Weather on December 8
Riverside, CA
55 Years of Data
Avg High
69°F
Avg Low
43°F
Warmest
2020
69°F avg
Coldest
1978
40°F avg
About This Date
December 8th in Riverside, CA typically brings mild winter weather, with average highs around 69°F and lows near 43°F — a 26°F daily swing. Over 55 years of records, the warmest December 8th was in 2020 (69°F average), while the coldest was 1978 (40°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 8th dates historically, with the wettest December 8th recording 0.81" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for December 8th in Riverside, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 47° | 65° | — | — |
| 2024 | 74° | 42° | 58° | — | — |
| 2023 | 67° | 43° | 55° | — | — |
| 2022 | 62° | 39° | 51° | — | — |
| 2021 | 67° | 44° | 55° | — | — |
| 2020warmest | 78° | 61° | 69° | — | — |
| 2019 | 65° | 52° | 58° | 0.1" | — |
| 2018 | 73° | 44° | 59° | — | — |
| 2017 | 80° | 45° | 62° | — | — |
| 2016 | 66° | 44° | 55° | — | — |
| 2015 | 84° | 50° | 67° | — | — |
| 2014 | 79° | 53° | 66° | — | — |
| 2013 | 55° | 37° | 46° | — | — |
| 2012 | 70° | 44° | 57° | — | — |
| 2011 | 71° | 37° | 54° | — | — |
| 2010 | 76° | 44° | 60° | — | — |
| 2009 | 53° | 34° | 43° | — | — |
| 2008 | 61° | 49° | 55° | — | — |
| 2007 | 59° | 44° | 52° | — | — |
| 2006 | 77° | 41° | 59° | — | — |
| 2005 | 68° | 44° | 56° | — | — |
| 2004 | 61° | 48° | 54° | 0.23" | — |
| 2003 | 67° | 46° | 56° | — | — |
| 2002 | 72° | 39° | 55° | — | — |
| 2001 | 76° | 40° | 58° | — | — |
| 2000 | 60° | 48° | 54° | — | — |
| 1999 | 66° | 41° | 54° | — | — |
| 1998 | 63° | 31° | 47° | — | — |
| 1997 | 61° | 47° | 54° | 0.61" | — |
| 1996 | 81° | 42° | 61° | — | — |
| 1995 | 75° | 43° | 59° | — | — |
| 1994 | 60° | 43° | 51° | — | — |
| 1993 | 71° | 35° | 53° | — | — |
| 1992 | 62° | 39° | 51° | 0.05" | — |
| 1991 | 66° | 47° | 56° | — | — |
| 1990 | 85° | 46° | 65° | — | — |
| 1989 | 85° | 42° | 63° | — | — |
| 1988 | 70° | 43° | 56° | — | — |
| 1987 | 69° | 42° | 56° | — | — |
| 1986 | 70° | 33° | 51° | — | — |
| 1985 | 61° | 38° | 49° | — | — |
| 1984 | 66° | 45° | 55° | 0.79" | — |
| 1983 | 76° | 37° | 56° | — | — |
| 1982 | 59° | 45° | 52° | — | — |
| 1981 | 82° | 43° | 62° | — | — |
| 1980 | 62° | 40° | 51° | — | — |
| 1979 | 78° | 43° | 60° | — | — |
| 1978coldest | 52° | 28° | 40° | — | — |
| 1977 | 65° | 45° | 55° | — | — |
| 1976 | 75° | 33° | 54° | — | — |
| 1975 | 83° | 46° | 64° | — | — |
| 1974 | 68° | 55° | 62° | — | — |
| 1973 | 80° | 44° | 62° | — | — |
| 1972 | 50° | 41° | 46° | 0.81" | — |
| 1971 | 53° | 36° | 44° | — | — |
55 years of data from RIVERSIDE MUNI AP