Riverside December 9 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of December 9.
December 9 All-Time Records
1893–2024
Highest temperature 91 °F 1938
Lowest temperature 26 °F 1951
Lowest daily high 50 °F 1931
Highest daily low 56 °F 1988
Most precipitation 1.47 inches 1909
December 9 Average Weather
1991–2020 1
Average high 68.7 °F
Average low 43.3 °F
Chance precipitation 16.3%
Riverside December 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 68 54 0.00 n/a
2022 63 38 0.00 n/a
2021 56 47 0.11 n/a
2020 76 47 0.00 0.0
2019 66 48 0.00 0.0
2018 72 47 0.00 0.0
2017 81 47 0.00 0.0
2016 65 44 0.00 0.0
2015 78 49 0.00 0.0
2014 80 50 0.00 0.0
2013 55 38 0.00 0.0
2012 71 43 0.00 n/a
2011 75 38 0.00 0.0
2010 72 44 0.00 n/a
2009 57 37 0.00 n/a
2008 68 47 0.00 n/a
2007 n/a n/a n/a n/a
2006 66 45 0.21 n/a
2005 71 46 0.05 n/a
2004 70 46 0.00 n/a
2003 71 38 0.00 n/a
2002 69 43 0.00 n/a
2001 65 30 0.00 n/a
2000 66 52 0.00 n/a
1999 67 36 0.00 n/a
1998 62 40 0.00 0.0
1997 60 35 0.00 0.0
1996 72 46 0.30 0.0
1995 84 42 0.00 0.0
1994 69 34 0.00 0.0
1993 66 41 0.00 0.0
1992 62 39 0.00 0.0
1991 75 53 0.03 0.0
1990 85 39 0.00 0.0
1989 78 40 0.00 0.0
1988 73 56 0.00 0.0
1987 72 42 0.00 0.0
1986 68 34 0.00 0.0
1985 60 33 0.00 0.0
1984 70 40 0.00 0.0
1983 66 41 0.02 0.0
1982 62 52 0.00 0.0
1981 76 45 0.00 0.0
1980 67 35 0.00 0.0
1979 76 41 0.00 0.0
1978 61 27 0.00 0.0
1977 65 41 0.00 0.0
1976 67 34 0.00 0.0
1975 85 43 0.00 0.0
1974 69 40 0.00 0.0
1973 79 43 0.00 0.0
1972 51 28 0.00 0.0
1971 57 28 0.00 0.0
1970 61 51 0.14 0.0
1969 62 47 0.02 0.0
1968 75 36 0.00 0.0
1967 62 50 0.00 0.0
1966 69 38 0.00 0.0
1965 65 52 0.42 0.0
1964 74 35 0.00 0.0
1963 62 37 0.00 0.0
1962 69 35 0.00 0.0
1961 61 40 0.00 0.0
1960 59 27 0.00 0.0
1959 68 50 0.20 0.0
1958 72 38 0.00 0.0
1957 83 56 0.00 0.0
1956 67 42 0.00 0.0
1955 68 41 0.00 0.0
1954 60 42 0.00 0.0
1953 73 36 0.00 0.0
1952 68 34 0.00 0.0
1951 54 26 0.00 0.0
1950 78 31 0.00 0.0
1949 67 40 0.00 0.0
1948 80 33 0.00 0.0
1947 63 30 0.00 0.0
1946 68 32 0.00 0.0
1945 69 29 0.00 0.0
1944 74 41 0.00 0.0
1943 65 43 0.00 0.0
1942 71 29 0.00 0.0
1941 55 45 0.10 0.0
1940 88 47 0.00 0.0
1939 76 53 0.00 0.0
1938 91 44 0.00 0.0
1937 65 40 0.00 0.0
1936 73 31 0.00 0.0
1935 63 39 0.00 0.0
1934 n/a n/a n/a n/a
1933 83 50 0.00 n/a
1932 n/a n/a n/a n/a
1931 50 45 0.98 n/a
1930 72 33 0.00 n/a
1929 67 39 0.00 0.0
1928 71 39 0.00 n/a
1927 56 31 0.00 n/a
1926 56 42 0.04 n/a
1925 77 37 n/a n/a
1924 70 39 n/a n/a
1923 54 41 n/a n/a
1922 60 32 n/a n/a
1921 81 35 n/a n/a
1920 66 32 n/a n/a
1919 64 34 n/a n/a
1918 64 39 n/a n/a
1917 85 34 n/a n/a
1916 70 26 0.00 n/a
1915 66 38 0.00 0.0
1914 67 34 0.00 n/a
1913 79 38 0.00 n/a
1912 63 44 0.00 n/a
1911 73 32 0.00 0.0
1910 79 40 0.00 n/a
1909 62 51 1.47 n/a
1908 59 33 0.00 0.0
1907 72 39 0.00 n/a
1906 63 48 0.00 n/a
1905 64 47 0.00 n/a
1904 69 34 0.00 n/a
1903 71 30 0.00 n/a
1902 75 37 0.00 n/a
1901 75 34 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 75 38 0.00 n/a
1894 59 37 0.26 n/a
1893 76 45 0.00 n/a
What's the all-time high for Riverside on 12/9?
For the date of Dec 9, the highest temperature ever reached in Riverside history is 91 °F which happened in 1938.
Highest Temperatures in Riverside on December 9
Rank Temperature Year
1 91 °F 1938
2 88 °F 1940
3 85 °F 1917
3 85 °F 1975
3 85 °F 1990
6 84 °F 1995
7 83 °F 1933
7 83 °F 1957
9 81 °F 1921
9 81 °F 2017
What's the all-time low for Riverside on 12/9?
For the date of Dec 9, the lowest temperature ever reached in Riverside history is 26 °F which has happened 2 times, most recently in 1951.
Lowest Temperatures in Riverside on December 9
Rank Temperature Year
1 26 °F 1916
1 26 °F 1951
3 27 °F 1978
3 27 °F 1960
5 28 °F 1971
5 28 °F 1972
7 29 °F 1945
7 29 °F 1942
9 30 °F 2001
9 30 °F 1947
9 30 °F 1903
Lowest High Temperatures in Riverside on December 9
Rank Temperature Year
1 50 °F 1931
2 51 °F 1972
3 54 °F 1923
3 54 °F 1951
5 55 °F 2013
5 55 °F 1941
7 56 °F 1927
7 56 °F 1926
7 56 °F 2021
10 57 °F 2009
10 57 °F 1971
What's the most it has ever rained in Riverside on 12/9?
For the date of Dec 9, the most precipitation ever recorded in Riverside history is 1.47 inches which happened in 1909.
All-Time Most Precipitation in Riverside on December 9
Rank Precipitation Year
1 1.47 inches 1909
2 0.98 inches 1931
3 0.42 inches 1965
4 0.30 inches 1996
5 0.26 inches 1894
6 0.21 inches 2006
7 0.20 inches 1959
8 0.14 inches 1970
9 0.11 inches 2021
10 0.10 inches 1941
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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