Napa June 15 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of June 15.
June 15 All-Time Records
1901–2024
Highest temperature 103 °F 1966
Lowest temperature 41 °F 2002
Lowest daily high 60 °F 1923
Highest daily low 72 °F 1981
Most precipitation 0.55 inches 1944
June 15 Average Weather
1991–2020 1
Average high 78.8 °F
Average low 51.4 °F
Chance precipitation 3.9%
Napa June 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 55 0.00 n/a
2022 82 52 0.00 n/a
2021 85 51 0.00 n/a
2020 81 52 0.00 n/a
2019 70 53 0.00 n/a
2018 68 54 0.00 n/a
2017 91 51 0.00 n/a
2016 70 49 0.00 n/a
2015 71 52 0.00 n/a
2014 72 50 0.00 n/a
2013 70 53 0.00 n/a
2012 82 49 0.00 n/a
2011 84 53 0.00 n/a
2010 72 49 0.00 n/a
2009 75 53 0.00 n/a
2008 70 48 0.00 n/a
2007 84 56 0.00 n/a
2006 82 48 0.00 n/a
2005 76 44 0.00 n/a
2004 93 52 0.00 n/a
2003 80 46 0.00 n/a
2002 75 41 0.00 n/a
2001 85 51 0.00 n/a
2000 79 59 0.00 n/a
1999 74 50 0.00 n/a
1998 90 58 0.00 0.0
1997 80 58 0.00 0.0
1996 72 51 0.00 0.0
1995 69 55 0.11 0.0
1994 78 48 0.00 0.0
1993 84 54 0.00 0.0
1992 73 51 0.00 0.0
1991 80 51 0.00 0.0
1990 69 55 0.00 0.0
1989 85 60 0.00 0.0
1988 73 52 0.00 0.0
1987 74 58 0.00 0.0
1986 76 54 0.00 0.0
1985 90 59 0.00 0.0
1984 73 53 0.00 0.0
1983 85 54 0.00 0.0
1982 80 54 0.00 0.0
1981 99 72 0.00 0.0
1980 86 50 0.00 0.0
1979 74 46 0.00 0.0
1978 78 45 0.00 0.0
1977 71 50 0.00 0.0
1976 101 56 0.00 0.0
1975 82 53 0.00 0.0
1974 75 47 0.00 0.0
1973 75 45 0.00 0.0
1972 86 56 0.00 0.0
1971 93 53 0.00 0.0
1970 78 49 0.00 0.0
1969 74 53 0.00 0.0
1968 95 54 0.00 0.0
1967 72 50 0.00 0.0
1966 103 62 0.00 0.0
1965 78 44 0.00 0.0
1964 75 53 0.00 0.0
1963 84 53 0.00 0.0
1962 72 52 0.00 0.0
1961 103 64 0.00 0.0
1960 93 58 0.00 0.0
1959 82 44 0.00 0.0
1958 91 52 0.00 0.0
1957 82 52 0.00 0.0
1956 76 45 0.00 0.0
1955 73 44 0.00 0.0
1954 81 54 0.00 0.0
1953 78 50 0.00 0.0
1952 85 45 0.00 0.0
1951 75 53 0.00 0.0
1950 67 52 0.00 0.0
1949 78 55 0.00 0.0
1948 76 46 0.00 n/a
1947 95 50 0.00 n/a
1946 n/a n/a n/a n/a
1945 91 68 0.00 n/a
1944 65 47 0.55 n/a
1943 92 47 0.00 n/a
1942 79 48 0.00 n/a
1941 75 48 0.00 n/a
1940 78 52 0.00 n/a
1939 67 52 0.00 n/a
1938 90 54 0.00 n/a
1937 67 58 0.00 n/a
1936 76 56 0.00 n/a
1935 76 43 0.00 n/a
1934 76 51 0.00 n/a
1933 n/a n/a n/a n/a
1932 77 54 0.00 n/a
1931 72 57 0.26 n/a
1930 78 51 0.00 n/a
1929 71 47 n/a n/a
1928 72 45 0.00 n/a
1927 83 50 0.00 n/a
1926 71 44 0.00 n/a
1925 68 47 0.00 n/a
1924 70 44 0.00 n/a
1923 60 52 0.00 n/a
1922 89 48 0.00 n/a
1921 75 53 0.00 n/a
1920 76 44 0.00 n/a
1919 77 46 0.00 n/a
1918 84 66 0.00 n/a
1917 102 42 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 73 53 0.00 n/a
1913 76 49 0.00 n/a
1912 82 51 n/a n/a
1911 69 51 0.00 0.0
1910 72 52 n/a 0.0
1909 76 56 0.00 n/a
1908 78 55 n/a n/a
1907 74 48 0.00 n/a
1906 68 54 0.03 n/a
1905 73 52 0.00 n/a
1904 67 53 0.00 n/a
1903 70 49 0.00 n/a
1902 80 49 0.00 n/a
1901 92 46 0.00 n/a
What's the all-time high for Napa on 6/15?
For the date of Jun 15, the highest temperature ever reached in Napa history is 103 °F which has happened 2 times, most recently in 1966.
Highest Temperatures in Napa on June 15
Rank Temperature Year
1 103 °F 1961
1 103 °F 1966
3 102 °F 1917
4 101 °F 1976
5 99 °F 1981
6 95 °F 1968
6 95 °F 1947
8 93 °F 1971
8 93 °F 2004
8 93 °F 1960
What's the all-time low for Napa on 6/15?
For the date of Jun 15, the lowest temperature ever reached in Napa history is 41 °F which happened in 2002.
Lowest Temperatures in Napa on June 15
Rank Temperature Year
1 41 °F 2002
2 42 °F 1917
3 43 °F 1935
4 44 °F 1955
4 44 °F 2005
4 44 °F 1924
4 44 °F 1920
4 44 °F 1926
4 44 °F 1965
4 44 °F 1959
Lowest High Temperatures in Napa on June 15
Rank Temperature Year
1 60 °F 1923
2 65 °F 1944
3 67 °F 1937
3 67 °F 1950
3 67 °F 1939
3 67 °F 1904
7 68 °F 1925
7 68 °F 2018
7 68 °F 1906
10 69 °F 1995
10 69 °F 1911
10 69 °F 1990
What's the most it has ever rained in Napa on 6/15?
For the date of Jun 15, the most precipitation ever recorded in Napa history is 0.55 inches which happened in 1944.
All-Time Most Precipitation in Napa on June 15
Rank Precipitation Year
1 0.55 inches 1944
2 0.26 inches 1931
3 0.11 inches 1995
4 0.03 inches 1906
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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