Napa July 15 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of July 15.
July 15 All-Time Records
1901–2024
Highest temperature 109 °F 1972
Lowest temperature 44 °F 2004
Lowest daily high 67 °F 1927
Highest daily low 64 °F 1995
Most precipitation 0.14 inches 1975
July 15 Average Weather
1991–2020 1
Average high 79.7 °F
Average low 53.9 °F
Chance precipitation 0.3%
Napa July 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 87 58 0.00 n/a
2022 77 54 0.00 n/a
2021 70 54 0.00 n/a
2020 75 56 0.00 n/a
2019 88 52 0.00 n/a
2018 77 54 0.00 n/a
2017 92 54 0.00 n/a
2016 76 54 0.00 n/a
2015 77 60 0.00 n/a
2014 81 59 0.00 n/a
2013 72 51 0.00 0.0
2012 75 55 0.00 n/a
2011 71 51 0.00 n/a
2010 91 52 0.00 n/a
2009 79 50 0.00 n/a
2008 79 57 0.00 n/a
2007 89 49 0.00 n/a
2006 82 57 0.00 n/a
2005 86 53 0.00 n/a
2004 88 44 0.00 n/a
2003 81 58 0.00 n/a
2002 68 55 0.00 n/a
2001 69 54 0.00 n/a
2000 71 53 0.00 n/a
1999 69 51 0.00 n/a
1998 100 57 0.00 0.0
1997 83 53 0.00 0.0
1996 78 55 0.00 0.0
1995 102 64 0.00 0.0
1994 72 54 0.00 0.0
1993 84 52 0.00 0.0
1992 85 57 0.00 0.0
1991 78 54 0.00 0.0
1990 76 55 0.00 0.0
1989 82 52 0.00 0.0
1988 90 56 0.00 0.0
1987 80 54 0.00 0.0
1986 71 53 0.00 0.0
1985 83 55 0.00 0.0
1984 90 58 0.00 0.0
1983 84 55 0.00 0.0
1982 86 60 0.00 0.0
1981 97 50 0.00 0.0
1980 93 56 0.00 0.0
1979 81 51 0.00 0.0
1978 90 53 0.00 0.0
1977 87 49 0.00 0.0
1976 77 52 0.00 0.0
1975 72 55 0.14 0.0
1974 89 53 0.00 0.0
1973 76 57 0.00 0.0
1972 109 64 0.00 0.0
1971 81 52 0.00 0.0
1970 77 54 0.00 0.0
1969 81 50 0.00 0.0
1968 80 50 0.00 0.0
1967 78 56 0.00 0.0
1966 80 48 0.00 0.0
1965 87 53 0.00 0.0
1964 82 57 0.00 0.0
1963 76 51 0.00 0.0
1962 85 51 0.00 0.0
1961 89 52 0.00 0.0
1960 85 56 0.00 0.0
1959 79 51 0.00 0.0
1958 74 51 0.00 0.0
1957 95 53 0.00 0.0
1956 76 54 0.00 0.0
1955 77 54 0.00 0.0
1954 72 54 0.00 0.0
1953 85 54 0.00 0.0
1952 83 54 0.00 0.0
1951 85 50 0.00 0.0
1950 83 51 0.00 0.0
1949 83 48 0.00 0.0
1948 94 56 0.00 0.0
1947 n/a n/a 0.00 n/a
1946 80 45 0.00 n/a
1945 87 53 0.00 n/a
1944 75 56 0.00 n/a
1943 71 53 0.00 n/a
1942 82 56 0.00 n/a
1941 78 55 0.00 n/a
1940 72 55 0.00 n/a
1939 87 51 0.00 n/a
1938 77 53 0.00 n/a
1937 73 52 0.00 n/a
1936 78 50 0.00 n/a
1935 90 53 0.00 n/a
1934 79 52 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 89 51 0.00 n/a
1931 77 52 0.00 n/a
1930 70 52 0.00 n/a
1929 85 58 0.00 n/a
1928 73 47 0.00 n/a
1927 67 52 0.00 n/a
1926 100 52 0.00 n/a
1925 78 53 0.00 n/a
1924 76 46 0.00 n/a
1923 70 54 0.00 n/a
1922 95 53 0.00 n/a
1921 78 50 0.00 n/a
1920 80 44 0.00 n/a
1919 81 49 0.00 n/a
1918 81 50 0.00 n/a
1917 84 54 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 89 59 0.00 n/a
1913 83 59 0.00 n/a
1912 92 56 0.00 n/a
1911 82 52 0.00 0.0
1910 81 56 0.00 0.0
1909 82 55 0.00 n/a
1908 87 56 0.00 n/a
1907 72 57 0.00 n/a
1906 79 56 0.00 n/a
1905 72 62 0.00 n/a
1904 74 56 0.00 n/a
1903 76 49 0.00 n/a
1902 94 48 0.00 n/a
1901 77 47 0.00 n/a
What's the all-time high for Napa on 7/15?
For the date of Jul 15, the highest temperature ever reached in Napa history is 109 °F which happened in 1972.
Highest Temperatures in Napa on July 15
Rank Temperature Year
1 109 °F 1972
2 102 °F 1995
3 100 °F 1998
3 100 °F 1926
5 97 °F 1981
6 95 °F 1957
6 95 °F 1922
8 94 °F 1948
8 94 °F 1902
10 93 °F 1980
What's the all-time low for Napa on 7/15?
For the date of Jul 15, the lowest temperature ever reached in Napa history is 44 °F which has happened 2 times, most recently in 2004.
Lowest Temperatures in Napa on July 15
Rank Temperature Year
1 44 °F 1920
1 44 °F 2004
3 45 °F 1946
4 46 °F 1924
5 47 °F 1901
5 47 °F 1928
7 48 °F 1902
7 48 °F 1949
7 48 °F 1966
10 49 °F 1919
10 49 °F 1977
10 49 °F 2007
10 49 °F 1903
Lowest High Temperatures in Napa on July 15
Rank Temperature Year
1 67 °F 1927
2 68 °F 2002
3 69 °F 1999
3 69 °F 2001
5 70 °F 1923
5 70 °F 2021
5 70 °F 1930
8 71 °F 2000
8 71 °F 1986
8 71 °F 1943
8 71 °F 2011
What's the most it has ever rained in Napa on 7/15?
For the date of Jul 15, the most precipitation ever recorded in Napa history is 0.14 inches which happened in 1975.
All-Time Most Precipitation in Napa on July 15
Rank Precipitation Year
1 0.14 inches 1975
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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