Riverside August 20 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of August 20.
August 20 All-Time Records
1893–2024
Highest temperature 107 °F 1940
Lowest temperature 46 °F 1916
Lowest daily high 76 °F 1906
Highest daily low 74 °F 2020
Most precipitation 1.83 inches 2023
August 20 Average Weather
1991–2020 1
Average high 95.6 °F
Average low 64.3 °F
Chance precipitation 1.0%
Riverside August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 66 1.83 n/a
2022 91 67 0.00 n/a
2021 85 64 0.00 n/a
2020 103 74 0.00 0.0
2019 97 62 0.00 0.0
2018 93 68 0.00 0.0
2017 90 62 0.00 0.0
2016 93 65 0.00 0.0
2015 90 66 0.00 0.0
2014 84 63 0.09 0.0
2013 95 65 0.00 0.0
2012 98 72 0.00 0.0
2011 87 61 0.00 n/a
2010 99 68 0.00 n/a
2009 92 61 0.00 n/a
2008 91 60 0.00 n/a
2007 n/a n/a n/a n/a
2006 91 58 0.00 n/a
2005 95 58 0.00 n/a
2004 87 60 0.00 n/a
2003 96 66 0.00 n/a
2002 80 63 0.00 n/a
2001 91 62 0.00 n/a
2000 91 57 0.00 n/a
1999 96 63 0.00 n/a
1998 97 61 0.00 0.0
1997 98 69 0.00 0.0
1996 96 61 0.00 0.0
1995 97 62 0.00 0.0
1994 98 56 0.00 0.0
1993 93 59 0.00 0.0
1992 106 71 0.00 0.0
1991 96 n/a 0.00 0.0
1990 86 60 0.00 0.0
1989 83 60 0.00 0.0
1988 88 60 0.00 0.0
1987 93 60 n/a 0.0
1986 105 69 0.00 0.0
1985 90 57 0.00 0.0
1984 91 69 0.00 0.0
1983 82 68 0.00 0.0
1982 103 64 0.00 0.0
1981 102 61 0.00 0.0
1980 88 57 0.00 0.0
1979 85 65 0.00 0.0
1978 95 56 0.00 0.0
1977 98 68 0.00 0.0
1976 88 60 0.00 0.0
1975 85 56 0.00 0.0
1974 85 58 0.00 0.0
1973 98 64 0.00 0.0
1972 94 54 0.00 0.0
1971 91 61 0.00 0.0
1970 92 60 0.00 0.0
1969 103 57 0.00 0.0
1968 82 60 0.00 0.0
1967 99 66 0.00 0.0
1966 92 63 0.00 0.0
1965 92 62 0.00 0.0
1964 93 57 0.00 0.0
1963 96 57 0.00 0.0
1962 97 58 0.00 0.0
1961 99 68 0.00 0.0
1960 96 60 0.00 0.0
1959 82 55 0.00 0.0
1958 90 62 0.00 0.0
1957 92 64 0.00 0.0
1956 92 53 0.00 0.0
1955 98 58 0.00 0.0
1954 88 54 0.00 0.0
1953 96 56 0.00 0.0
1952 92 56 0.00 0.0
1951 93 55 0.00 0.0
1950 93 54 0.00 0.0
1949 101 51 0.00 0.0
1948 94 51 0.00 0.0
1947 84 50 0.00 0.0
1946 102 63 0.00 0.0
1945 94 65 0.00 0.0
1944 100 55 0.00 0.0
1943 90 54 0.00 0.0
1942 97 59 0.00 0.0
1941 96 54 0.00 0.0
1940 107 61 0.00 0.0
1939 92 60 0.00 0.0
1938 93 55 0.00 0.0
1937 92 62 0.00 0.0
1936 94 54 0.00 0.0
1935 99 54 0.00 0.0
1934 90 63 0.00 0.0
1933 93 61 0.00 0.0
1932 100 57 0.00 0.0
1931 97 62 0.00 0.0
1930 95 54 0.00 0.0
1929 97 62 0.00 0.0
1928 97 59 0.00 0.0
1927 98 61 0.00 n/a
1926 88 61 n/a n/a
1925 100 48 n/a n/a
1924 82 57 n/a n/a
1923 94 54 n/a n/a
1922 98 57 n/a n/a
1921 99 58 n/a 0.0
1920 90 56 n/a 0.0
1919 98 57 n/a n/a
1918 89 50 n/a n/a
1917 91 49 n/a n/a
1916 84 46 n/a n/a
1915 105 52 n/a n/a
1914 91 50 0.00 n/a
1913 102 58 0.04 n/a
1912 91 56 0.00 0.0
1911 104 56 0.00 n/a
1910 99 67 0.00 n/a
1909 93 63 n/a n/a
1908 101 61 0.00 n/a
1907 100 58 n/a n/a
1906 76 62 n/a n/a
1905 89 53 0.00 n/a
1904 90 60 0.00 n/a
1903 100 64 0.00 n/a
1902 84 54 0.00 n/a
1901 92 55 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 94 57 n/a n/a
1894 n/a 58 n/a n/a
1893 n/a n/a n/a n/a
What's the all-time high for Riverside on 8/20?
For the date of Aug 20, the highest temperature ever reached in Riverside history is 107 °F which happened in 1940.
Highest Temperatures in Riverside on August 20
Rank Temperature Year
1 107 °F 1940
2 106 °F 1992
3 105 °F 1986
3 105 °F 1915
5 104 °F 1911
6 103 °F 1982
6 103 °F 2020
6 103 °F 1969
9 102 °F 1946
9 102 °F 1981
9 102 °F 1913
What's the all-time low for Riverside on 8/20?
For the date of Aug 20, the lowest temperature ever reached in Riverside history is 46 °F which happened in 1916.
Lowest Temperatures in Riverside on August 20
Rank Temperature Year
1 46 °F 1916
2 48 °F 1925
3 49 °F 1917
4 50 °F 1918
4 50 °F 1914
4 50 °F 1947
7 51 °F 1949
7 51 °F 1948
9 52 °F 1915
10 53 °F 1905
10 53 °F 1956
Lowest High Temperatures in Riverside on August 20
Rank Temperature Year
1 76 °F 1906
2 78 °F 2023
3 80 °F 2002
4 82 °F 1968
4 82 °F 1983
4 82 °F 1924
4 82 °F 1959
8 83 °F 1989
9 84 °F 1902
9 84 °F 2014
9 84 °F 1916
9 84 °F 1947
What's the most it has ever rained in Riverside on 8/20?
For the date of Aug 20, the most precipitation ever recorded in Riverside history is 1.83 inches which happened in 2023.
All-Time Most Precipitation in Riverside on August 20
Rank Precipitation Year
1 1.83 inches 2023
2 0.09 inches 2014
3 0.04 inches 1913
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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