Records for Riverside Area, California (RALthr) on 12-21
Record Highs
-
1: 90°F (1917)
-
2: 84°F (2020)
-
3: 84°F (2005)
Record Lows
-
1: 25°F (1968)
-
2: 25°F (1949)
-
3: 26°F (1948)
Lowest Highs
-
1: 55°F (1977)
-
2: 52°F (2010)
-
3: 52°F (1921)
Highest Lows
-
1: 50°F (1990)
-
2: 51°F (1893)
-
3: 52°F (1970)
Highest December temperature:
94°F on 12-03-1958.
Lowest December temperature:
21°F on 12-12-1949.
Average temperature is 55.5°F
Average high is 68.1°F
Average low is 43°F
Temperature data from 1893 to 2022.
Record Precipitation
-
1: 1.36" (2010)
-
2: 0.85" (1921)
-
3: 0.83" (1970)
Precipitation data from 1893 to 2022.