Weather on December 17
Riverside, CA
55 Years of Data
Avg High
69°F
Avg Low
42°F
Warmest
2013
71°F avg
Coldest
2006
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 42°F — a 27°F daily swing. Over 55 years of records, the warmest December 17th was in 2013 (71°F average), while the coldest was 2006 (44°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 17th dates historically, with the wettest December 17th recording 2.13" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 17th in Riverside, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| 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 | 61° | 48° | 54° | 1.04" | — |
| 2013warmest | 87° | 55° | 71° | — | — |
| 2012 | 62° | 50° | 56° | — | — |
| 2011 | 63° | 51° | 57° | — | — |
| 2010 | 56° | 48° | 52° | 0.23" | — |
| 2009 | 77° | 53° | 65° | — | — |
| 2008 | 49° | 40° | 44° | 2.13" | — |
| 2007 | 64° | 36° | 50° | — | — |
| 2006coldest | 54° | 35° | 44° | — | — |
| 2005 | 58° | 46° | 52° | — | — |
| 2004 | 74° | 40° | 57° | — | — |
| 2003 | 74° | 49° | 61° | — | — |
| 2002 | 56° | 43° | 49° | 0.53" | — |
| 2001 | 65° | 31° | 48° | — | — |
| 2000 | 80° | 38° | 59° | — | — |
| 1999 | 82° | 38° | 60° | — | — |
| 1998 | 85° | 45° | 65° | — | — |
| 1997 | 74° | 40° | 57° | — | — |
| 1996 | 70° | 44° | 57° | — | — |
| 1995 | 69° | 43° | 56° | — | — |
| 1994 | 82° | 40° | 61° | — | — |
| 1993 | 65° | 35° | 50° | — | — |
| 1992 | 62° | 37° | 50° | — | — |
| 1991 | 70° | 49° | 59° | — | — |
| 1990 | 65° | 33° | 49° | — | — |
| 1989 | 69° | 37° | 53° | — | — |
| 1988 | 62° | 41° | 52° | 0.48" | — |
| 1987 | 51° | 43° | 47° | 0.79" | — |
| 1986 | 74° | 37° | 55° | — | — |
| 1985 | 76° | 42° | 59° | — | — |
| 1984 | 59° | 31° | 45° | — | — |
| 1983 | 62° | 52° | 57° | — | — |
| 1982 | 69° | 31° | 50° | — | — |
| 1981 | 78° | 47° | 62° | — | — |
| 1980 | 78° | 49° | 63° | — | — |
| 1979 | 83° | 37° | 60° | — | — |
| 1978 | 60° | 47° | 53° | 1.4" | — |
| 1977 | 64° | 43° | 53° | — | — |
| 1976 | 74° | 36° | 55° | — | — |
| 1975 | 70° | 32° | 51° | — | — |
| 1974 | 75° | 41° | 58° | — | — |
| 1973 | 78° | 38° | 58° | — | — |
| 1972 | 68° | 41° | 55° | — | — |
| 1971 | 68° | 33° | 51° | — | — |
55 years of data from RIVERSIDE MUNI AP