Riverside January 21 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of January 21.
January 21 All-Time Records
1893–2024
Highest temperature 83 °F 1968
Lowest temperature 23 °F 1922
Lowest daily high 45 °F 1937
Highest daily low 57 °F 2009
Most precipitation 1.75 inches 1909
January 21 Average Weather
1991–2020 1
Average high 69.1 °F
Average low 43.4 °F
Chance precipitation 17.6%
Riverside January 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 63 52 0.14 n/a
2023 65 36 0.00 n/a
2022 73 44 0.00 n/a
2021 71 49 0.00 n/a
2020 58 50 0.00 0.0
2019 61 44 0.00 n/a
2018 62 38 0.00 0.0
2017 58 45 0.00 0.0
2016 78 50 0.00 0.0
2015 74 44 0.00 0.0
2014 80 50 0.00 0.0
2013 81 43 0.00 0.0
2012 62 47 0.20 n/a
2011 77 42 0.00 n/a
2010 54 47 1.35 n/a
2009 75 57 0.00 n/a
2008 n/a n/a n/a n/a
2007 60 34 0.00 n/a
2006 69 29 0.00 n/a
2005 70 42 0.00 n/a
2004 66 44 0.02 n/a
2003 66 48 0.00 n/a
2002 70 32 0.00 n/a
2001 72 39 0.00 n/a
2000 66 50 0.00 n/a
1999 64 41 0.01 n/a
1998 69 40 0.00 0.0
1997 60 40 0.00 0.0
1996 72 37 0.10 0.0
1995 60 44 0.21 0.0
1994 79 41 0.00 0.0
1993 69 43 0.00 0.0
1992 69 39 0.00 0.0
1991 66 48 0.00 0.0
1990 71 35 0.00 0.0
1989 82 52 0.00 0.0
1988 70 33 0.00 0.0
1987 68 35 0.00 0.0
1986 62 42 0.00 0.0
1985 55 40 0.00 0.0
1984 68 41 0.00 0.0
1983 56 33 0.00 0.0
1982 49 42 0.85 0.0
1981 75 43 0.00 0.0
1980 72 45 0.00 0.0
1979 64 45 0.00 0.0
1978 68 39 0.00 0.0
1977 65 52 0.04 0.0
1976 77 49 0.00 0.0
1975 75 39 0.00 0.0
1974 63 48 0.00 0.0
1973 52 32 0.00 0.0
1972 61 35 0.00 0.0
1971 66 51 0.00 0.0
1970 66 49 0.00 0.0
1969 66 56 0.59 0.0
1968 83 40 0.00 0.0
1967 63 37 0.00 0.0
1966 65 37 0.00 0.0
1965 60 48 0.00 0.0
1964 55 48 0.58 0.0
1963 72 31 0.00 0.0
1962 50 39 0.39 0.0
1961 75 44 0.00 0.0
1960 70 37 0.00 0.0
1959 69 32 0.00 0.0
1958 60 33 0.00 0.0
1957 56 35 0.00 0.0
1956 67 47 0.03 0.0
1955 59 31 0.00 0.0
1954 60 32 0.00 0.0
1953 67 45 0.00 0.0
1952 56 40 0.00 0.0
1951 69 33 0.00 0.0
1950 74 40 0.00 0.0
1949 50 41 0.00 0.0
1948 78 n/a 0.00 0.0
1947 80 n/a 0.00 0.0
1946 75 40 0.00 0.0
1945 53 33 0.00 0.0
1944 78 36 0.00 0.0
1943 53 47 0.13 0.0
1942 73 43 0.00 0.0
1941 64 43 0.00 0.0
1940 71 31 0.00 0.0
1939 63 48 1.04 0.0
1938 61 44 0.00 0.0
1937 45 27 0.00 0.0
1936 76 35 0.00 0.0
1935 55 30 0.00 0.0
1934 56 37 0.00 0.0
1933 46 36 0.31 0.0
1932 56 34 0.00 0.0
1931 74 32 0.00 0.0
1930 64 40 0.00 n/a
1929 52 33 0.00 n/a
1928 68 29 0.00 n/a
1927 62 48 0.29 n/a
1926 66 28 0.00 n/a
1925 77 38 n/a n/a
1924 74 32 0.00 n/a
1923 75 38 n/a n/a
1922 63 23 n/a n/a
1921 57 36 n/a n/a
1920 60 45 n/a n/a
1919 70 39 n/a n/a
1918 66 28 0.00 n/a
1917 50 35 0.00 n/a
1916 61 35 n/a n/a
1915 62 46 0.01 n/a
1914 65 35 0.00 n/a
1913 66 26 0.00 n/a
1912 81 38 n/a 0.0
1911 70 n/a 0.00 n/a
1910 75 51 0.00 n/a
1909 57 50 1.75 0.0
1908 64 35 0.00 n/a
1907 72 32 0.00 0.0
1906 69 26 0.00 n/a
1905 61 47 0.60 n/a
1904 61 27 0.00 n/a
1903 73 33 0.00 n/a
1902 62 30 0.00 0.0
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 64 53 0.14 n/a
1895 62 35 n/a n/a
1894 62 35 0.00 n/a
1893 73 39 0.00 n/a
What's the all-time high for Riverside on 1/21?
For the date of Jan 21, the highest temperature ever reached in Riverside history is 83 °F which happened in 1968.
Highest Temperatures in Riverside on January 21
Rank Temperature Year
1 83 °F 1968
2 82 °F 1989
3 81 °F 2013
3 81 °F 1912
5 80 °F 2014
5 80 °F 1947
7 79 °F 1994
8 78 °F 1948
8 78 °F 2016
8 78 °F 1944
What's the all-time low for Riverside on 1/21?
For the date of Jan 21, the lowest temperature ever reached in Riverside history is 23 °F which happened in 1922.
Lowest Temperatures in Riverside on January 21
Rank Temperature Year
1 23 °F 1922
2 26 °F 1906
2 26 °F 1913
4 27 °F 1904
4 27 °F 1937
6 28 °F 1918
6 28 °F 1926
8 29 °F 1928
8 29 °F 2006
10 30 °F 1902
10 30 °F 1935
Lowest High Temperatures in Riverside on January 21
Rank Temperature Year
1 45 °F 1937
2 46 °F 1933
3 49 °F 1982
4 50 °F 1962
4 50 °F 1949
4 50 °F 1917
7 52 °F 1973
7 52 °F 1929
9 53 °F 1943
9 53 °F 1945
What's the most it has ever rained in Riverside on 1/21?
For the date of Jan 21, the most precipitation ever recorded in Riverside history is 1.75 inches which happened in 1909.
All-Time Most Precipitation in Riverside on January 21
Rank Precipitation Year
1 1.75 inches 1909
2 1.35 inches 2010
3 1.04 inches 1939
4 0.85 inches 1982
5 0.60 inches 1905
6 0.59 inches 1969
7 0.58 inches 1964
8 0.39 inches 1962
9 0.31 inches 1933
10 0.29 inches 1927
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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