Vacaville May 21 Weather Records

Daily averages and all-time records for weather in Vacaville, California for the date of May 21.
May 21 All-Time Records
1893–2024
Highest temperature 101 °F 2001
Lowest temperature 37 °F 1930
Lowest daily high 64 °F 1933
Highest daily low 67 °F 1936
Most precipitation 1.28 inches 2006
May 21 Average Weather
1991–2020 1
Average high 82.1 °F
Average low 52.7 °F
Chance precipitation 9.2%
Vacaville May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 88 53 0.00 n/a
2022 90 53 0.00 0.0
2021 76 54 0.00 n/a
2020 86 48 0.00 n/a
2019 68 50 0.03 n/a
2018 83 48 0.00 n/a
2017 96 56 0.00 n/a
2016 69 50 0.16 n/a
2015 75 53 0.00 n/a
2014 82 50 0.00 n/a
2013 83 56 0.00 n/a
2012 83 57 0.00 n/a
2011 78 53 0.00 n/a
2010 65 46 0.00 n/a
2009 87 53 0.00 n/a
2008 83 57 0.00 n/a
2007 89 52 0.00 n/a
2006 69 53 1.28 n/a
2005 87 49 0.00 n/a
2004 73 51 0.00 n/a
2003 92 54 0.00 n/a
2002 65 45 0.00 n/a
2001 101 66 0.00 n/a
2000 101 59 0.00 n/a
1999 92 46 0.00 n/a
1998 72 47 0.00 0.0
1997 87 49 0.00 0.0
1996 72 52 0.24 0.0
1995 78 49 0.00 0.0
1994 76 45 0.00 0.0
1993 78 53 0.00 0.0
1992 92 52 0.00 0.0
1991 87 47 0.00 0.0
1990 75 53 0.00 0.0
1989 75 44 0.00 0.0
1988 n/a n/a n/a n/a
1987 73 48 0.00 0.0
1986 75 45 0.00 0.0
1985 n/a n/a n/a n/a
1984 81 49 0.00 0.0
1983 91 54 0.00 0.0
1982 79 49 0.00 0.0
1981 76 47 0.00 0.0
1980 93 51 0.00 0.0
1979 73 55 0.00 0.0
1978 88 55 0.00 0.0
1977 80 47 0.00 0.0
1976 83 51 0.00 0.0
1975 83 45 0.00 0.0
1974 80 39 0.00 0.0
1973 85 45 0.00 0.0
1972 68 50 0.08 0.0
1971 74 45 0.00 0.0
1970 88 47 0.00 0.0
1969 86 50 0.00 0.0
1968 74 50 0.00 0.0
1967 96 53 0.00 0.0
1966 82 54 0.00 0.0
1965 72 51 0.04 0.0
1964 83 47 0.00 0.0
1963 65 49 0.00 0.0
1962 85 57 0.00 0.0
1961 n/a n/a n/a n/a
1960 70 45 0.00 0.0
1959 89 58 0.00 0.0
1958 87 53 0.00 0.0
1957 78 51 0.19 0.0
1956 91 49 0.00 0.0
1955 89 53 0.00 0.0
1954 86 48 0.00 0.0
1953 71 47 0.12 0.0
1952 88 46 0.00 0.0
1951 95 49 0.00 0.0
1950 99 54 0.00 0.0
1949 80 43 0.00 0.0
1948 74 44 0.00 0.0
1947 101 58 0.00 0.0
1946 69 43 0.00 0.0
1945 76 50 0.00 0.0
1944 84 53 0.00 0.0
1943 94 n/a 0.00 n/a
1942 88 58 0.00 n/a
1941 92 51 0.00 n/a
1940 87 51 0.00 n/a
1939 74 49 0.40 n/a
1938 84 44 0.00 0.0
1937 89 45 0.00 n/a
1936 94 67 0.00 n/a
1935 100 54 0.00 n/a
1934 101 45 0.00 n/a
1933 64 44 0.17 n/a
1932 70 39 0.00 n/a
1931 80 49 0.00 n/a
1930 80 37 0.00 n/a
1929 91 49 0.00 n/a
1928 77 52 0.00 n/a
1927 77 48 0.00 n/a
1926 88 50 0.00 n/a
1925 73 52 0.00 0.0
1924 70 50 0.00 n/a
1923 80 40 n/a n/a
1922 79 38 0.00 n/a
1921 76 49 0.04 n/a
1920 89 48 n/a n/a
1919 80 54 n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 76 47 0.00 n/a
1915 n/a n/a n/a n/a
1914 83 60 n/a n/a
1913 86 49 0.00 n/a
1912 65 43 0.05 0.0
1911 92 56 0.00 0.0
1910 74 48 0.00 0.0
1909 67 49 n/a n/a
1908 84 44 0.00 n/a
1907 67 43 0.00 n/a
1906 76 39 0.00 n/a
1905 78 56 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 0.00 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 0.09 n/a
1897 n/a n/a 0.00 n/a
1896 n/a n/a 0.49 n/a
1895 n/a n/a n/a n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Vacaville on 5/21?
For the date of May 21, the highest temperature ever reached in Vacaville history is 101 °F which has happened 4 times, most recently in 2001.
Highest Temperatures in Vacaville on May 21
Rank Temperature Year
1 101 °F 2000
1 101 °F 1934
1 101 °F 2001
1 101 °F 1947
5 100 °F 1935
6 99 °F 1950
7 96 °F 1967
7 96 °F 2017
9 95 °F 1951
10 94 °F 1943
10 94 °F 1936
What's the all-time low for Vacaville on 5/21?
For the date of May 21, the lowest temperature ever reached in Vacaville history is 37 °F which happened in 1930.
Lowest Temperatures in Vacaville on May 21
Rank Temperature Year
1 37 °F 1930
2 38 °F 1922
3 39 °F 1932
3 39 °F 1974
3 39 °F 1906
6 40 °F 1923
7 43 °F 1946
7 43 °F 1907
7 43 °F 1912
7 43 °F 1949
Lowest High Temperatures in Vacaville on May 21
Rank Temperature Year
1 64 °F 1933
2 65 °F 2010
2 65 °F 1963
2 65 °F 2002
2 65 °F 1912
6 67 °F 1907
6 67 °F 1909
8 68 °F 1972
8 68 °F 2019
10 69 °F 2016
10 69 °F 1946
10 69 °F 2006
What's the most it has ever rained in Vacaville on 5/21?
For the date of May 21, the most precipitation ever recorded in Vacaville history is 1.28 inches which happened in 2006.
All-Time Most Precipitation in Vacaville on May 21
Rank Precipitation Year
1 1.28 inches 2006
2 0.49 inches 1896
3 0.40 inches 1939
4 0.24 inches 1996
5 0.19 inches 1957
6 0.17 inches 1933
7 0.16 inches 2016
8 0.12 inches 1953
9 0.09 inches 1898
10 0.08 inches 1972
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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