Weather on December 15
Moreno Valley, CA
55 Years of Data
Avg High
67°F
Avg Low
39°F
Warmest
1998
66°F avg
Coldest
1971
41°F avg
About This Date
December 15th in Moreno Valley, CA typically brings mild winter weather, with average highs around 67°F and lows near 39°F — a 28°F daily swing. Over 55 years of records, the warmest December 15th was in 1998 (66°F average), while the coldest was 1971 (41°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 7% of December 15th dates historically, with the wettest December 15th recording 1.47" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for December 15th in Moreno Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 38° | 59° | — | — |
| 2024 | 68° | 34° | 51° | — | — |
| 2023 | 77° | 42° | 60° | — | — |
| 2022 | 63° | 33° | 48° | — | — |
| 2021 | 53° | 33° | 43° | — | — |
| 2020 | 65° | 37° | 51° | — | — |
| 2019 | 60° | 35° | 48° | — | — |
| 2018 | 74° | 39° | 56° | — | — |
| 2017 | 80° | 37° | 59° | — | — |
| 2016 | 68° | 51° | 60° | 0.33" | — |
| 2015 | 56° | 29° | 43° | — | — |
| 2014 | 61° | 39° | 50° | — | — |
| 2013 | 77° | 37° | 57° | — | — |
| 2012 | 55° | 43° | 49° | 0.15" | — |
| 2011 | 54° | 29° | 42° | — | — |
| 2010 | 56° | 48° | 52° | — | — |
| 2009 | 67° | 42° | 54° | — | — |
| 2008 | 47° | 41° | 44° | — | — |
| 2007 | 63° | 40° | 51° | — | — |
| 2006 | 74° | 47° | 60° | — | — |
| 2005 | 70° | 38° | 54° | — | — |
| 2004 | 82° | 44° | 63° | — | — |
| 2003 | 67° | 35° | 51° | — | — |
| 2002 | 66° | 45° | 55° | — | — |
| 2001 | 54° | 30° | 42° | — | — |
| 2000 | 66° | 37° | 52° | — | — |
| 1999 | 71° | 35° | 53° | — | — |
| 1998warmest | 80° | 52° | 66° | — | — |
| 1997 | 70° | 40° | 55° | — | — |
| 1996 | 77° | 38° | 57° | — | — |
| 1995 | 69° | 43° | 56° | — | — |
| 1994 | 64° | 36° | 50° | — | — |
| 1993 | 55° | 38° | 46° | 1.47" | — |
| 1992 | 59° | 34° | 46° | — | — |
| 1991 | 74° | 40° | 57° | — | — |
| 1990 | 58° | 36° | 47° | — | — |
| 1989 | 68° | 43° | 55° | — | — |
| 1988 | 52° | 44° | 48° | 1.12" | — |
| 1987 | 53° | 29° | 41° | — | — |
| 1986 | 70° | 46° | 58° | — | — |
| 1985 | 73° | 39° | 56° | — | — |
| 1984 | 54° | 29° | 41° | — | — |
| 1983 | 71° | 46° | 59° | — | — |
| 1982 | 69° | 38° | 53° | — | — |
| 1981 | 73° | 46° | 60° | — | — |
| 1980 | 83° | 37° | 60° | — | — |
| 1979 | 75° | 37° | 56° | — | — |
| 1978 | 67° | 38° | 52° | — | — |
| 1977 | 78° | 45° | 61° | — | — |
| 1976 | 77° | 41° | 59° | — | — |
| 1975 | 67° | 28° | 47° | — | — |
| 1974 | 74° | 40° | 57° | — | — |
| 1973 | 78° | 37° | 58° | — | — |
| 1972 | 59° | 38° | 48° | — | — |
| 1971coldest | 54° | 28° | 41° | — | — |
55 years of data from MARCH AFB