San Jacinto December 18 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of December 18.
December 18 All-Time Records
1893–2024
Highest temperature 83 °F 1931
Lowest temperature 22 °F 1908
Lowest daily high 45 °F 1897
Highest daily low 53 °F 2013
Most precipitation 1.57 inches 1921
Most snow none -
December 18 Average Weather
1991–2020 1
Average high 66.4 °F
Average low 38.1 °F
Chance precipitation 16.7%
Chance snow 0%
San Jacinto December 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 51 0.00 n/a
2022 n/a 39 0.00 n/a
2021 70 33 0.00 n/a
2020 68 39 0.00 n/a
2019 62 38 0.00 n/a
2018 68 45 0.00 n/a
2017 70 35 0.00 n/a
2016 62 31 0.00 n/a
2015 70 36 0.00 n/a
2014 62 43 0.00 n/a
2013 72 53 0.00 n/a
2012 58 51 0.17 n/a
2011 55 36 0.00 n/a
2010 55 51 0.48 0.0
2009 78 39 0.00 0.0
2008 n/a n/a n/a 0.0
2007 61 36 0.00 0.0
2006 55 29 0.00 0.0
2005 n/a n/a n/a n/a
2004 81 37 0.00 0.0
2003 79 39 0.00 0.0
2002 56 35 0.27 0.0
2001 73 31 0.00 0.0
2000 76 30 0.00 0.0
1999 76 34 0.00 0.0
1998 65 43 0.00 0.0
1997 59 36 0.00 0.0
1996 n/a n/a 0.00 0.0
1995 65 30 0.00 0.0
1994 74 33 0.00 0.0
1993 61 30 0.21 0.0
1992 55 30 0.00 0.0
1991 60 42 0.00 0.0
1990 65 28 0.00 0.0
1989 60 33 0.00 0.0
1988 53 37 0.00 0.0
1987 62 31 0.19 0.0
1986 69 38 0.00 0.0
1985 80 35 0.00 0.0
1984 53 29 0.05 0.0
1983 68 35 0.00 0.0
1982 71 31 0.00 0.0
1981 76 39 0.00 0.0
1980 75 38 0.00 0.0
1979 80 38 0.00 0.0
1978 52 44 0.58 0.0
1977 64 44 0.44 0.0
1976 68 31 0.00 0.0
1975 71 27 0.00 0.0
1974 71 29 0.00 0.0
1973 74 32 0.00 0.0
1972 76 35 0.00 0.0
1971 65 34 0.00 0.0
1970 55 33 0.00 0.0
1969 67 34 0.00 0.0
1968 60 25 0.00 0.0
1967 49 40 0.76 0.0
1966 77 33 0.00 0.0
1965 60 28 0.00 0.0
1964 53 32 0.04 0.0
1963 74 28 0.00 0.0
1962 68 50 0.06 0.0
1961 58 45 0.00 0.0
1960 78 33 0.00 0.0
1959 75 32 0.00 0.0
1958 82 33 0.00 0.0
1957 56 41 0.00 0.0
1956 73 31 0.00 0.0
1955 65 29 0.00 0.0
1954 74 28 0.00 0.0
1953 71 31 0.00 0.0
1952 60 36 0.00 0.0
1951 60 30 0.00 0.0
1950 82 37 0.00 0.0
1949 52 45 0.05 0.0
1948 n/a n/a n/a n/a
1947 68 30 0.00 0.0
1946 70 32 0.00 0.0
1945 60 39 0.00 0.0
1944 73 32 0.00 n/a
1943 61 49 0.28 0.0
1942 62 47 0.15 n/a
1941 69 34 0.00 n/a
1940 63 39 0.08 n/a
1939 80 33 0.00 n/a
1938 63 46 1.21 n/a
1937 78 34 0.00 n/a
1936 72 38 0.00 0.0
1935 73 33 0.00 0.0
1934 71 34 0.00 n/a
1933 68 32 0.00 0.0
1932 68 32 0.00 n/a
1931 83 35 0.00 n/a
1930 65 28 0.00 n/a
1929 81 42 0.00 n/a
1928 62 24 0.00 n/a
1927 66 41 0.00 n/a
1926 58 34 0.85 n/a
1925 55 36 0.50 0.0
1924 51 29 n/a n/a
1923 74 35 0.00 n/a
1922 64 38 n/a n/a
1921 59 47 1.57 n/a
1920 59 31 n/a n/a
1919 70 37 0.00 0.0
1918 61 40 0.11 n/a
1917 83 39 n/a n/a
1916 77 28 0.00 0.0
1915 65 30 0.00 n/a
1914 54 42 0.00 n/a
1913 63 31 0.00 n/a
1912 80 37 0.00 n/a
1911 59 33 0.00 n/a
1910 62 31 0.00 n/a
1909 59 27 0.00 0.0
1908 58 22 0.00 n/a
1907 68 30 0.00 n/a
1906 74 34 0.00 n/a
1905 60 36 0.02 n/a
1904 68 31 0.00 n/a
1903 n/a n/a n/a n/a
1902 57 39 0.65 n/a
1901 76 34 0.00 n/a
1900 71 41 0.00 n/a
1899 57 35 0.00 0.0
1898 58 33 0.00 n/a
1897 45 27 0.39 n/a
1896 61 33 0.00 n/a
1895 56 24 0.00 n/a
1894 57 43 0.00 n/a
1893 75 34 0.00 n/a
What's the all-time high for San Jacinto on 12/18?
For the date of Dec 18, the highest temperature ever reached in San Jacinto history is 83 °F which has happened 2 times, most recently in 1931.
Highest Temperatures in San Jacinto on December 18
Rank Temperature Year
1 83 °F 1931
1 83 °F 1917
3 82 °F 1958
3 82 °F 1950
5 81 °F 1929
5 81 °F 2004
7 80 °F 1985
7 80 °F 1979
7 80 °F 1912
7 80 °F 1939
What's the all-time low for San Jacinto on 12/18?
For the date of Dec 18, the lowest temperature ever reached in San Jacinto history is 22 °F which happened in 1908.
Lowest Temperatures in San Jacinto on December 18
Rank Temperature Year
1 22 °F 1908
2 24 °F 1895
2 24 °F 1928
4 25 °F 1968
5 27 °F 1909
5 27 °F 1975
5 27 °F 1897
8 28 °F 1916
8 28 °F 1963
8 28 °F 1954
8 28 °F 1965
8 28 °F 1930
8 28 °F 1990
Lowest High Temperatures in San Jacinto on December 18
Rank Temperature Year
1 45 °F 1897
2 49 °F 1967
3 51 °F 1924
4 52 °F 1978
4 52 °F 1949
6 53 °F 1984
6 53 °F 1964
6 53 °F 1988
9 54 °F 1914
10 55 °F 2010
10 55 °F 1992
10 55 °F 1925
10 55 °F 2006
10 55 °F 2011
10 55 °F 1970
What's the most it has ever rained in San Jacinto on 12/18?
For the date of Dec 18, the most precipitation ever recorded in San Jacinto history is 1.57 inches which happened in 1921.
All-Time Most Precipitation in San Jacinto on December 18
Rank Precipitation Year
1 1.57 inches 1921
2 1.21 inches 1938
3 0.85 inches 1926
4 0.76 inches 1967
5 0.65 inches 1902
6 0.58 inches 1978
7 0.50 inches 1925
8 0.48 inches 2010
9 0.44 inches 1977
10 0.39 inches 1897
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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