Weather on December 17
Riverside, CA
55 Years of Data
Avg High
69°F
Avg Low
43°F
Warmest
2013
71°F avg
Coldest
2008
44°F avg
About This Date
December 17th 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 17th was in 2013 (71°F average), while the coldest was 2008 (44°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 17th dates historically, with the wettest December 17th recording 2.84" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for December 17th in Riverside, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 48° | 61° | — | — |
| 2024 | 80° | 43° | 61° | — | — |
| 2023 | 80° | 49° | 64° | — | — |
| 2022 | 65° | 39° | 52° | — | — |
| 2021 | 67° | 42° | 54° | — | — |
| 2020 | 65° | 44° | 54° | — | — |
| 2019 | 63° | 41° | 52° | — | — |
| 2018 | 66° | 49° | 57° | — | — |
| 2017 | 67° | 53° | 60° | — | — |
| 2016 | 59° | 36° | 47° | — | — |
| 2015 | 68° | 35° | 52° | — | — |
| 2014 | 63° | 48° | 55° | 1.27" | — |
| 2013warmest | 90° | 53° | 71° | — | — |
| 2012 | 63° | 51° | 57° | — | — |
| 2011 | 63° | 51° | 57° | — | — |
| 2010 | 56° | 48° | 52° | 0.23" | — |
| 2009 | 77° | 53° | 65° | — | — |
| 2008coldest | 48° | 39° | 44° | 2.84" | — |
| 2007 | 58° | 37° | 47° | — | — |
| 2006 | 59° | 37° | 48° | — | — |
| 2005 | 61° | 47° | 54° | — | — |
| 2004 | 77° | 39° | 58° | — | — |
| 2003 | 73° | 40° | 56° | — | — |
| 2002 | 56° | 45° | 50° | 0.43" | — |
| 2001 | 71° | 34° | 52° | — | — |
| 2000 | 83° | 42° | 62° | — | — |
| 1999 | 82° | 42° | 62° | — | — |
| 1998 | 83° | 50° | 66° | — | — |
| 1997 | 75° | 41° | 58° | — | — |
| 1996 | 70° | 49° | 59° | — | — |
| 1995 | 67° | 42° | 54° | — | — |
| 1994 | 79° | 44° | 61° | — | — |
| 1993 | 64° | 35° | 50° | — | — |
| 1992 | 60° | 36° | 48° | 0.28" | — |
| 1991 | 65° | 47° | 56° | — | — |
| 1990 | 62° | 35° | 49° | — | — |
| 1989 | 66° | 34° | 50° | — | — |
| 1988 | 58° | 41° | 49° | — | — |
| 1987 | 51° | 40° | 45° | 0.58" | — |
| 1986 | 72° | 40° | 56° | — | — |
| 1985 | 75° | 45° | 60° | — | — |
| 1984 | 57° | 36° | 46° | — | — |
| 1983 | 61° | 54° | 57° | — | — |
| 1982 | 68° | 35° | 52° | — | — |
| 1981 | 76° | 46° | 61° | — | — |
| 1980 | 78° | 49° | 63° | — | — |
| 1979 | 84° | 42° | 63° | — | — |
| 1978 | 70° | 43° | 56° | 0.53" | — |
| 1977 | 66° | 44° | 55° | 0.03" | — |
| 1976 | 77° | 39° | 58° | — | — |
| 1975 | 71° | 34° | 52° | — | — |
| 1974 | 76° | 41° | 58° | — | — |
| 1973 | 80° | 40° | 60° | — | — |
| 1972 | 67° | 42° | 54° | — | — |
| 1971 | 67° | 38° | 52° | — | — |
55 years of data from RIVERSIDE CITRUS EXP