Napa June 20 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of June 20.
June 20 All-Time Records
1901–2024
Highest temperature 108 °F 1954
Lowest temperature 42 °F 2023
Lowest daily high 62 °F 1908
Highest daily low 61 °F 1906
Most precipitation 0.03 inches 1908
June 20 Average Weather
1991–2020 1
Average high 79.3 °F
Average low 51.9 °F
Chance precipitation 2.8%
Napa June 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 42 0.00 n/a
2022 90 48 0.00 n/a
2021 75 50 0.00 n/a
2020 72 53 0.00 n/a
2019 73 56 0.00 n/a
2018 77 50 0.00 n/a
2017 84 60 0.00 n/a
2016 87 46 0.00 n/a
2015 76 48 0.00 n/a
2014 91 45 0.00 n/a
2013 82 45 0.00 n/a
2012 88 50 0.00 n/a
2011 94 54 0.00 n/a
2010 78 42 0.00 n/a
2009 74 50 0.00 n/a
2008 103 53 0.00 n/a
2007 72 51 0.00 n/a
2006 85 49 0.00 n/a
2005 78 47 0.00 n/a
2004 74 53 0.00 n/a
2003 79 47 0.00 n/a
2002 73 52 0.00 n/a
2001 99 51 0.00 n/a
2000 80 54 0.00 n/a
1999 77 52 0.00 n/a
1998 80 52 0.00 0.0
1997 86 55 0.00 0.0
1996 81 50 0.00 0.0
1995 84 51 0.00 0.0
1994 83 55 0.00 0.0
1993 80 55 0.00 0.0
1992 80 56 0.00 0.0
1991 75 44 0.00 0.0
1990 96 59 0.00 0.0
1989 94 50 0.00 0.0
1988 73 54 0.00 0.0
1987 76 50 0.00 0.0
1986 84 51 0.00 0.0
1985 75 56 0.00 0.0
1984 79 55 0.00 0.0
1983 78 54 0.00 0.0
1982 72 54 0.00 0.0
1981 105 53 0.00 0.0
1980 76 50 0.00 0.0
1979 82 56 0.00 0.0
1978 76 48 0.00 0.0
1977 87 51 0.00 0.0
1976 77 48 0.00 0.0
1975 71 52 0.00 0.0
1974 83 57 0.00 0.0
1973 105 56 0.00 0.0
1972 79 53 0.00 0.0
1971 83 51 0.00 0.0
1970 81 52 0.00 0.0
1969 73 54 0.00 0.0
1968 81 54 0.00 0.0
1967 72 52 0.00 0.0
1966 87 56 0.00 0.0
1965 75 50 0.00 0.0
1964 80 45 0.00 0.0
1963 78 51 0.00 0.0
1962 99 59 0.00 0.0
1961 90 50 0.00 0.0
1960 96 52 0.00 0.0
1959 92 56 0.00 0.0
1958 78 55 0.00 0.0
1957 71 54 0.00 0.0
1956 80 46 0.00 0.0
1955 77 48 0.00 0.0
1954 108 58 0.00 0.0
1953 81 45 0.00 0.0
1952 76 47 0.00 0.0
1951 71 50 0.00 0.0
1950 79 52 0.00 0.0
1949 76 47 0.00 0.0
1948 84 56 0.00 n/a
1947 89 49 0.00 n/a
1946 93 50 0.00 n/a
1945 87 50 0.00 n/a
1944 69 47 0.00 n/a
1943 76 45 0.00 n/a
1942 87 43 0.00 n/a
1941 76 45 0.00 n/a
1940 88 53 0.00 n/a
1939 91 50 0.00 n/a
1938 74 54 0.00 n/a
1937 81 53 0.00 n/a
1936 85 49 0.00 n/a
1935 82 51 0.00 n/a
1934 79 51 0.00 n/a
1933 n/a n/a n/a n/a
1932 93 53 0.00 n/a
1931 75 53 0.00 n/a
1930 77 52 0.00 n/a
1929 104 45 n/a n/a
1928 66 52 0.00 n/a
1927 73 50 0.00 n/a
1926 85 47 0.00 n/a
1925 72 54 0.00 n/a
1924 95 51 0.00 n/a
1923 71 48 0.00 n/a
1922 78 48 0.00 n/a
1921 96 59 0.00 n/a
1920 82 50 0.00 n/a
1919 79 49 0.00 n/a
1918 93 55 0.00 n/a
1917 98 n/a 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 71 55 0.00 n/a
1913 86 52 0.00 n/a
1912 75 56 n/a n/a
1911 65 50 0.00 0.0
1910 78 45 n/a 0.0
1909 79 50 0.00 n/a
1908 62 51 0.03 n/a
1907 70 56 0.00 n/a
1906 96 61 n/a n/a
1905 79 57 0.00 n/a
1904 70 50 0.00 n/a
1903 75 52 0.00 n/a
1902 80 54 0.00 n/a
1901 73 57 0.00 n/a
What's the all-time high for Napa on 6/20?
For the date of Jun 20, the highest temperature ever reached in Napa history is 108 °F which happened in 1954.
Highest Temperatures in Napa on June 20
Rank Temperature Year
1 108 °F 1954
2 105 °F 1981
2 105 °F 1973
4 104 °F 1929
5 103 °F 2008
6 99 °F 1962
6 99 °F 2001
8 98 °F 1917
9 96 °F 1921
9 96 °F 1960
9 96 °F 1990
9 96 °F 1906
What's the all-time low for Napa on 6/20?
For the date of Jun 20, the lowest temperature ever reached in Napa history is 42 °F which has happened 2 times, most recently in 2023.
Lowest Temperatures in Napa on June 20
Rank Temperature Year
1 42 °F 2010
1 42 °F 2023
3 43 °F 1942
4 44 °F 1991
5 45 °F 1929
5 45 °F 1964
5 45 °F 1943
5 45 °F 1941
5 45 °F 1910
5 45 °F 1953
5 45 °F 2014
5 45 °F 2013
Lowest High Temperatures in Napa on June 20
Rank Temperature Year
1 62 °F 1908
2 65 °F 1911
3 66 °F 1928
4 69 °F 1944
5 70 °F 1907
5 70 °F 1904
7 71 °F 1975
7 71 °F 1923
7 71 °F 1957
7 71 °F 1914
7 71 °F 1951
What's the most it has ever rained in Napa on 6/20?
For the date of Jun 20, the most precipitation ever recorded in Napa history is 0.03 inches which happened in 1908.
All-Time Most Precipitation in Napa on June 20
Rank Precipitation Year
1 0.03 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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