San Jacinto December 21 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of December 21.
December 21 All-Time Records
1893–2024
Highest temperature 86 °F 1906
Lowest temperature 20 °F 1968
Lowest daily high 48 °F 1897
Highest daily low 52 °F 2016
Most precipitation 1.91 inches 2010
Most snow none -
December 21 Average Weather
1991–2020 1
Average high 66.2 °F
Average low 38.0 °F
Chance precipitation 17.3%
Chance snow 0%
San Jacinto December 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 68 48 0.09 n/a
2022 72 37 0.00 n/a
2021 69 47 0.00 n/a
2020 81 40 0.00 n/a
2019 72 43 0.00 n/a
2018 69 47 0.00 n/a
2017 59 33 0.00 n/a
2016 58 52 1.24 n/a
2015 57 36 0.00 n/a
2014 68 40 0.00 n/a
2013 57 41 0.00 n/a
2012 65 28 0.00 n/a
2011 63 32 0.00 n/a
2010 55 48 1.91 0.0
2009 62 42 0.24 0.0
2008 n/a n/a n/a 0.0
2007 58 38 0.00 0.0
2006 63 29 0.00 0.0
2005 n/a n/a n/a n/a
2004 64 36 0.00 0.0
2003 79 37 0.00 0.0
2002 53 42 0.08 0.0
2001 75 33 0.40 0.0
2000 78 34 0.00 0.0
1999 73 35 0.00 0.0
1998 51 29 0.00 0.0
1997 60 38 0.05 0.0
1996 n/a n/a n/a 0.0
1995 61 31 0.00 0.0
1994 77 37 0.00 0.0
1993 64 30 0.00 0.0
1992 62 28 0.00 0.0
1991 70 35 0.00 0.0
1990 55 22 0.00 0.0
1989 69 32 0.00 0.0
1988 61 33 0.00 0.0
1987 69 31 0.00 0.0
1986 68 n/a 0.00 0.0
1985 80 34 0.00 0.0
1984 64 34 0.00 0.0
1983 56 43 0.00 0.0
1982 57 30 0.00 0.0
1981 74 48 0.00 0.0
1980 80 39 0.00 0.0
1979 64 44 0.15 0.0
1978 62 29 0.00 0.0
1977 63 47 0.00 0.0
1976 71 30 0.00 0.0
1975 65 32 0.00 0.0
1974 75 33 0.00 0.0
1973 67 30 0.00 0.0
1972 79 38 0.00 0.0
1971 59 29 0.00 0.0
1970 55 41 0.94 0.0
1969 72 34 0.00 0.0
1968 49 20 0.00 0.0
1967 54 26 0.00 0.0
1966 64 39 0.00 0.0
1965 61 36 0.00 0.0
1964 73 36 0.00 0.0
1963 66 27 0.00 0.0
1962 79 29 0.00 0.0
1961 75 35 0.00 0.0
1960 78 31 0.00 0.0
1959 61 50 n/a 0.0
1958 71 30 0.00 0.0
1957 65 33 0.00 0.0
1956 65 28 0.00 0.0
1955 72 34 0.00 0.0
1954 74 28 0.00 0.0
1953 72 24 0.00 0.0
1952 54 30 0.00 0.0
1951 62 29 0.00 0.0
1950 n/a n/a 0.00 0.0
1949 59 23 0.00 0.0
1948 n/a n/a n/a n/a
1947 62 39 0.00 0.0
1946 72 38 0.00 0.0
1945 60 48 0.75 0.0
1944 73 42 0.00 n/a
1943 55 46 0.50 0.0
1942 65 39 0.00 n/a
1941 58 37 0.00 n/a
1940 67 44 0.00 n/a
1939 75 32 0.00 n/a
1938 55 45 0.40 n/a
1937 66 34 0.00 n/a
1936 77 37 0.00 0.0
1935 70 38 0.00 0.0
1934 79 39 0.00 n/a
1933 83 34 0.00 0.0
1932 55 37 0.15 n/a
1931 54 48 0.16 n/a
1930 63 26 0.00 n/a
1929 72 33 0.00 n/a
1928 72 27 0.00 n/a
1927 53 28 0.23 n/a
1926 53 43 0.27 n/a
1925 61 32 0.00 0.0
1924 65 30 n/a n/a
1923 66 29 0.00 n/a
1922 72 37 n/a n/a
1921 57 51 1.09 n/a
1920 57 30 n/a n/a
1919 76 40 0.00 0.0
1918 52 40 0.22 n/a
1917 84 40 n/a n/a
1916 67 27 0.00 0.0
1915 74 34 0.00 n/a
1914 57 38 0.00 n/a
1913 55 34 0.67 n/a
1912 60 29 0.00 n/a
1911 60 24 0.00 n/a
1910 60 44 0.00 n/a
1909 53 39 0.71 0.0
1908 59 29 0.00 n/a
1907 68 25 0.00 n/a
1906 86 38 0.00 n/a
1905 56 22 0.00 n/a
1904 60 31 0.00 n/a
1903 n/a n/a n/a n/a
1902 62 30 0.00 n/a
1901 79 42 0.00 n/a
1900 64 40 0.00 n/a
1899 69 44 0.00 0.0
1898 62 41 0.00 n/a
1897 48 20 0.00 n/a
1896 72 36 0.00 n/a
1895 53 33 0.03 n/a
1894 59 31 0.00 n/a
1893 73 31 0.00 n/a
What's the all-time high for San Jacinto on 12/21?
For the date of Dec 21, the highest temperature ever reached in San Jacinto history is 86 °F which happened in 1906.
Highest Temperatures in San Jacinto on December 21
Rank Temperature Year
1 86 °F 1906
2 84 °F 1917
3 83 °F 1933
4 81 °F 2020
5 80 °F 1980
5 80 °F 1985
7 79 °F 1901
7 79 °F 2003
7 79 °F 1972
7 79 °F 1934
7 79 °F 1962
What's the all-time low for San Jacinto on 12/21?
For the date of Dec 21, the lowest temperature ever reached in San Jacinto history is 20 °F which has happened 2 times, most recently in 1968.
Lowest Temperatures in San Jacinto on December 21
Rank Temperature Year
1 20 °F 1968
1 20 °F 1897
3 22 °F 1990
3 22 °F 1905
5 23 °F 1949
6 24 °F 1911
6 24 °F 1953
8 25 °F 1907
9 26 °F 1967
9 26 °F 1930
Lowest High Temperatures in San Jacinto on December 21
Rank Temperature Year
1 48 °F 1897
2 49 °F 1968
3 51 °F 1998
4 52 °F 1918
5 53 °F 1927
5 53 °F 1895
5 53 °F 2002
5 53 °F 1909
5 53 °F 1926
10 54 °F 1967
10 54 °F 1931
10 54 °F 1952
What's the most it has ever rained in San Jacinto on 12/21?
For the date of Dec 21, the most precipitation ever recorded in San Jacinto history is 1.91 inches which happened in 2010.
All-Time Most Precipitation in San Jacinto on December 21
Rank Precipitation Year
1 1.91 inches 2010
2 1.24 inches 2016
3 1.09 inches 1921
4 0.94 inches 1970
5 0.75 inches 1945
6 0.71 inches 1909
7 0.67 inches 1913
8 0.50 inches 1943
9 0.40 inches 2001
9 0.40 inches 1938
Weather Station Details
Years Station Coordinates
1978–2024 San Jacinto location
1893–1978 San Jacinto location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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