San Jacinto December 20 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of December 20.
December 20 All-Time Records
1893–2024
Highest temperature 85 °F 1917
Lowest temperature 24 °F 1927
Lowest daily high 44 °F 1968
Highest daily low 54 °F 1921
Most precipitation 3.10 inches 1921
Most snow 2.0 inches 1968
December 20 Average Weather
1991–2020 1
Average high 66.2 °F
Average low 38.1 °F
Chance precipitation 16.9%
Chance snow 0%
San Jacinto December 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 69 51 0.00 n/a
2022 66 37 0.00 n/a
2021 71 33 0.00 n/a
2020 81 36 0.00 n/a
2019 72 38 0.00 n/a
2018 82 43 0.00 n/a
2017 64 37 0.00 n/a
2016 74 35 0.00 n/a
2015 55 43 0.22 n/a
2014 61 40 0.00 n/a
2013 61 36 0.00 n/a
2012 65 32 0.00 n/a
2011 64 40 0.00 n/a
2010 57 51 1.47 0.0
2009 69 41 0.00 0.0
2008 n/a n/a n/a 0.0
2007 n/a n/a 0.00 0.0
2006 57 28 0.00 0.0
2005 n/a n/a n/a n/a
2004 78 35 0.00 0.0
2003 n/a n/a 0.00 0.0
2002 53 33 0.14 0.0
2001 75 32 0.00 0.0
2000 76 30 0.00 0.0
1999 79 38 0.00 0.0
1998 51 44 0.00 0.0
1997 65 30 0.00 0.0
1996 69 33 0.00 0.0
1995 62 37 0.00 0.0
1994 76 36 0.00 0.0
1993 63 34 0.00 0.0
1992 63 35 0.00 0.0
1991 70 33 0.00 0.0
1990 50 28 0.10 0.0
1989 67 36 0.00 0.0
1988 59 n/a 0.67 0.0
1987 62 29 0.12 0.0
1986 n/a 37 0.06 0.0
1985 79 30 0.00 0.0
1984 61 39 0.76 0.0
1983 61 34 0.00 0.0
1982 71 35 0.00 0.0
1981 74 39 0.00 0.0
1980 78 38 0.00 0.0
1979 78 36 0.00 0.0
1978 54 29 0.06 0.0
1977 63 40 0.00 0.0
1976 70 33 0.00 0.0
1975 65 30 0.15 0.0
1974 76 32 0.00 0.0
1973 74 29 0.00 0.0
1972 76 36 0.00 0.0
1971 63 27 0.00 0.0
1970 54 33 0.15 0.0
1969 67 48 0.00 0.0
1968 44 31 0.48 2.0
1967 48 30 0.00 0.0
1966 71 31 0.00 0.0
1965 71 30 0.00 0.0
1964 60 42 0.02 0.0
1963 68 28 0.00 0.0
1962 77 35 0.00 0.0
1961 75 35 0.00 0.0
1960 79 35 0.00 0.0
1959 65 45 n/a 0.0
1958 74 34 0.00 0.0
1957 67 34 0.00 0.0
1956 70 33 0.00 0.0
1955 70 30 0.00 0.0
1954 75 29 0.00 0.0
1953 75 32 0.00 0.0
1952 50 40 1.01 0.0
1951 52 28 0.00 0.0
1950 82 35 0.00 0.0
1949 50 30 0.00 0.0
1948 n/a n/a n/a n/a
1947 68 35 0.00 0.0
1946 70 32 0.00 0.0
1945 70 32 0.00 0.0
1944 73 36 0.00 n/a
1943 58 51 0.15 0.0
1942 73 32 0.00 n/a
1941 64 38 0.00 n/a
1940 67 36 0.00 n/a
1939 79 33 0.00 n/a
1938 61 46 1.25 n/a
1937 68 38 0.00 n/a
1936 77 46 0.00 0.0
1935 65 41 0.00 0.0
1934 77 37 0.00 n/a
1933 80 34 0.00 0.0
1932 62 30 0.00 n/a
1931 68 40 0.00 n/a
1930 66 26 0.00 n/a
1929 76 36 0.00 n/a
1928 68 27 0.00 n/a
1927 70 24 0.00 n/a
1926 63 31 0.00 n/a
1925 63 32 0.00 0.0
1924 72 27 n/a n/a
1923 63 32 0.00 n/a
1922 72 39 n/a n/a
1921 61 54 3.10 n/a
1920 49 26 n/a n/a
1919 76 38 0.00 0.0
1918 52 32 0.00 n/a
1917 85 41 n/a n/a
1916 54 41 0.02 0.0
1915 74 32 0.00 n/a
1914 52 40 0.43 n/a
1913 53 44 0.18 n/a
1912 72 30 0.00 n/a
1911 49 33 0.00 n/a
1910 49 41 0.00 n/a
1909 46 38 0.85 0.0
1908 70 24 0.00 n/a
1907 65 39 0.00 n/a
1906 84 35 0.00 n/a
1905 56 45 0.00 n/a
1904 60 31 0.00 n/a
1903 n/a n/a n/a n/a
1902 60 34 0.00 n/a
1901 82 40 0.00 n/a
1900 69 37 0.00 n/a
1899 62 31 0.00 0.0
1898 63 35 0.00 n/a
1897 48 25 0.00 n/a
1896 70 38 0.00 n/a
1895 61 28 0.00 n/a
1894 58 34 0.00 n/a
1893 70 38 0.00 n/a
What's the all-time high for San Jacinto on 12/20?
For the date of Dec 20, the highest temperature ever reached in San Jacinto history is 85 °F which happened in 1917.
Highest Temperatures in San Jacinto on December 20
Rank Temperature Year
1 85 °F 1917
2 84 °F 1906
3 82 °F 1950
3 82 °F 1901
3 82 °F 2018
6 81 °F 2020
7 80 °F 1933
8 79 °F 1939
8 79 °F 1999
8 79 °F 1960
8 79 °F 1985
What's the all-time low for San Jacinto on 12/20?
For the date of Dec 20, the lowest temperature ever reached in San Jacinto history is 24 °F which has happened 2 times, most recently in 1927.
Lowest Temperatures in San Jacinto on December 20
Rank Temperature Year
1 24 °F 1908
1 24 °F 1927
3 25 °F 1897
4 26 °F 1920
4 26 °F 1930
6 27 °F 1928
6 27 °F 1971
6 27 °F 1924
9 28 °F 2006
9 28 °F 1990
9 28 °F 1951
9 28 °F 1963
9 28 °F 1895
Lowest High Temperatures in San Jacinto on December 20
Rank Temperature Year
1 44 °F 1968
2 46 °F 1909
3 48 °F 1967
3 48 °F 1897
5 49 °F 1920
5 49 °F 1911
5 49 °F 1910
8 50 °F 1990
8 50 °F 1952
8 50 °F 1949
What's the most it has ever rained in San Jacinto on 12/20?
For the date of Dec 20, the most precipitation ever recorded in San Jacinto history is 3.10 inches which happened in 1921.
All-Time Most Precipitation in San Jacinto on December 20
Rank Precipitation Year
1 3.10 inches 1921
2 1.47 inches 2010
3 1.25 inches 1938
4 1.01 inches 1952
5 0.85 inches 1909
6 0.76 inches 1984
7 0.67 inches 1988
8 0.48 inches 1968
9 0.43 inches 1914
10 0.22 inches 2015
All-Time Most Snow in San Jacinto on December 20
Rank Precipitation Year
1 2.0 inches 1968
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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