Napa August 25 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of August 25.
August 25 All-Time Records
1901–2024
Highest temperature 100 °F 1931
Lowest temperature 44 °F 1938
Lowest daily high 61 °F 1926
Highest daily low 66 °F 1986
Most precipitation 0.07 inches 1926
August 25 Average Weather
1991–2020 1
Average high 81.3 °F
Average low 53.2 °F
Chance precipitation 0.8%
Napa August 25 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 57 0.00 n/a
2022 76 57 0.00 n/a
2021 75 50 0.00 n/a
2020 77 57 0.00 n/a
2019 84 55 0.00 n/a
2018 73 50 0.00 n/a
2017 79 56 0.00 n/a
2016 73 53 0.00 n/a
2015 80 52 0.00 n/a
2014 73 57 0.00 n/a
2013 81 61 0.00 0.0
2012 69 51 0.00 n/a
2011 76 57 0.00 n/a
2010 88 59 0.00 n/a
2009 76 53 0.00 n/a
2008 87 51 0.00 n/a
2007 78 57 0.00 n/a
2006 69 56 0.00 n/a
2005 77 50 0.00 n/a
2004 84 54 0.00 n/a
2003 98 54 0.00 n/a
2002 73 50 0.00 n/a
2001 83 48 0.00 n/a
2000 85 47 0.00 n/a
1999 98 51 0.00 n/a
1998 85 56 0.00 0.0
1997 82 54 0.00 0.0
1996 77 52 0.00 0.0
1995 74 56 0.00 0.0
1994 80 55 0.00 0.0
1993 90 55 0.00 0.0
1992 78 50 0.00 0.0
1991 85 51 0.00 0.0
1990 74 54 0.00 0.0
1989 84 52 0.00 0.0
1988 99 54 0.00 0.0
1987 80 54 0.00 0.0
1986 87 66 0.00 0.0
1985 79 54 0.00 0.0
1984 74 51 0.00 0.0
1983 79 56 0.00 0.0
1982 75 55 0.00 0.0
1981 85 49 0.00 0.0
1980 74 52 0.00 0.0
1979 82 53 0.00 0.0
1978 81 51 0.00 0.0
1977 79 52 0.00 0.0
1976 83 53 0.00 0.0
1975 84 54 0.00 0.0
1974 80 54 0.00 0.0
1973 78 53 0.00 0.0
1972 82 57 0.00 0.0
1971 78 57 0.00 0.0
1970 81 50 0.00 0.0
1969 90 57 0.00 0.0
1968 79 57 0.00 0.0
1967 81 56 0.00 0.0
1966 79 51 0.00 0.0
1965 85 57 0.00 0.0
1964 77 59 0.00 0.0
1963 84 47 0.00 0.0
1962 85 46 0.00 0.0
1961 82 52 0.00 0.0
1960 89 50 0.00 0.0
1959 82 56 0.00 0.0
1958 80 54 0.00 0.0
1957 72 54 0.00 0.0
1956 87 53 0.00 0.0
1955 72 48 0.00 0.0
1954 72 53 0.00 0.0
1953 78 46 0.00 0.0
1952 86 60 0.00 0.0
1951 85 50 0.00 0.0
1950 92 58 0.00 0.0
1949 82 55 0.00 0.0
1948 84 50 0.00 0.0
1947 70 52 0.00 n/a
1946 77 52 0.00 n/a
1945 85 48 0.00 n/a
1944 90 48 0.00 n/a
1943 85 56 0.00 n/a
1942 71 50 0.00 n/a
1941 87 55 0.00 n/a
1940 72 54 0.00 n/a
1939 83 46 0.00 n/a
1938 79 44 0.00 n/a
1937 84 49 0.00 n/a
1936 87 50 0.00 n/a
1935 86 50 0.00 n/a
1934 72 54 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 97 44 0.00 n/a
1931 100 52 0.00 n/a
1930 87 50 0.00 n/a
1929 80 55 0.00 n/a
1928 66 50 0.00 n/a
1927 81 48 0.00 n/a
1926 61 48 0.07 n/a
1925 91 54 0.00 n/a
1924 87 51 0.00 n/a
1923 90 52 0.00 n/a
1922 93 48 0.00 n/a
1921 80 52 0.00 n/a
1920 67 52 0.00 n/a
1919 86 46 0.00 n/a
1918 80 51 0.00 n/a
1917 80 56 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 72 54 0.00 n/a
1913 76 60 0.00 n/a
1912 82 51 n/a n/a
1911 72 50 0.00 n/a
1910 82 49 0.00 n/a
1909 97 52 0.00 n/a
1908 90 51 0.00 n/a
1907 77 55 0.00 n/a
1906 83 54 0.00 n/a
1905 82 50 0.00 n/a
1904 83 52 0.00 n/a
1903 78 50 0.00 n/a
1902 74 59 0.00 n/a
1901 89 46 0.00 n/a
What's the all-time high for Napa on 8/25?
For the date of Aug 25, the highest temperature ever reached in Napa history is 100 °F which happened in 1931.
Highest Temperatures in Napa on August 25
Rank Temperature Year
1 100 °F 1931
2 99 °F 1988
3 98 °F 1999
3 98 °F 2003
5 97 °F 1909
5 97 °F 1932
7 93 °F 1922
8 92 °F 1950
9 91 °F 1925
10 90 °F 1944
10 90 °F 1969
10 90 °F 1923
10 90 °F 1908
10 90 °F 1993
What's the all-time low for Napa on 8/25?
For the date of Aug 25, the lowest temperature ever reached in Napa history is 44 °F which has happened 2 times, most recently in 1938.
Lowest Temperatures in Napa on August 25
Rank Temperature Year
1 44 °F 1932
1 44 °F 1938
3 46 °F 1901
3 46 °F 1919
3 46 °F 1953
3 46 °F 1939
3 46 °F 1962
8 47 °F 2000
8 47 °F 1963
10 48 °F 1945
10 48 °F 1944
10 48 °F 1926
10 48 °F 1922
10 48 °F 2001
10 48 °F 1927
10 48 °F 1955
Lowest High Temperatures in Napa on August 25
Rank Temperature Year
1 61 °F 1926
2 66 °F 1928
3 67 °F 1920
4 69 °F 2012
4 69 °F 2006
6 70 °F 1947
7 71 °F 1942
8 72 °F 1914
8 72 °F 1934
8 72 °F 1954
8 72 °F 1911
8 72 °F 1957
8 72 °F 1940
8 72 °F 1955
What's the most it has ever rained in Napa on 8/25?
For the date of Aug 25, the most precipitation ever recorded in Napa history is 0.07 inches which happened in 1926.
All-Time Most Precipitation in Napa on August 25
Rank Precipitation Year
1 0.07 inches 1926
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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