Riverside June 21 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of June 21.
June 21 All-Time Records
1893–2024
Highest temperature 109 °F 1973
Lowest temperature 45 °F 1908
Lowest daily high 70 °F 2003
Highest daily low 72 °F 2016
Most precipitation 0.22 inches 1972
June 21 Average Weather
1991–2020 1
Average high 88.8 °F
Average low 59.6 °F
Chance precipitation 1.3%
Riverside June 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 56 0.00 n/a
2022 97 65 0.00 n/a
2021 94 59 0.00 n/a
2020 85 60 0.00 0.0
2019 76 61 0.00 n/a
2018 92 59 0.00 0.0
2017 104 69 0.00 0.0
2016 97 72 0.00 0.0
2015 92 64 0.00 0.0
2014 94 62 0.00 0.0
2013 87 60 0.00 0.0
2012 85 58 0.00 0.0
2011 96 60 0.00 n/a
2010 80 58 0.00 n/a
2009 80 60 0.00 n/a
2008 n/a n/a n/a n/a
2007 94 56 0.00 n/a
2006 92 58 0.00 n/a
2005 95 56 0.00 n/a
2004 81 59 0.00 n/a
2003 70 58 0.00 n/a
2002 77 59 0.00 n/a
2001 97 58 0.00 n/a
2000 91 58 0.00 n/a
1999 82 54 0.00 n/a
1998 86 57 0.00 0.0
1997 85 61 0.00 0.0
1996 83 61 0.00 0.0
1995 84 56 0.00 0.0
1994 94 61 0.00 0.0
1993 87 61 0.00 0.0
1992 91 56 0.00 0.0
1991 82 55 0.00 0.0
1990 93 61 0.00 0.0
1989 103 62 0.00 0.0
1988 88 55 0.00 0.0
1987 82 59 0.00 0.0
1986 93 55 0.00 0.0
1985 86 55 0.00 0.0
1984 89 54 0.00 0.0
1983 84 58 0.00 0.0
1982 75 60 0.00 0.0
1981 97 63 0.00 0.0
1980 92 54 0.00 0.0
1979 88 54 0.00 0.0
1978 100 62 0.00 0.0
1977 86 57 0.00 0.0
1976 91 56 0.00 0.0
1975 86 51 0.00 0.0
1974 94 56 0.00 0.0
1973 109 65 0.00 0.0
1972 89 62 0.22 0.0
1971 97 59 0.00 0.0
1970 91 59 0.00 0.0
1969 78 60 0.00 0.0
1968 101 59 0.00 0.0
1967 97 58 0.00 0.0
1966 88 58 0.00 0.0
1965 79 54 0.00 0.0
1964 82 53 0.00 0.0
1963 79 60 0.00 0.0
1962 93 57 0.00 0.0
1961 88 57 0.00 0.0
1960 101 58 0.00 0.0
1959 98 69 0.00 0.0
1958 90 58 0.00 0.0
1957 92 57 0.00 0.0
1956 83 53 0.00 0.0
1955 99 50 0.00 0.0
1954 92 57 0.00 0.0
1953 94 50 0.00 0.0
1952 82 52 0.00 0.0
1951 74 57 0.00 0.0
1950 84 56 0.00 0.0
1949 98 50 0.00 0.0
1948 78 57 0.00 0.0
1947 82 54 0.00 0.0
1946 81 59 0.00 0.0
1945 73 60 0.00 0.0
1944 78 50 0.00 0.0
1943 94 50 0.00 0.0
1942 99 53 0.00 0.0
1941 89 53 0.00 0.0
1940 97 55 0.00 0.0
1939 87 54 0.00 0.0
1938 76 48 0.00 0.0
1937 100 59 0.00 0.0
1936 96 60 0.00 0.0
1935 92 56 0.00 0.0
1934 75 58 0.00 0.0
1933 95 47 0.00 0.0
1932 104 53 0.00 0.0
1931 85 53 0.00 0.0
1930 80 54 0.00 0.0
1929 100 56 0.00 0.0
1928 88 48 0.00 0.0
1927 88 55 0.00 n/a
1926 92 55 n/a n/a
1925 90 54 n/a n/a
1924 88 52 n/a n/a
1923 77 51 n/a n/a
1922 99 55 n/a n/a
1921 95 56 n/a n/a
1920 91 55 n/a n/a
1919 98 47 n/a n/a
1918 100 59 n/a n/a
1917 97 52 n/a n/a
1916 76 53 n/a n/a
1915 90 50 n/a n/a
1914 83 50 0.00 n/a
1913 101 51 0.00 n/a
1912 84 52 0.00 n/a
1911 76 56 0.00 n/a
1910 83 46 0.00 0.0
1909 86 54 n/a n/a
1908 89 45 n/a n/a
1907 77 56 n/a n/a
1906 86 56 n/a n/a
1905 88 48 0.00 n/a
1904 79 59 0.00 n/a
1903 83 52 0.00 n/a
1902 90 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 98 53 n/a n/a
1894 80 55 n/a n/a
1893 96 47 0.00 n/a
What's the all-time high for Riverside on 6/21?
For the date of Jun 21, the highest temperature ever reached in Riverside history is 109 °F which happened in 1973.
Highest Temperatures in Riverside on June 21
Rank Temperature Year
1 109 °F 1973
2 104 °F 1932
2 104 °F 2017
4 103 °F 1989
5 101 °F 1960
5 101 °F 1968
5 101 °F 1913
8 100 °F 1929
8 100 °F 1978
8 100 °F 1918
8 100 °F 1937
What's the all-time low for Riverside on 6/21?
For the date of Jun 21, the lowest temperature ever reached in Riverside history is 45 °F which happened in 1908.
Lowest Temperatures in Riverside on June 21
Rank Temperature Year
1 45 °F 1908
2 46 °F 1910
3 47 °F 1893
3 47 °F 1933
3 47 °F 1919
6 48 °F 1928
6 48 °F 1938
6 48 °F 1905
9 50 °F 1943
9 50 °F 1953
9 50 °F 1915
9 50 °F 1955
9 50 °F 1902
9 50 °F 1914
9 50 °F 1944
9 50 °F 1949
Lowest High Temperatures in Riverside on June 21
Rank Temperature Year
1 70 °F 2003
2 73 °F 1945
3 74 °F 1951
4 75 °F 1982
4 75 °F 1934
6 76 °F 1916
6 76 °F 1911
6 76 °F 1938
6 76 °F 2019
10 77 °F 1907
10 77 °F 2002
10 77 °F 1923
What's the most it has ever rained in Riverside on 6/21?
For the date of Jun 21, the most precipitation ever recorded in Riverside history is 0.22 inches which happened in 1972.
All-Time Most Precipitation in Riverside on June 21
Rank Precipitation Year
1 0.22 inches 1972
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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