Napa July 30 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of July 30.
July 30 All-Time Records
1901–2024
Highest temperature 103 °F 1977
Lowest temperature 43 °F 1961
Lowest daily high 68 °F 1937
Highest daily low 66 °F 1918
Most precipitation 0.04 inches 1966
July 30 Average Weather
1991–2020 1
Average high 79.9 °F
Average low 54.2 °F
Chance precipitation 0.5%
Napa July 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 52 0.00 n/a
2022 72 58 0.00 n/a
2021 78 54 0.00 n/a
2020 78 54 0.00 n/a
2019 72 55 0.00 n/a
2018 74 51 0.00 n/a
2017 77 46 0.00 n/a
2016 76 50 0.00 n/a
2015 80 59 0.00 n/a
2014 80 55 0.00 n/a
2013 74 54 0.00 0.0
2012 88 56 0.00 n/a
2011 74 57 0.00 n/a
2010 72 52 0.00 n/a
2009 77 56 0.00 n/a
2008 77 50 0.00 n/a
2007 81 58 0.00 n/a
2006 81 51 0.00 n/a
2005 80 54 0.00 n/a
2004 73 56 0.00 n/a
2003 77 57 0.00 n/a
2002 80 55 0.00 n/a
2001 76 52 0.00 n/a
2000 84 55 0.00 n/a
1999 76 50 0.00 n/a
1998 76 59 0.00 0.0
1997 75 55 0.00 0.0
1996 91 58 0.00 0.0
1995 99 57 0.00 0.0
1994 77 57 0.00 0.0
1993 93 53 0.00 0.0
1992 78 53 0.00 0.0
1991 84 57 0.00 0.0
1990 76 54 0.00 0.0
1989 83 51 0.00 0.0
1988 82 58 0.00 0.0
1987 81 50 0.00 0.0
1986 95 54 0.00 0.0
1985 76 55 0.00 0.0
1984 87 53 0.00 0.0
1983 80 58 0.00 0.0
1982 80 54 0.00 0.0
1981 74 52 0.00 0.0
1980 90 58 0.00 0.0
1979 97 56 0.00 0.0
1978 80 50 0.00 0.0
1977 103 60 0.00 0.0
1976 77 57 0.00 0.0
1975 80 52 0.00 0.0
1974 81 54 0.00 0.0
1973 79 53 0.00 0.0
1972 81 51 0.00 0.0
1971 81 59 0.00 0.0
1970 79 51 0.00 0.0
1969 76 49 0.00 0.0
1968 86 52 0.00 0.0
1967 85 55 0.00 0.0
1966 70 52 0.04 0.0
1965 89 48 0.00 0.0
1964 80 54 0.00 0.0
1963 82 54 0.00 0.0
1962 75 51 0.00 0.0
1961 86 43 0.00 0.0
1960 79 52 0.00 0.0
1959 77 49 0.00 0.0
1958 82 56 0.00 0.0
1957 80 47 0.00 0.0
1956 75 53 0.00 0.0
1955 82 50 0.00 0.0
1954 83 51 0.00 0.0
1953 76 54 0.00 0.0
1952 71 50 0.00 0.0
1951 94 49 0.00 0.0
1950 85 53 0.00 0.0
1949 78 51 0.00 0.0
1948 86 50 0.00 0.0
1947 83 53 0.00 n/a
1946 85 53 0.00 n/a
1945 86 52 0.00 n/a
1944 76 55 0.00 n/a
1943 77 51 0.00 n/a
1942 78 52 0.00 n/a
1941 84 53 0.00 n/a
1940 82 52 0.00 n/a
1939 77 51 0.00 n/a
1938 88 49 0.00 n/a
1937 68 51 0.00 n/a
1936 83 54 0.00 n/a
1935 73 49 0.00 n/a
1934 87 55 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 81 49 0.00 n/a
1931 74 53 0.00 n/a
1930 99 52 0.00 n/a
1929 75 54 0.00 n/a
1928 71 51 0.00 n/a
1927 70 52 0.00 n/a
1926 88 52 0.00 n/a
1925 72 52 0.00 n/a
1924 78 44 0.00 n/a
1923 69 52 0.00 n/a
1922 85 51 0.00 n/a
1921 70 50 0.00 n/a
1920 91 50 0.00 n/a
1919 69 49 0.00 n/a
1918 86 66 0.00 n/a
1917 93 45 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 79 52 0.00 n/a
1913 78 60 0.00 n/a
1912 76 58 0.00 n/a
1911 84 48 0.00 0.0
1910 74 49 0.00 0.0
1909 74 56 0.00 n/a
1908 96 60 0.00 n/a
1907 80 57 0.00 n/a
1906 93 57 0.00 n/a
1905 73 58 0.00 n/a
1904 76 51 0.00 n/a
1903 81 53 0.00 n/a
1902 82 n/a 0.00 n/a
1901 78 51 0.00 n/a
What's the all-time high for Napa on 7/30?
For the date of Jul 30, the highest temperature ever reached in Napa history is 103 °F which happened in 1977.
Highest Temperatures in Napa on July 30
Rank Temperature Year
1 103 °F 1977
2 99 °F 1930
2 99 °F 1995
4 97 °F 1979
5 96 °F 1908
6 95 °F 1986
7 94 °F 1951
8 93 °F 1917
8 93 °F 1906
8 93 °F 1993
What's the all-time low for Napa on 7/30?
For the date of Jul 30, the lowest temperature ever reached in Napa history is 43 °F which happened in 1961.
Lowest Temperatures in Napa on July 30
Rank Temperature Year
1 43 °F 1961
2 44 °F 1924
3 45 °F 1917
4 46 °F 2017
5 47 °F 1957
6 48 °F 1965
6 48 °F 1911
8 49 °F 1919
8 49 °F 1951
8 49 °F 1959
8 49 °F 1969
8 49 °F 1910
8 49 °F 1935
8 49 °F 1932
8 49 °F 1938
Lowest High Temperatures in Napa on July 30
Rank Temperature Year
1 68 °F 1937
2 69 °F 1923
2 69 °F 1919
4 70 °F 1966
4 70 °F 1927
4 70 °F 1921
7 71 °F 1928
7 71 °F 1952
9 72 °F 2022
9 72 °F 2019
9 72 °F 2010
9 72 °F 1925
What's the most it has ever rained in Napa on 7/30?
For the date of Jul 30, the most precipitation ever recorded in Napa history is 0.04 inches which happened in 1966.
All-Time Most Precipitation in Napa on July 30
Rank Precipitation Year
1 0.04 inches 1966
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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