Vacaville December 21 Weather Records

Daily averages and all-time records for weather in Vacaville, California for the date of December 21.
December 21 All-Time Records
1893–2024
Highest temperature 75 °F 1999
Lowest temperature 23 °F 1968
Lowest daily high 36 °F 1908
Highest daily low 60 °F 1914
Most precipitation 2.10 inches 1940
December 21 Average Weather
1991–2020 1
Average high 56.6 °F
Average low 37.5 °F
Chance precipitation 33.5%
Vacaville December 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 65 44 0.01 n/a
2022 46 33 0.00 n/a
2021 47 34 0.00 n/a
2020 48 33 0.00 n/a
2019 53 39 0.00 n/a
2018 58 45 0.13 n/a
2017 59 29 0.00 n/a
2016 64 36 0.00 n/a
2015 59 47 0.47 n/a
2014 70 54 0.00 n/a
2013 62 28 0.00 n/a
2012 49 40 0.67 n/a
2011 67 25 0.00 n/a
2010 53 45 0.20 n/a
2009 58 46 0.02 n/a
2008 49 44 0.32 n/a
2007 54 33 0.00 n/a
2006 45 42 0.63 n/a
2005 61 54 0.38 n/a
2004 68 35 0.00 n/a
2003 60 40 0.00 n/a
2002 55 41 0.03 n/a
2001 53 44 0.00 n/a
2000 58 32 0.03 n/a
1999 75 34 0.00 n/a
1998 45 29 0.00 0.0
1997 53 37 0.00 0.0
1996 51 41 1.57 0.0
1995 50 40 0.00 0.0
1994 47 37 0.00 0.0
1993 44 31 0.00 0.0
1992 n/a n/a 0.00 0.0
1991 53 30 0.00 0.0
1990 38 25 0.00 0.0
1989 n/a n/a n/a n/a
1988 52 37 0.21 n/a
1987 51 37 0.00 0.0
1986 54 34 0.00 0.0
1985 n/a n/a n/a n/a
1984 53 33 0.00 0.0
1983 52 32 0.00 0.0
1982 55 49 1.34 0.0
1981 61 48 0.01 0.0
1980 54 39 0.30 0.0
1979 60 44 0.48 0.0
1978 54 27 0.00 0.0
1977 54 41 0.02 0.0
1976 61 29 0.00 0.0
1975 53 32 0.00 0.0
1974 55 39 0.00 0.0
1973 49 45 0.63 0.0
1972 56 51 0.02 0.0
1971 40 25 0.03 0.0
1970 53 41 0.38 0.0
1969 62 54 0.59 0.0
1968 45 23 0.00 0.0
1967 47 26 0.00 0.0
1966 52 41 0.00 0.0
1965 45 25 0.00 0.0
1964 60 55 1.68 0.0
1963 55 38 0.00 0.0
1962 48 35 0.00 0.0
1961 62 43 0.16 0.0
1960 49 42 0.00 0.0
1959 60 31 0.00 0.0
1958 55 48 0.30 0.0
1957 56 45 0.32 0.0
1956 58 29 0.00 0.0
1955 61 51 0.56 0.0
1954 43 32 0.00 0.0
1953 66 34 0.00 0.0
1952 53 29 0.00 0.0
1951 51 25 0.00 0.0
1950 56 46 0.02 0.0
1949 50 25 0.00 0.0
1948 52 30 0.00 0.0
1947 55 44 0.00 0.0
1946 45 35 0.00 0.0
1945 54 43 1.25 0.0
1944 58 48 0.20 0.0
1943 62 36 0.00 0.0
1942 48 32 0.00 n/a
1941 53 49 0.09 n/a
1940 57 49 2.10 n/a
1939 63 38 0.00 n/a
1938 61 33 0.00 n/a
1937 50 29 0.00 n/a
1936 52 38 0.05 n/a
1935 60 26 0.00 n/a
1934 48 42 0.00 n/a
1933 46 38 0.00 n/a
1932 52 39 0.48 n/a
1931 64 33 0.67 0.0
1930 58 29 0.00 n/a
1929 66 45 n/a n/a
1928 60 24 0.00 n/a
1927 56 35 0.08 n/a
1926 41 40 0.14 n/a
1925 54 43 0.00 n/a
1924 46 24 1.88 0.0
1923 59 28 0.00 n/a
1922 62 29 0.00 n/a
1921 57 42 0.21 n/a
1920 50 32 0.19 n/a
1919 65 37 0.25 0.0
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 59 41 0.00 n/a
1915 62 36 0.00 n/a
1914 62 60 0.00 n/a
1913 n/a n/a 0.14 n/a
1912 58 31 0.00 0.0
1911 63 41 0.00 0.0
1910 62 38 n/a 0.0
1909 45 37 0.00 n/a
1908 36 27 0.27 n/a
1907 55 34 0.00 n/a
1906 44 40 0.00 n/a
1905 56 32 0.00 n/a
1904 43 37 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 n/a n/a
1900 n/a n/a 0.00 n/a
1899 n/a n/a n/a 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 0.00 n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 1.55 n/a
1893 n/a n/a 0.16 n/a
What's the all-time high for Vacaville on 12/21?
For the date of Dec 21, the highest temperature ever reached in Vacaville history is 75 °F which happened in 1999.
Highest Temperatures in Vacaville on December 21
Rank Temperature Year
1 75 °F 1999
2 70 °F 2014
3 68 °F 2004
4 67 °F 2011
5 66 °F 1929
5 66 °F 1953
7 65 °F 2023
7 65 °F 1919
9 64 °F 2016
9 64 °F 1931
What's the all-time low for Vacaville on 12/21?
For the date of Dec 21, the lowest temperature ever reached in Vacaville history is 23 °F which happened in 1968.
Lowest Temperatures in Vacaville on December 21
Rank Temperature Year
1 23 °F 1968
2 24 °F 1924
2 24 °F 1928
4 25 °F 1965
4 25 °F 1971
4 25 °F 1990
4 25 °F 2011
4 25 °F 1951
4 25 °F 1949
10 26 °F 1967
10 26 °F 1935
Lowest High Temperatures in Vacaville on December 21
Rank Temperature Year
1 36 °F 1908
2 38 °F 1990
3 40 °F 1971
4 41 °F 1926
5 43 °F 1954
5 43 °F 1904
7 44 °F 1906
7 44 °F 1993
9 45 °F 1909
9 45 °F 1946
9 45 °F 2006
9 45 °F 1998
9 45 °F 1965
9 45 °F 1968
What's the most it has ever rained in Vacaville on 12/21?
For the date of Dec 21, the most precipitation ever recorded in Vacaville history is 2.10 inches which happened in 1940.
All-Time Most Precipitation in Vacaville on December 21
Rank Precipitation Year
1 2.10 inches 1940
2 1.88 inches 1924
3 1.68 inches 1964
4 1.57 inches 1996
5 1.55 inches 1894
6 1.34 inches 1982
7 1.25 inches 1945
8 0.67 inches 2012
8 0.67 inches 1931
10 0.63 inches 2006
10 0.63 inches 1973
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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