00 n/a
2002 76 52 0.00 n/a
2001 96 53 0.00 n/a
2000 85 44 0.00 n/a
1999 69 50 0.00 n/a
1998 75 47 0.00 0.0
1997 87 59 0.00 0.0
1996 80 45 0.00 0.0
1995 85 51 1.55 0.0
1994 79 56 0.00 0.0
1993 73 58 0.38 0.0
1992 77 56 0.00 0.0
1991 90 54 0.00 0.0
1990 62 49 0.32 0.0
1989 91 48 0.00 0.0
1988 73 48 0.00 0.0
1987 77 57 0.00 0.0
1986 72 54 0.00 0.0
1985 77 47 0.00 0.0
1984 85 53 0.00 0.0
1983 75 49 0.00 0.0
1982 69 51 0.00 0.0
1981 84 56 0.00 0.0
1980 69 54 0.00 0.0
1979 n/a n/a n/a n/a
1978 95 69 0.00 0.0
1977 86 53 0.00 0.0
1976 73 53 0.00 0.0
1975 78 58 0.00 0.0
1974 78 57 0.00 0.0
1973 72 52 0.00 0.0
1972 74 58 0.00 0.0
1971 n/a 42 0.00 0.0
1970 102 54 0.00 0.0
1969 87 55 0.00 0.0
1968 81 47 0.00 0.0
1967 69 44 0.05 0.0
1966 70 43 0.00 0.0
1965 61 48 0.00 0.0
1964 74 49 0.00 0.0
1963 78 50 0.00 0.0
1962 83 45 0.00 0.0
1961 72 45 0.00 0.0
1960 91 54 0.00 0.0
1959 74 47 0.00 0.0
1958 76 51 0.00 0.0
1957 82 49 0.00 0.0
1956 69 49 0.00 0.0
1955 76 47 0.00 0.0
1954 75 48 0.00 0.0
1953 75 51 0.00 0.0
1952 65 50 0.00 0.0
1951 85 52 0.00 0.0
1950 76 50 0.00 0.0
1949 72 50 0.00 0.0
1948 72 49 0.38 n/a
1947 70 52 0.08 n/a
1946 81 45 0.00 n/a
1945 74 45 0.02 n/a
1944 68 54 0.16 n/a
1943 69 56 0.00 n/a
1942 73 43 0.00 n/a
1941 74 53 0.00 n/a
1940 74 50 0.00 n/a
1939 82 46 0.00 n/a
1938 92 48 0.00 n/a
1937 73 50 0.00 n/a
1936 74 42 0.00 n/a
1935 75 45 0.00 n/a
1934 76 47 0.00 n/a
1933 n/a n/a 0.08 n/a
1932 69 49 0.00 n/a
1931 75 51 0.00 n/a
1930 73 41 0.00 n/a
1929 68 47 0.08 n/a
1928 73 46 0.00 n/a
1927 65 43 0.00 n/a
1926 86 52 0.00 n/a
1925 64 52 0.14 n/a
1924 76 49 0.00 n/a
1923 63 39 0.00 n/a
1922 68 50 0.00 n/a
1921 67 49 0.00 n/a
1920 93 46 0.00 n/a
1919 91 47 0.00 n/a
1918 80 50 0.00 n/a
1917 82 44 0.00 n/a
1916 n/a n/a 0.00 n/a
1915 n/a n/a n/a n/a
1914 72 54 0.00 n/a
1913 76 57 0.00 n/a
1912 95 53 0.00 n/a
1911 66 48 0.00 0.0
1910 88 54 0.00 0.0
1909 96 55 0.00 n/a
1908 79 57 0.00 n/a
1907 68 57 0.00 n/a
1906 73 50 n/a n/a
1905 69 45 n/a n/a
1904 71 49 0.00 n/a
1903 85 55 0.00 n/a
1902 68 53 0.15 n/a
1901 100 57 0.00 n/a
What's the all-time high for Napa on 5/31?
For the date of May 31, the highest temperature ever reached in Napa history is 102 °F which happened in 1970.
Highest Temperatures in Napa on May 31
Rank Temperature Year
1 102 °F 1970
2 100 °F 1901
3 96 °F 1909
3 96 °F 2001
5 95 °F 1912
5 95 °F 1978
7 93 °F 1920
8 92 °F 1938
9 91 °F 1960
9 91 °F 1919
9 91 °F 1989
What's the all-time low for Napa on 5/31?
For the date of May 31, the lowest temperature ever reached in Napa history is 39 °F which happened in 1923.
Lowest Temperatures in Napa on May 31
Rank Temperature Year
1 39 °F 1923
2 41 °F 1930
2 41 °F 2011
4 42 °F 1936
4 42 °F 1971
6 43 °F 1942
6 43 °F 1927
6 43 °F 1966
6 43 °F 2013
10 44 °F 1917
10 44 °F 2000
10 44 °F 1967
Lowest High Temperatures in Napa on May 31
Rank Temperature Year
1 60 °F 2011
2 61 °F 1965
3 62 °F 1990
4 63 °F 1923
5 64 °F 1925
6 65 °F 1927
6 65 °F 1952
8 66 °F 1911
8 66 °F 2008
10 67 °F 1921
What's the most it has ever rained in Napa on 5/31?
For the date of May 31, the most precipitation ever recorded in Napa history is 1.55 inches which happened in 1995.
All-Time Most Precipitation in Napa on May 31
Rank Precipitation Year
1 1.55 inches 1995
2 0.38 inches 1993
2 0.38 inches 1948
4 0.32 inches 1990
5 0.16 inches 1944
6 0.15 inches 1902
7 0.14 inches 1925
8 0.08 inches 1929
8 0.08 inches 1933
8 0.08 inches 1947
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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