Riverside December 15 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of December 15.
December 15 All-Time Records
1893–2024
Highest temperature 86 °F 1942
Lowest temperature 27 °F 1948
Lowest daily high 46 °F 1931
Highest daily low 52 °F 1996
Most precipitation 1.45 inches 2008
December 15 Average Weather
1991–2020 1
Average high 67.9 °F
Average low 42.5 °F
Chance precipitation 16.1%
Riverside December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 47 0.00 n/a
2022 63 37 0.00 n/a
2021 56 34 0.00 n/a
2020 68 42 0.00 n/a
2019 61 44 0.00 0.0
2018 76 44 0.00 0.0
2017 81 49 0.00 0.0
2016 68 51 0.30 0.0
2015 60 36 0.00 0.0
2014 63 43 0.00 0.0
2013 79 47 0.00 0.0
2012 58 43 0.04 n/a
2011 58 37 0.06 n/a
2010 57 51 0.01 n/a
2009 71 41 0.00 n/a
2008 51 45 1.45 n/a
2007 n/a n/a n/a n/a
2006 69 41 0.00 n/a
2005 66 40 0.00 n/a
2004 79 41 0.00 n/a
2003 65 36 0.00 n/a
2002 66 46 0.00 n/a
2001 58 31 0.01 n/a
2000 62 40 0.00 n/a
1999 74 43 0.00 n/a
1998 79 42 0.00 0.0
1997 70 44 0.00 0.0
1996 69 52 0.00 0.0
1995 73 44 0.00 0.0
1994 66 37 0.00 0.0
1993 59 35 0.22 0.0
1992 63 34 0.00 0.0
1991 80 45 0.00 0.0
1990 70 35 0.00 0.0
1989 69 40 0.00 0.0
1988 56 44 0.18 0.0
1987 55 29 0.00 0.0
1986 68 42 0.00 0.0
1985 73 38 0.00 0.0
1984 59 30 0.00 0.0
1983 72 40 0.00 0.0
1982 66 35 0.00 0.0
1981 74 42 0.00 0.0
1980 83 47 0.00 0.0
1979 75 33 0.00 0.0
1978 68 35 0.00 0.0
1977 67 44 0.00 0.0
1976 79 39 0.00 0.0
1975 68 39 0.00 0.0
1974 75 39 0.00 0.0
1973 71 38 0.00 0.0
1972 65 31 0.00 0.0
1971 57 31 0.00 0.0
1970 59 39 0.00 0.0
1969 75 33 0.00 0.0
1968 64 44 n/a 0.0
1967 53 36 0.00 0.0
1966 72 41 0.00 0.0
1965 55 33 0.01 0.0
1964 69 33 0.00 0.0
1963 69 34 0.00 0.0
1962 68 41 0.00 0.0
1961 61 42 0.00 0.0
1960 65 34 0.00 0.0
1959 73 45 0.00 0.0
1958 81 44 0.00 0.0
1957 61 49 1.05 0.0
1956 74 36 0.00 0.0
1955 67 36 0.00 0.0
1954 71 49 0.00 0.0
1953 78 39 0.00 0.0
1952 76 39 0.00 0.0
1951 67 30 0.00 0.0
1950 74 44 0.00 0.0
1949 56 35 0.00 0.0
1948 58 27 0.00 0.0
1947 64 31 0.00 0.0
1946 70 35 0.00 0.0
1945 70 37 0.00 0.0
1944 72 36 0.00 0.0
1943 70 37 0.00 0.0
1942 86 35 0.00 0.0
1941 70 45 0.00 0.0
1940 60 32 0.00 0.0
1939 83 38 0.00 0.0
1938 67 48 0.11 0.0
1937 72 36 0.00 0.0
1936 68 48 0.97 0.0
1935 65 35 0.00 0.0
1934 n/a n/a n/a n/a
1933 59 40 n/a n/a
1932 47 30 0.00 0.0
1931 46 28 0.28 n/a
1930 n/a n/a n/a n/a
1929 74 40 0.00 0.0
1928 56 31 0.00 n/a
1927 66 39 0.00 n/a
1926 67 32 n/a n/a
1925 70 32 n/a n/a
1924 80 41 n/a n/a
1923 74 40 n/a n/a
1922 62 50 0.07 n/a
1921 76 35 n/a n/a
1920 70 46 n/a n/a
1919 72 46 n/a n/a
1918 74 34 n/a n/a
1917 76 32 n/a n/a
1916 82 35 0.00 n/a
1915 61 33 0.00 0.0
1914 62 32 0.00 n/a
1913 77 38 0.00 n/a
1912 57 36 0.02 n/a
1911 68 29 0.00 0.0
1910 77 38 0.00 n/a
1909 63 51 n/a n/a
1908 60 44 0.00 0.0
1907 66 33 0.00 n/a
1906 62 42 n/a n/a
1905 71 31 0.00 n/a
1904 75 33 0.00 n/a
1903 74 34 0.00 n/a
1902 61 27 0.00 n/a
1901 67 27 0.00 n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 61 44 0.00 n/a
1894 63 45 0.00 n/a
1893 67 42 0.00 n/a
What's the all-time high for Riverside on 12/15?
For the date of Dec 15, the highest temperature ever reached in Riverside history is 86 °F which happened in 1942.
Highest Temperatures in Riverside on December 15
Rank Temperature Year
1 86 °F 1942
2 83 °F 1939
2 83 °F 1980
4 82 °F 1916
5 81 °F 2017
5 81 °F 1958
7 80 °F 1924
7 80 °F 1991
9 79 °F 1976
9 79 °F 1998
9 79 °F 2004
9 79 °F 2013
What's the all-time low for Riverside on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Riverside history is 27 °F which has happened 3 times, most recently in 1948.
Lowest Temperatures in Riverside on December 15
Rank Temperature Year
1 27 °F 1948
1 27 °F 1902
1 27 °F 1901
4 28 °F 1931
5 29 °F 1987
5 29 °F 1911
7 30 °F 1984
7 30 °F 1932
7 30 °F 1951
10 31 °F 1972
10 31 °F 1947
10 31 °F 1905
10 31 °F 1928
10 31 °F 1971
10 31 °F 2001
Lowest High Temperatures in Riverside on December 15
Rank Temperature Year
1 46 °F 1931
2 47 °F 1932
3 51 °F 2008
4 53 °F 1967
5 55 °F 1965
5 55 °F 1987
7 56 °F 2021
7 56 °F 1949
7 56 °F 1988
7 56 °F 1928
What's the most it has ever rained in Riverside on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Riverside history is 1.45 inches which happened in 2008.
All-Time Most Precipitation in Riverside on December 15
Rank Precipitation Year
1 1.45 inches 2008
2 1.05 inches 1957
3 0.97 inches 1936
4 0.30 inches 2016
5 0.28 inches 1931
6 0.22 inches 1993
7 0.18 inches 1988
8 0.11 inches 1938
9 0.07 inches 1922
10 0.06 inches 2011
Weather Station Details
Years Station Coordinates
1999–2024 Riverside Municipal Airport location
1893–1998 Riverside Fire Station location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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