Riverside April 15 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of April 15.
April 15 All-Time Records
1893–2024
Highest temperature 99 °F 1987
Lowest temperature 32 °F 1913
Lowest daily high 56 °F 1920
Highest daily low 58 °F 1989
Most precipitation 0.95 inches 1988
April 15 Average Weather
1991–2020 1
Average high 76.3 °F
Average low 49.5 °F
Chance precipitation 11.3%
Riverside April 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 69 46 0.00 n/a
2023 79 44 0.00 n/a
2022 76 48 0.00 n/a
2021 72 45 0.00 n/a
2020 82 46 0.00 0.0
2019 75 49 0.00 0.0
2018 82 52 0.00 0.0
2017 81 49 0.00 0.0
2016 80 51 0.00 0.0
2015 81 55 0.00 0.0
2014 85 54 0.00 0.0
2013 68 53 0.00 0.0
2012 73 42 0.00 0.0
2011 91 51 0.00 n/a
2010 77 47 0.00 n/a
2009 61 42 0.00 n/a
2008 n/a n/a n/a n/a
2007 59 45 0.01 n/a
2006 66 49 0.01 n/a
2005 86 44 0.00 n/a
2004 76 46 0.00 n/a
2003 64 45 0.06 n/a
2002 70 52 0.02 n/a
2001 75 41 0.00 n/a
2000 70 51 0.00 n/a
1999 88 45 0.00 n/a
1998 64 42 0.00 0.0
1997 87 49 0.00 0.0
1996 86 51 0.00 0.0
1995 69 44 0.00 0.0
1994 84 53 0.00 0.0
1993 n/a n/a 0.00 0.0
1992 73 56 0.00 0.0
1991 73 47 0.00 0.0
1990 75 55 0.00 0.0
1989 79 58 0.00 0.0
1988 68 46 0.95 0.0
1987 99 54 0.00 0.0
1986 76 48 0.00 0.0
1985 85 46 0.00 0.0
1984 95 51 0.00 0.0
1983 79 43 0.00 0.0
1982 69 52 0.00 0.0
1981 80 49 0.00 0.0
1980 85 48 0.00 0.0
1979 82 49 0.00 0.0
1978 66 52 0.34 0.0
1977 81 47 0.00 0.0
1976 64 51 0.06 0.0
1975 63 44 0.00 0.0
1974 87 46 0.00 0.0
1973 66 40 0.00 0.0
1972 81 40 0.00 0.0
1971 74 47 0.00 0.0
1970 69 39 0.00 0.0
1969 72 44 0.00 0.0
1968 73 46 0.00 0.0
1967 60 48 0.00 0.0
1966 97 56 0.00 0.0
1965 74 40 0.00 0.0
1964 96 52 0.00 0.0
1963 67 43 0.00 0.0
1962 n/a 45 0.00 0.0
1961 91 47 0.00 0.0
1960 80 46 0.00 0.0
1959 73 50 0.00 0.0
1958 89 45 0.00 0.0
1957 74 56 0.00 0.0
1956 70 47 0.00 0.0
1955 82 41 0.00 0.0
1954 80 53 0.00 0.0
1953 83 40 0.00 0.0
1952 81 40 0.00 0.0
1951 72 50 0.00 0.0
1950 84 42 0.00 0.0
1949 68 52 0.00 0.0
1948 91 n/a 0.00 0.0
1947 92 46 0.00 0.0
1946 77 45 0.00 0.0
1945 75 36 0.00 0.0
1944 75 40 0.00 0.0
1943 62 49 0.05 0.0
1942 77 43 0.03 0.0
1941 68 48 0.00 0.0
1940 87 54 0.00 0.0
1939 59 39 0.00 0.0
1938 67 38 0.00 0.0
1937 91 48 0.00 0.0
1936 73 42 0.00 0.0
1935 83 50 0.00 0.0
1934 63 54 0.00 0.0
1933 87 37 0.00 0.0
1932 77 42 0.00 n/a
1931 72 45 0.00 0.0
1930 73 44 0.00 0.0
1929 79 44 0.00 n/a
1928 82 41 0.00 n/a
1927 65 49 0.00 n/a
1926 85 57 n/a n/a
1925 88 53 n/a n/a
1924 66 46 n/a n/a
1923 82 50 n/a n/a
1922 68 38 n/a n/a
1921 72 33 0.00 n/a
1920 56 48 0.04 n/a
1919 92 46 0.00 n/a
1918 76 38 n/a n/a
1917 67 47 n/a n/a
1916 75 44 n/a n/a
1915 73 52 n/a n/a
1914 91 51 0.00 n/a
1913 74 32 0.00 n/a
1912 72 40 0.00 n/a
1911 86 34 0.00 n/a
1910 79 48 0.00 n/a
1909 72 53 n/a n/a
1908 71 45 n/a n/a
1907 69 45 n/a n/a
1906 72 43 n/a 0.0
1905 69 47 0.00 n/a
1904 70 42 0.00 n/a
1903 65 38 0.00 n/a
1902 79 44 0.00 n/a
1901 n/a n/a n/a 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 78 38 0.00 n/a
1894 66 45 n/a n/a
1893 82 52 0.00 n/a
What's the all-time high for Riverside on 4/15?
For the date of Apr 15, the highest temperature ever reached in Riverside history is 99 °F which happened in 1987.
Highest Temperatures in Riverside on April 15
Rank Temperature Year
1 99 °F 1987
2 97 °F 1966
3 96 °F 1964
4 95 °F 1984
5 92 °F 1919
5 92 °F 1947
7 91 °F 1948
7 91 °F 2011
7 91 °F 1961
7 91 °F 1937
7 91 °F 1914
What's the all-time low for Riverside on 4/15?
For the date of Apr 15, the lowest temperature ever reached in Riverside history is 32 °F which happened in 1913.
Lowest Temperatures in Riverside on April 15
Rank Temperature Year
1 32 °F 1913
2 33 °F 1921
3 34 °F 1911
4 36 °F 1945
5 37 °F 1933
6 38 °F 1938
6 38 °F 1922
6 38 °F 1895
6 38 °F 1918
6 38 °F 1903
Lowest High Temperatures in Riverside on April 15
Rank Temperature Year
1 56 °F 1920
2 59 °F 2007
2 59 °F 1939
4 60 °F 1967
5 61 °F 2009
6 62 °F 1943
7 63 °F 1934
7 63 °F 1975
9 64 °F 2003
9 64 °F 1998
9 64 °F 1976
What's the most it has ever rained in Riverside on 4/15?
For the date of Apr 15, the most precipitation ever recorded in Riverside history is 0.95 inches which happened in 1988.
All-Time Most Precipitation in Riverside on April 15
Rank Precipitation Year
1 0.95 inches 1988
2 0.34 inches 1978
3 0.06 inches 2003
3 0.06 inches 1976
5 0.05 inches 1943
6 0.04 inches 1920
7 0.03 inches 1942
8 0.02 inches 2002
9 0.01 inches 2007
9 0.01 inches 2006
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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