Riverside October 20 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of October 20.
October 20 All-Time Records
1893–2024
Highest temperature 104 °F 1940
Lowest temperature 33 °F 1949
Lowest daily high 60 °F 1941
Highest daily low 68 °F 2016
Most precipitation 0.64 inches 1979
October 20 Average Weather
1991–2020 1
Average high 82.4 °F
Average low 54.0 °F
Chance precipitation 7.4%
Riverside October 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 98 60 0.00 n/a
2022 93 63 0.00 n/a
2021 79 47 0.00 n/a
2020 85 60 0.00 0.0
2019 88 50 0.00 0.0
2018 90 55 0.00 0.0
2017 75 60 0.00 0.0
2016 95 68 0.00 0.0
2015 82 57 0.00 0.0
2014 81 58 0.00 0.0
2013 84 51 0.00 0.0
2012 75 62 0.00 0.0
2011 76 56 0.00 0.0
2010 69 60 0.01 n/a
2009 76 53 0.00 n/a
2008 79 53 0.00 n/a
2007 n/a n/a n/a n/a
2006 88 46 0.00 n/a
2005 79 50 0.00 n/a
2004 66 56 0.25 n/a
2003 101 57 0.00 n/a
2002 74 49 0.00 n/a
2001 80 50 0.00 n/a
2000 82 51 0.00 n/a
1999 96 51 0.00 n/a
1998 89 47 0.00 0.0
1997 76 58 0.00 0.0
1996 76 48 0.00 0.0
1995 89 55 0.00 0.0
1994 81 47 0.00 0.0
1993 91 49 0.00 0.0
1992 81 41 0.00 0.0
1991 96 56 0.00 0.0
1990 82 51 0.00 0.0
1989 87 61 0.00 0.0
1988 79 62 0.00 0.0
1987 78 53 0.00 0.0
1986 81 42 0.00 0.0
1985 81 50 0.00 0.0
1984 74 52 0.00 0.0
1983 79 54 0.00 0.0
1982 80 52 0.00 0.0
1981 88 52 0.00 0.0
1980 90 48 0.00 0.0
1979 69 61 0.64 0.0
1978 77 60 0.00 0.0
1977 68 51 0.00 0.0
1976 79 60 0.00 0.0
1975 72 54 0.00 0.0
1974 78 52 0.00 0.0
1973 86 51 0.00 0.0
1972 64 51 n/a 0.0
1971 83 41 0.00 0.0
1970 73 54 0.00 0.0
1969 79 42 0.00 0.0
1968 81 48 0.00 0.0
1967 91 49 0.00 0.0
1966 90 49 0.00 0.0
1965 95 48 0.00 0.0
1964 93 51 0.00 0.0
1963 71 59 0.03 0.0
1962 81 47 0.00 0.0
1961 76 56 0.00 0.0
1960 93 47 0.00 0.0
1959 76 50 0.00 0.0
1958 83 49 0.00 0.0
1957 64 53 0.03 0.0
1956 91 47 0.00 0.0
1955 69 43 0.00 0.0
1954 93 47 0.00 0.0
1953 77 41 0.00 0.0
1952 90 44 0.00 0.0
1951 80 45 0.00 0.0
1950 81 40 0.00 0.0
1949 66 33 0.00 0.0
1948 79 53 0.00 0.0
1947 83 48 0.00 0.0
1946 86 41 0.00 0.0
1945 71 56 0.02 0.0
1944 86 43 0.00 0.0
1943 n/a n/a n/a n/a
1942 95 50 0.00 0.0
1941 60 48 0.22 0.0
1940 104 54 0.00 0.0
1939 84 47 0.00 0.0
1938 85 51 0.00 0.0
1937 98 50 0.00 0.0
1936 68 58 0.05 0.0
1935 85 45 0.00 0.0
1934 72 43 0.00 0.0
1933 93 42 0.00 0.0
1932 71 48 0.00 0.0
1931 68 55 0.00 0.0
1930 80 54 0.00 0.0
1929 98 49 0.00 0.0
1928 80 48 0.00 0.0
1927 96 50 0.00 n/a
1926 74 57 n/a n/a
1925 89 50 n/a n/a
1924 90 45 n/a n/a
1923 99 48 n/a n/a
1922 86 43 n/a n/a
1921 100 51 n/a n/a
1920 66 36 n/a n/a
1919 86 38 n/a n/a
1918 84 55 n/a n/a
1917 99 40 n/a n/a
1916 88 42 0.00 0.0
1915 99 42 n/a n/a
1914 76 56 0.00 n/a
1913 98 52 0.00 n/a
1912 72 54 0.00 n/a
1911 77 53 0.00 n/a
1910 86 46 0.00 n/a
1909 81 42 n/a n/a
1908 69 43 0.00 n/a
1907 n/a n/a 0.00 n/a
1906 65 42 n/a n/a
1905 82 40 0.00 n/a
1904 87 46 0.00 n/a
1903 84 42 0.00 n/a
1902 74 54 0.00 n/a
1901 90 43 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 53 0.00 n/a
1894 72 51 n/a n/a
1893 68 43 0.00 n/a
What's the all-time high for Riverside on 10/20?
For the date of Oct 20, the highest temperature ever reached in Riverside history is 104 °F which happened in 1940.
Highest Temperatures in Riverside on October 20
Rank Temperature Year
1 104 °F 1940
2 101 °F 2003
3 100 °F 1921
4 99 °F 1915
4 99 °F 1917
4 99 °F 1923
7 98 °F 1937
7 98 °F 2023
7 98 °F 1929
7 98 °F 1913
What's the all-time low for Riverside on 10/20?
For the date of Oct 20, the lowest temperature ever reached in Riverside history is 33 °F which happened in 1949.
Lowest Temperatures in Riverside on October 20
Rank Temperature Year
1 33 °F 1949
2 36 °F 1920
3 38 °F 1919
4 40 °F 1905
4 40 °F 1950
4 40 °F 1917
7 41 °F 1946
7 41 °F 1992
7 41 °F 1953
7 41 °F 1971
Lowest High Temperatures in Riverside on October 20
Rank Temperature Year
1 60 °F 1941
2 64 °F 1957
2 64 °F 1972
4 65 °F 1906
5 66 °F 2004
5 66 °F 1920
5 66 °F 1949
8 68 °F 1977
8 68 °F 1936
8 68 °F 1931
8 68 °F 1893
What's the most it has ever rained in Riverside on 10/20?
For the date of Oct 20, the most precipitation ever recorded in Riverside history is 0.64 inches which happened in 1979.
All-Time Most Precipitation in Riverside on October 20
Rank Precipitation Year
1 0.64 inches 1979
2 0.25 inches 2004
3 0.22 inches 1941
4 0.05 inches 1936
5 0.03 inches 1963
5 0.03 inches 1957
7 0.02 inches 1945
8 0.01 inches 2010
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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