Napa April 17 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of April 17.
April 17 All-Time Records
1901–2024
Highest temperature 88 °F 1954
Lowest temperature 32 °F 2022
Lowest daily high 47 °F 1923
Highest daily low 58 °F 1992
Most precipitation 0.84 inches 1967
April 17 Average Weather
1991–2020 1
Average high 68.9 °F
Average low 43.2 °F
Chance precipitation 21.3%
Napa April 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 76 46 0.00 n/a
2023 61 49 0.09 n/a
2022 64 32 0.00 n/a
2021 82 38 0.00 n/a
2020 63 52 0.00 n/a
2019 70 40 0.00 n/a
2018 62 34 0.00 n/a
2017 63 55 0.15 n/a
2016 81 44 0.00 n/a
2015 73 39 0.00 n/a
2014 69 45 0.00 n/a
2013 72 43 0.00 n/a
2012 67 43 0.00 n/a
2011 68 51 0.00 n/a
2010 69 44 0.00 n/a
2009 74 33 0.00 n/a
2008 77 35 0.00 n/a
2007 63 43 0.00 n/a
2006 61 37 0.00 n/a
2005 67 46 0.00 n/a
2004 64 32 0.00 n/a
2003 64 46 0.00 n/a
2002 59 36 0.00 n/a
2001 71 47 0.00 n/a
2000 62 46 0.34 n/a
1999 78 48 0.00 n/a
1998 70 39 0.00 0.0
1997 78 53 0.00 0.0
1996 63 41 0.10 0.0
1995 64 42 0.01 0.0
1994 78 49 0.00 0.0
1993 64 49 0.69 0.0
1992 76 58 0.00 0.0
1991 65 37 0.00 0.0
1990 64 53 0.00 0.0
1989 64 54 0.00 0.0
1988 66 49 0.00 0.0
1987 66 48 0.00 0.0
1986 66 39 0.08 0.0
1985 68 49 0.01 0.0
1984 65 44 0.00 0.0
1983 78 45 0.00 0.0
1982 71 40 0.00 0.0
1981 72 48 0.00 0.0
1980 77 42 0.00 0.0
1979 63 43 0.07 0.0
1978 66 37 0.00 0.0
1977 86 46 0.00 0.0
1976 66 36 0.00 0.0
1975 64 33 0.11 0.0
1974 75 46 0.00 0.0
1973 68 48 0.00 0.0
1972 68 38 0.00 0.0
1971 62 42 0.09 0.0
1970 69 36 0.00 0.0
1969 71 46 0.00 0.0
1968 66 46 0.00 0.0
1967 56 46 0.84 0.0
1966 76 49 0.00 0.0
1965 64 40 0.01 0.0
1964 66 43 0.00 0.0
1963 63 35 0.00 0.0
1962 80 42 0.00 0.0
1961 67 42 0.00 0.0
1960 72 39 0.00 0.0
1959 76 40 0.00 0.0
1958 72 47 0.00 0.0
1957 61 49 0.16 0.0
1956 74 41 0.00 0.0
1955 56 47 0.07 0.0
1954 88 52 0.00 0.0
1953 66 40 0.21 0.0
1952 85 42 0.00 0.0
1951 55 50 0.00 0.0
1950 83 45 0.00 0.0
1949 65 40 0.00 0.0
1948 67 47 0.15 n/a
1947 72 42 0.00 n/a
1946 68 46 0.00 n/a
1945 81 43 0.00 n/a
1944 65 37 0.00 n/a
1943 74 46 0.00 n/a
1942 63 40 0.00 n/a
1941 67 36 0.00 n/a
1940 79 49 0.00 n/a
1939 86 46 0.00 n/a
1938 76 51 0.00 n/a
1937 69 43 0.00 n/a
1936 66 49 0.00 n/a
1935 70 41 0.00 n/a
1934 78 46 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 70 39 0.00 n/a
1931 75 43 0.00 n/a
1930 75 40 0.00 n/a
1929 74 38 0.00 n/a
1928 58 40 0.09 n/a
1927 66 40 0.00 n/a
1926 56 49 0.05 n/a
1925 57 47 0.02 n/a
1924 80 39 0.00 n/a
1923 47 44 0.08 n/a
1922 73 41 0.00 n/a
1921 65 46 0.60 n/a
1920 78 47 0.00 n/a
1919 68 52 0.00 n/a
1918 81 44 0.00 n/a
1917 61 32 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 75 48 0.00 n/a
1913 52 48 0.07 n/a
1912 65 41 0.00 n/a
1911 78 42 0.00 0.0
1910 61 46 0.00 0.0
1909 59 50 0.00 n/a
1908 69 39 0.00 n/a
1907 75 46 0.00 n/a
1906 69 44 0.00 n/a
1905 65 43 n/a n/a
1904 67 41 n/a n/a
1903 64 42 n/a n/a
1902 71 48 0.00 n/a
1901 n/a n/a n/a n/a
What's the all-time high for Napa on 4/17?
For the date of Apr 17, the highest temperature ever reached in Napa history is 88 °F which happened in 1954.
Highest Temperatures in Napa on April 17
Rank Temperature Year
1 88 °F 1954
2 86 °F 1939
2 86 °F 1977
4 85 °F 1952
5 83 °F 1950
6 82 °F 2021
7 81 °F 1945
7 81 °F 2016
7 81 °F 1918
10 80 °F 1924
10 80 °F 1962
What's the all-time low for Napa on 4/17?
For the date of Apr 17, the lowest temperature ever reached in Napa history is 32 °F which has happened 3 times, most recently in 2022.
Lowest Temperatures in Napa on April 17
Rank Temperature Year
1 32 °F 2004
1 32 °F 1917
1 32 °F 2022
4 33 °F 1975
4 33 °F 2009
6 34 °F 2018
7 35 °F 1963
7 35 °F 2008
9 36 °F 1970
9 36 °F 1941
9 36 °F 1976
9 36 °F 2002
Lowest High Temperatures in Napa on April 17
Rank Temperature Year
1 47 °F 1923
2 52 °F 1913
3 55 °F 1951
4 56 °F 1955
4 56 °F 1926
4 56 °F 1967
7 57 °F 1925
8 58 °F 1928
9 59 °F 2002
9 59 °F 1909
What's the most it has ever rained in Napa on 4/17?
For the date of Apr 17, the most precipitation ever recorded in Napa history is 0.84 inches which happened in 1967.
All-Time Most Precipitation in Napa on April 17
Rank Precipitation Year
1 0.84 inches 1967
2 0.69 inches 1993
3 0.60 inches 1921
4 0.34 inches 2000
5 0.21 inches 1953
6 0.16 inches 1957
7 0.15 inches 1948
7 0.15 inches 2017
9 0.11 inches 1975
10 0.10 inches 1996
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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