Vacaville May 20 Weather Records

Daily averages and all-time records for weather in Vacaville, California for the date of May 20.
May 20 All-Time Records
1893–2024
Highest temperature 104 °F 1947
Lowest temperature 38 °F 1933
Lowest daily high 55 °F 1957
Highest daily low 71 °F 1983
Most precipitation 0.62 inches 1901
May 20 Average Weather
1991–2020 1
Average high 81.8 °F
Average low 52.5 °F
Chance precipitation 9.4%
Vacaville May 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 54 0.00 n/a
2022 85 61 0.00 0.0
2021 72 51 0.00 n/a
2020 78 52 0.00 n/a
2019 70 43 0.00 n/a
2018 75 50 0.00 n/a
2017 93 53 0.00 n/a
2016 71 52 0.00 n/a
2015 75 52 0.00 n/a
2014 75 54 0.00 n/a
2013 91 64 0.00 n/a
2012 91 54 0.00 n/a
2011 79 50 0.00 n/a
2010 77 48 0.00 n/a
2009 83 52 0.00 n/a
2008 85 60 0.00 n/a
2007 87 57 0.00 n/a
2006 75 51 0.00 n/a
2005 77 49 0.00 n/a
2004 77 52 0.00 n/a
2003 90 49 0.00 n/a
2002 63 49 0.52 n/a
2001 102 59 0.00 n/a
2000 98 57 0.00 n/a
1999 71 50 0.00 n/a
1998 72 45 0.00 0.0
1997 95 56 0.00 0.0
1996 77 49 0.00 0.0
1995 86 49 0.00 0.0
1994 76 42 0.00 0.0
1993 78 58 0.00 0.0
1992 83 50 0.00 0.0
1991 79 45 0.00 0.0
1990 69 52 n/a 0.0
1989 82 50 0.00 0.0
1988 n/a n/a n/a n/a
1987 73 52 0.08 0.0
1986 76 55 0.00 0.0
1985 n/a n/a n/a n/a
1984 87 58 0.00 0.0
1983 91 71 0.00 0.0
1982 83 50 0.00 0.0
1981 75 43 0.00 0.0
1980 96 58 0.00 0.0
1979 82 54 0.00 0.0
1978 92 52 0.00 0.0
1977 82 49 0.00 0.0
1976 85 43 0.00 0.0
1975 79 54 0.00 0.0
1974 73 46 0.00 0.0
1973 75 49 0.00 0.0
1972 64 50 0.01 0.0
1971 82 46 0.00 0.0
1970 78 42 0.00 0.0
1969 87 46 0.00 0.0
1968 76 58 0.00 0.0
1967 92 53 0.00 0.0
1966 92 53 0.00 0.0
1965 69 48 0.00 0.0
1964 79 48 0.00 0.0
1963 73 52 0.00 0.0
1962 76 46 0.00 0.0
1961 n/a n/a n/a n/a
1960 75 55 0.00 0.0
1959 85 60 0.00 0.0
1958 86 57 0.00 0.0
1957 55 50 0.40 0.0
1956 83 45 0.00 0.0
1955 97 58 0.00 0.0
1954 82 50 0.00 0.0
1953 78 45 0.00 0.0
1952 83 59 0.00 0.0
1951 n/a n/a n/a n/a
1950 97 48 0.00 0.0
1949 73 50 0.00 0.0
1948 60 45 0.19 0.0
1947 104 56 0.00 0.0
1946 72 43 0.00 0.0
1945 77 40 0.00 0.0
1944 88 45 0.00 0.0
1943 89 n/a 0.00 n/a
1942 94 54 0.00 n/a
1941 94 61 0.00 n/a
1940 89 52 0.00 n/a
1939 73 51 0.00 n/a
1938 79 45 0.00 0.0
1937 89 43 0.00 n/a
1936 88 49 0.00 n/a
1935 99 n/a 0.00 n/a
1934 95 43 0.00 n/a
1933 76 38 0.00 n/a
1932 70 42 0.07 n/a
1931 96 65 0.00 n/a
1930 81 50 0.00 n/a
1929 84 50 0.00 n/a
1928 84 50 0.00 n/a
1927 70 47 0.00 n/a
1926 85 54 0.00 n/a
1925 70 53 0.13 0.0
1924 80 50 0.00 n/a
1923 75 40 n/a n/a
1922 69 47 0.05 n/a
1921 64 45 0.06 n/a
1920 98 50 n/a n/a
1919 84 51 n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 78 46 0.00 n/a
1915 n/a n/a n/a n/a
1914 85 60 n/a n/a
1913 82 51 0.00 n/a
1912 66 57 0.07 0.0
1911 88 66 0.00 0.0
1910 69 50 0.00 0.0
1909 71 47 n/a n/a
1908 75 46 0.00 n/a
1907 76 42 0.00 n/a
1906 75 47 0.00 n/a
1905 77 48 0.00 n/a
1904 n/a n/a 0.00 n/a
1903 n/a n/a 0.00 n/a
1902 n/a n/a 0.00 n/a
1901 n/a n/a 0.62 n/a
1900 n/a n/a 0.00 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a 0.00 n/a
1897 n/a n/a 0.00 n/a
1896 n/a n/a n/a n/a
1895 n/a n/a n/a n/a
1894 n/a n/a 0.15 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Vacaville on 5/20?
For the date of May 20, the highest temperature ever reached in Vacaville history is 104 °F which happened in 1947.
Highest Temperatures in Vacaville on May 20
Rank Temperature Year
1 104 °F 1947
2 102 °F 2001
3 99 °F 1935
4 98 °F 2000
4 98 °F 1920
6 97 °F 1955
6 97 °F 1950
8 96 °F 1931
8 96 °F 1980
10 95 °F 1934
10 95 °F 1997
What's the all-time low for Vacaville on 5/20?
For the date of May 20, the lowest temperature ever reached in Vacaville history is 38 °F which happened in 1933.
Lowest Temperatures in Vacaville on May 20
Rank Temperature Year
1 38 °F 1933
2 40 °F 1945
2 40 °F 1923
4 42 °F 1970
4 42 °F 1994
4 42 °F 1932
4 42 °F 1907
8 43 °F 1981
8 43 °F 1946
8 43 °F 2019
8 43 °F 1934
8 43 °F 1976
8 43 °F 1937
Lowest High Temperatures in Vacaville on May 20
Rank Temperature Year
1 55 °F 1957
2 60 °F 1948
3 63 °F 2002
4 64 °F 1921
4 64 °F 1972
6 66 °F 1912
7 69 °F 1990
7 69 °F 1922
7 69 °F 1910
7 69 °F 1965
What's the most it has ever rained in Vacaville on 5/20?
For the date of May 20, the most precipitation ever recorded in Vacaville history is 0.62 inches which happened in 1901.
All-Time Most Precipitation in Vacaville on May 20
Rank Precipitation Year
1 0.62 inches 1901
2 0.52 inches 2002
3 0.40 inches 1957
4 0.19 inches 1948
5 0.15 inches 1894
6 0.13 inches 1925
7 0.08 inches 1987
8 0.07 inches 1912
8 0.07 inches 1932
10 0.06 inches 1921
Weather Station Details
Years Station Coordinates
1999–2024 Vacaville Nut Tree Airport location
1893–1998 Vacaville location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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