Vacaville August 21 Weather Records

Daily averages and all-time records for weather in Vacaville, California for the date of August 21.
August 21 All-Time Records
1893–2024
Highest temperature 104 °F 1945
Lowest temperature 43 °F 1943
Lowest daily high 71 °F 1968
Highest daily low 67 °F 2023
Most precipitation 0.20 inches 2003
August 21 Average Weather
1991–2020 1
Average high 93.9 °F
Average low 58.4 °F
Chance precipitation 0.7%
Vacaville August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 67 0.01 n/a
2022 91 67 0.00 n/a
2021 77 59 0.00 n/a
2020 96 58 0.00 n/a
2019 98 57 0.00 n/a
2018 80 56 0.00 n/a
2017 88 63 0.00 n/a
2016 95 60 0.00 n/a
2015 89 58 0.00 n/a
2014 89 57 0.00 n/a
2013 92 63 0.00 0.0
2012 97 57 0.00 n/a
2011 86 55 0.00 n/a
2010 83 57 0.00 n/a
2009 102 60 0.00 n/a
2008 91 67 0.00 n/a
2007 100 63 0.00 n/a
2006 92 57 0.00 n/a
2005 96 56 0.00 n/a
2004 95 61 0.00 n/a
2003 89 65 0.20 n/a
2002 90 52 0.00 n/a
2001 85 52 0.00 n/a
2000 94 57 0.00 n/a
1999 96 58 0.00 n/a
1998 n/a n/a n/a n/a
1997 93 59 0.00 0.0
1996 96 57 0.00 0.0
1995 n/a 56 0.00 0.0
1994 93 53 0.00 0.0
1993 97 58 0.00 0.0
1992 102 60 0.00 0.0
1991 94 50 0.00 0.0
1990 90 57 0.00 0.0
1989 88 56 0.00 0.0
1988 90 62 0.00 0.0
1987 85 50 0.00 0.0
1986 92 50 0.00 0.0
1985 86 53 0.00 0.0
1984 90 52 0.00 0.0
1983 83 60 0.00 0.0
1982 99 59 0.00 0.0
1981 92 49 0.00 0.0
1980 93 52 0.00 0.0
1979 82 59 0.00 0.0
1978 85 59 0.00 0.0
1977 94 55 0.00 0.0
1976 88 59 0.00 0.0
1975 91 55 0.00 0.0
1974 98 52 0.00 0.0
1973 93 53 0.00 0.0
1972 96 51 0.00 0.0
1971 88 50 0.00 0.0
1970 87 47 0.00 0.0
1969 102 56 0.00 0.0
1968 71 54 0.07 0.0
1967 101 56 0.00 0.0
1966 88 53 0.00 0.0
1965 88 55 0.00 0.0
1964 101 62 0.00 0.0
1963 94 54 0.00 0.0
1962 93 61 0.00 0.0
1961 100 63 0.00 0.0
1960 88 56 0.00 0.0
1959 85 50 0.00 0.0
1958 100 61 0.00 0.0
1957 95 55 0.00 0.0
1956 92 54 0.00 0.0
1955 101 46 0.00 0.0
1954 90 52 0.00 0.0
1953 91 52 0.00 0.0
1952 97 53 0.00 0.0
1951 93 59 0.00 0.0
1950 84 56 0.00 0.0
1949 85 53 0.00 0.0
1948 85 55 0.00 0.0
1947 81 51 0.00 0.0
1946 97 51 0.00 0.0
1945 104 58 0.00 0.0
1944 95 50 0.00 0.0
1943 89 43 0.00 n/a
1942 102 59 0.00 n/a
1941 88 52 0.00 n/a
1940 94 53 0.00 n/a
1939 102 60 0.00 n/a
1938 91 53 0.00 n/a
1937 97 55 0.00 n/a
1936 77 54 0.00 n/a
1935 101 50 0.00 n/a
1934 96 52 0.00 n/a
1933 97 50 0.00 n/a
1932 94 50 0.00 n/a
1931 98 55 0.00 n/a
1930 96 48 0.00 n/a
1929 101 54 0.00 n/a
1928 98 55 0.00 n/a
1927 97 53 0.00 n/a
1926 84 55 0.00 n/a
1925 86 46 0.00 0.0
1924 89 54 0.00 n/a
1923 89 52 0.00 n/a
1922 78 53 n/a n/a
1921 90 52 n/a n/a
1920 90 48 n/a n/a
1919 95 57 n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 96 58 n/a n/a
1915 90 48 n/a n/a
1914 93 64 0.00 n/a
1913 n/a n/a n/a n/a
1912 96 50 0.00 0.0
1911 95 49 0.00 n/a
1910 97 55 0.00 0.0
1909 86 65 0.00 n/a
1908 91 51 0.00 n/a
1907 89 56 0.00 n/a
1906 76 58 0.00 0.0
1905 84 57 0.00 0.0
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 n/a n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 n/a n/a 0.00 n/a
1896 n/a n/a 0.00 n/a
1895 n/a n/a n/a n/a
1894 n/a n/a n/a n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Vacaville on 8/21?
For the date of Aug 21, the highest temperature ever reached in Vacaville history is 104 °F which happened in 1945.
Highest Temperatures in Vacaville on August 21
Rank Temperature Year
1 104 °F 1945
2 102 °F 1939
2 102 °F 1969
2 102 °F 1992
2 102 °F 1942
2 102 °F 2009
7 101 °F 1955
7 101 °F 1964
7 101 °F 1967
7 101 °F 1935
7 101 °F 1929
What's the all-time low for Vacaville on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Vacaville history is 43 °F which happened in 1943.
Lowest Temperatures in Vacaville on August 21
Rank Temperature Year
1 43 °F 1943
2 46 °F 1955
2 46 °F 1925
4 47 °F 1970
5 48 °F 1920
5 48 °F 1915
5 48 °F 1930
8 49 °F 1981
8 49 °F 1911
10 50 °F 1944
10 50 °F 1935
10 50 °F 1971
10 50 °F 1986
10 50 °F 1932
10 50 °F 1933
10 50 °F 1987
10 50 °F 1959
10 50 °F 1912
10 50 °F 1991
Lowest High Temperatures in Vacaville on August 21
Rank Temperature Year
1 71 °F 1968
2 76 °F 1906
3 77 °F 1936
3 77 °F 2021
5 78 °F 1922
6 80 °F 2018
7 81 °F 2023
7 81 °F 1947
9 82 °F 1979
10 83 °F 2010
10 83 °F 1983
What's the most it has ever rained in Vacaville on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Vacaville history is 0.20 inches which happened in 2003.
All-Time Most Precipitation in Vacaville on August 21
Rank Precipitation Year
1 0.20 inches 2003
2 0.07 inches 1968
3 0.01 inches 2023
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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