Riverside March 21 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of March 21.
March 21 All-Time Records
1893–2024
Highest temperature 92 °F 1931
Lowest temperature 27 °F 1894
Lowest daily high 52 °F 1909
Highest daily low 58 °F 1914
Most precipitation 1.11 inches 1992
March 21 Average Weather
1991–2020 1
Average high 73.1 °F
Average low 47.1 °F
Chance precipitation 16.9%
Riverside March 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 73 51 0.00 n/a
2023 61 46 1.08 n/a
2022 83 47 0.00 n/a
2021 66 43 0.00 n/a
2020 67 46 0.00 0.0
2019 59 45 0.00 n/a
2018 70 52 0.00 0.0
2017 68 53 0.11 0.0
2016 75 51 0.00 0.0
2015 81 52 0.00 0.0
2014 71 53 0.00 0.0
2013 74 51 0.00 0.0
2012 80 46 0.00 0.0
2011 54 42 0.19 n/a
2010 79 51 0.00 n/a
2009 66 53 0.00 n/a
2008 n/a n/a n/a n/a
2007 65 50 0.03 n/a
2006 59 41 0.14 n/a
2005 69 44 0.00 n/a
2004 80 49 0.00 n/a
2003 77 42 0.00 n/a
2002 86 42 0.00 n/a
2001 76 47 0.00 n/a
2000 73 43 0.00 n/a
1999 68 41 0.00 n/a
1998 71 51 0.00 0.0
1997 90 48 0.00 0.0
1996 78 53 0.00 0.0
1995 65 50 0.36 0.0
1994 74 49 0.20 0.0
1993 n/a n/a 0.00 0.0
1992 64 51 1.11 0.0
1991 58 42 0.24 0.0
1990 90 51 0.00 0.0
1989 86 44 0.00 0.0
1988 84 47 0.00 0.0
1987 69 39 0.50 0.0
1986 87 45 0.00 0.0
1985 69 41 0.00 0.0
1984 80 45 0.00 0.0
1983 62 42 0.22 0.0
1982 71 36 0.00 0.0
1981 n/a n/a 0.00 0.0
1980 69 47 0.00 0.0
1979 61 46 0.12 0.0
1978 67 51 0.04 0.0
1977 83 42 0.00 0.0
1976 85 42 0.00 0.0
1975 68 45 0.00 0.0
1974 69 52 0.00 0.0
1973 60 40 0.00 0.0
1972 80 48 0.00 0.0
1971 72 42 0.00 0.0
1970 74 45 0.00 0.0
1969 64 46 0.13 0.0
1968 81 39 0.00 0.0
1967 76 45 0.00 0.0
1966 70 41 0.00 0.0
1965 84 47 0.00 0.0
1964 72 43 0.00 0.0
1963 75 41 0.00 0.0
1962 65 39 0.00 0.0
1961 74 41 0.00 0.0
1960 90 47 0.00 0.0
1959 86 45 0.00 0.0
1958 69 49 0.33 0.0
1957 64 51 0.00 0.0
1956 83 42 0.00 0.0
1955 70 33 0.00 0.0
1954 57 48 0.20 0.0
1953 65 37 0.00 0.0
1952 63 51 0.00 0.0
1951 79 37 0.00 0.0
1950 81 40 0.00 0.0
1949 75 35 0.00 0.0
1948 73 32 0.00 0.0
1947 63 48 0.08 0.0
1946 57 40 0.02 0.0
1945 55 42 0.00 0.0
1944 72 36 0.00 0.0
1943 67 46 0.00 0.0
1942 81 35 0.00 0.0
1941 66 39 0.00 0.0
1940 75 54 0.00 0.0
1939 72 52 0.00 0.0
1938 68 41 0.00 0.0
1937 68 36 0.00 0.0
1936 78 54 0.03 0.0
1935 62 40 0.00 0.0
1934 82 41 0.00 0.0
1933 81 38 0.00 0.0
1932 66 45 0.00 n/a
1931 92 47 0.00 n/a
1930 66 42 0.00 0.0
1929 67 40 0.01 n/a
1928 83 41 0.00 n/a
1927 82 34 0.00 n/a
1926 80 53 n/a n/a
1925 86 47 n/a n/a
1924 58 36 n/a n/a
1923 75 45 n/a n/a
1922 76 43 n/a n/a
1921 73 40 n/a n/a
1920 60 49 0.33 n/a
1919 61 34 0.08 n/a
1918 68 49 0.00 n/a
1917 67 38 0.00 n/a
1916 74 52 0.05 n/a
1915 87 48 0.00 n/a
1914 80 58 0.00 n/a
1913 67 45 0.00 n/a
1912 57 42 0.00 0.0
1911 63 50 0.05 n/a
1910 74 52 0.00 n/a
1909 52 43 0.64 n/a
1908 79 42 0.00 n/a
1907 60 41 0.00 0.0
1906 76 43 0.04 n/a
1905 70 50 0.00 n/a
1904 62 36 0.00 n/a
1903 78 36 0.00 n/a
1902 67 45 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 64 47 0.00 n/a
1894 63 27 0.00 n/a
1893 61 48 0.22 n/a
What's the all-time high for Riverside on 3/21?
For the date of Mar 21, the highest temperature ever reached in Riverside history is 92 °F which happened in 1931.
Highest Temperatures in Riverside on March 21
Rank Temperature Year
1 92 °F 1931
2 90 °F 1960
2 90 °F 1997
2 90 °F 1990
5 87 °F 1986
5 87 °F 1915
7 86 °F 1959
7 86 °F 1925
7 86 °F 2002
7 86 °F 1989
What's the all-time low for Riverside on 3/21?
For the date of Mar 21, the lowest temperature ever reached in Riverside history is 27 °F which happened in 1894.
Lowest Temperatures in Riverside on March 21
Rank Temperature Year
1 27 °F 1894
2 32 °F 1948
3 33 °F 1955
4 34 °F 1919
4 34 °F 1927
6 35 °F 1942
6 35 °F 1949
8 36 °F 1924
8 36 °F 1903
8 36 °F 1904
8 36 °F 1944
8 36 °F 1982
8 36 °F 1937
Lowest High Temperatures in Riverside on March 21
Rank Temperature Year
1 52 °F 1909
2 54 °F 2011
3 55 °F 1945
4 57 °F 1954
4 57 °F 1946
4 57 °F 1912
7 58 °F 1991
7 58 °F 1924
9 59 °F 2019
9 59 °F 2006
What's the most it has ever rained in Riverside on 3/21?
For the date of Mar 21, the most precipitation ever recorded in Riverside history is 1.11 inches which happened in 1992.
All-Time Most Precipitation in Riverside on March 21
Rank Precipitation Year
1 1.11 inches 1992
2 1.08 inches 2023
3 0.64 inches 1909
4 0.50 inches 1987
5 0.36 inches 1995
6 0.33 inches 1920
6 0.33 inches 1958
8 0.24 inches 1991
9 0.22 inches 1983
9 0.22 inches 1893
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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