Riverside April 18 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of April 18.
April 18 All-Time Records
1893–2024
Highest temperature 97 °F 1914
Lowest temperature 33 °F 1917
Lowest daily high 59 °F 1929
Highest daily low 61 °F 2017
Most precipitation 0.44 inches 1957
April 18 Average Weather
1991–2020 1
Average high 77.1 °F
Average low 50.1 °F
Chance precipitation 10.0%
Riverside April 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 78 52 0.00 n/a
2023 67 50 0.00 n/a
2022 84 52 0.00 n/a
2021 86 48 0.00 n/a
2020 64 53 0.00 0.0
2019 90 51 0.00 0.0
2018 77 46 0.00 0.0
2017 79 61 0.00 0.0
2016 92 53 0.00 0.0
2015 85 51 0.00 0.0
2014 74 59 0.00 0.0
2013 79 47 0.00 0.0
2012 84 53 0.00 0.0
2011 67 57 0.00 n/a
2010 81 51 0.00 n/a
2009 89 48 0.00 n/a
2008 n/a n/a n/a n/a
2007 69 48 0.00 n/a
2006 79 42 0.00 n/a
2005 65 54 0.00 n/a
2004 68 45 0.00 n/a
2003 66 47 0.00 n/a
2002 68 40 0.00 n/a
2001 76 46 0.00 n/a
2000 64 47 0.23 n/a
1999 93 52 0.00 n/a
1998 83 41 0.00 0.0
1997 81 50 0.00 0.0
1996 74 54 0.14 0.0
1995 60 46 0.40 0.0
1994 89 53 0.00 0.0
1993 74 55 0.00 0.0
1992 88 54 0.00 0.0
1991 72 46 0.00 0.0
1990 71 54 0.00 0.0
1989 84 53 0.00 0.0
1988 70 55 0.00 0.0
1987 76 55 0.00 0.0
1986 80 42 0.00 0.0
1985 63 49 0.00 0.0
1984 75 50 0.00 0.0
1983 70 53 0.23 0.0
1982 82 46 0.00 0.0
1981 67 55 0.16 0.0
1980 92 53 0.00 0.0
1979 69 52 0.00 0.0
1978 82 46 0.00 0.0
1977 76 53 0.00 0.0
1976 72 40 0.00 0.0
1975 69 39 0.00 0.0
1974 78 45 0.00 0.0
1973 71 44 0.00 0.0
1972 66 51 0.00 0.0
1971 66 42 0.04 0.0
1970 71 40 0.00 0.0
1969 n/a 46 0.00 0.0
1968 69 37 0.00 0.0
1967 60 44 0.22 0.0
1966 67 51 0.00 0.0
1965 79 46 0.00 0.0
1964 66 52 0.00 0.0
1963 62 41 0.00 0.0
1962 87 51 0.00 0.0
1961 80 47 0.00 0.0
1960 87 49 0.00 0.0
1959 70 47 0.00 0.0
1958 75 55 0.00 0.0
1957 63 48 0.44 0.0
1956 63 54 0.00 0.0
1955 67 45 0.00 0.0
1954 78 49 0.00 0.0
1953 74 43 0.00 0.0
1952 68 45 0.00 0.0
1951 68 47 0.00 0.0
1950 90 43 0.00 0.0
1949 67 53 0.00 0.0
1948 81 43 0.00 0.0
1947 74 n/a 0.00 0.0
1946 77 53 0.02 0.0
1945 82 47 0.00 0.0
1944 74 37 0.00 0.0
1943 83 46 0.00 0.0
1942 87 42 0.00 0.0
1941 68 42 0.00 0.0
1940 82 44 0.00 0.0
1939 91 46 0.00 0.0
1938 95 52 0.00 0.0
1937 82 40 0.00 0.0
1936 80 52 0.02 0.0
1935 75 42 0.00 0.0
1934 80 43 0.00 0.0
1933 62 37 0.00 0.0
1932 75 44 0.00 n/a
1931 89 52 0.00 0.0
1930 83 40 0.00 0.0
1929 59 50 0.02 n/a
1928 73 39 0.00 n/a
1927 71 37 0.00 n/a
1926 69 56 0.11 n/a
1925 78 42 n/a n/a
1924 92 40 n/a n/a
1923 61 45 0.08 n/a
1922 81 37 n/a n/a
1921 78 37 0.00 n/a
1920 80 45 n/a n/a
1919 80 40 0.00 n/a
1918 85 46 n/a n/a
1917 67 33 n/a n/a
1916 70 44 n/a n/a
1915 75 59 n/a n/a
1914 97 44 0.00 n/a
1913 64 47 0.19 n/a
1912 72 46 0.00 n/a
1911 84 41 0.00 n/a
1910 95 48 0.00 n/a
1909 71 51 n/a n/a
1908 89 43 n/a n/a
1907 75 56 n/a n/a
1906 87 46 n/a 0.0
1905 66 49 0.00 n/a
1904 64 47 0.00 n/a
1903 71 n/a 0.00 n/a
1902 87 50 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 80 44 0.00 n/a
1894 92 40 n/a n/a
1893 74 51 0.00 n/a
What's the all-time high for Riverside on 4/18?
For the date of Apr 18, the highest temperature ever reached in Riverside history is 97 °F which happened in 1914.
Highest Temperatures in Riverside on April 18
Rank Temperature Year
1 97 °F 1914
2 95 °F 1938
2 95 °F 1910
4 93 °F 1999
5 92 °F 1924
5 92 °F 2016
5 92 °F 1980
5 92 °F 1894
9 91 °F 1939
10 90 °F 2019
10 90 °F 1950
What's the all-time low for Riverside on 4/18?
For the date of Apr 18, the lowest temperature ever reached in Riverside history is 33 °F which happened in 1917.
Lowest Temperatures in Riverside on April 18
Rank Temperature Year
1 33 °F 1917
2 37 °F 1927
2 37 °F 1933
2 37 °F 1968
2 37 °F 1944
2 37 °F 1922
2 37 °F 1921
8 39 °F 1928
8 39 °F 1975
10 40 °F 1937
10 40 °F 1894
10 40 °F 1919
10 40 °F 1924
10 40 °F 1976
10 40 °F 1970
10 40 °F 1930
10 40 °F 2002
Lowest High Temperatures in Riverside on April 18
Rank Temperature Year
1 59 °F 1929
2 60 °F 1967
2 60 °F 1995
4 61 °F 1923
5 62 °F 1933
5 62 °F 1963
7 63 °F 1956
7 63 °F 1957
7 63 °F 1985
10 64 °F 1913
10 64 °F 1904
10 64 °F 2000
10 64 °F 2020
What's the most it has ever rained in Riverside on 4/18?
For the date of Apr 18, the most precipitation ever recorded in Riverside history is 0.44 inches which happened in 1957.
All-Time Most Precipitation in Riverside on April 18
Rank Precipitation Year
1 0.44 inches 1957
2 0.40 inches 1995
3 0.23 inches 2000
3 0.23 inches 1983
5 0.22 inches 1967
6 0.19 inches 1913
7 0.16 inches 1981
8 0.14 inches 1996
9 0.11 inches 1926
10 0.08 inches 1923
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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