Weather on December 20
Moreno Valley, CA
55 Years of Data
Avg High
67°F
Avg Low
39°F
Warmest
1999
64°F avg
Coldest
2006
43°F avg
About This Date
December 20th 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 20th was in 1999 (64°F average), while the coldest was 2006 (43°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 20th dates historically, with the wettest December 20th recording 1.93" 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 20th in Moreno Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 38° | 55° | — | — |
| 2024 | 79° | 38° | 58° | — | — |
| 2023 | 67° | 51° | 59° | 0.64" | — |
| 2022 | 66° | 33° | 50° | — | — |
| 2021 | 69° | 26° | 48° | — | — |
| 2020 | 80° | 27° | 54° | — | — |
| 2019 | 72° | 33° | 52° | — | — |
| 2018 | 78° | 35° | 57° | — | — |
| 2017 | 63° | 40° | 51° | — | — |
| 2016 | 73° | 39° | 56° | — | — |
| 2015 | 56° | 33° | 44° | — | — |
| 2014 | 57° | 40° | 48° | — | — |
| 2013 | 60° | 37° | 49° | — | — |
| 2012 | 60° | 37° | 49° | — | — |
| 2011 | 63° | 30° | 47° | — | — |
| 2010 | 58° | 50° | 54° | — | — |
| 2009 | 71° | 49° | 60° | — | — |
| 2008 | 58° | 34° | 46° | — | — |
| 2007 | 56° | 46° | 51° | — | — |
| 2006coldest | 58° | 29° | 43° | — | — |
| 2005 | 79° | 48° | 63° | — | — |
| 2004 | 78° | 41° | 60° | — | — |
| 2003 | 65° | 44° | 54° | — | — |
| 2002 | 53° | 38° | 45° | — | — |
| 2001 | 56° | 37° | 46° | — | — |
| 2000 | 80° | 41° | 61° | — | — |
| 1999warmest | 83° | 45° | 64° | — | — |
| 1998 | 55° | 46° | 51° | 0.03" | — |
| 1997 | 64° | 37° | 51° | — | — |
| 1996 | 68° | 37° | 53° | — | — |
| 1995 | 60° | 40° | 50° | — | — |
| 1994 | 79° | 42° | 60° | — | — |
| 1993 | 64° | 37° | 51° | — | — |
| 1992 | 60° | 30° | 45° | — | — |
| 1991 | — | 51° | — | — | — |
| 1990 | 50° | 40° | 45° | 0.03" | — |
| 1989 | 66° | 38° | 52° | — | — |
| 1988 | 57° | 38° | 47° | — | — |
| 1987 | 67° | 37° | 52° | — | — |
| 1986 | 67° | 49° | 58° | — | — |
| 1985 | 81° | 46° | 63° | — | — |
| 1984 | 61° | 42° | 51° | 1.93" | — |
| 1983 | 60° | 46° | 53° | — | — |
| 1982 | 75° | 37° | 56° | — | — |
| 1981 | 68° | 40° | 54° | — | — |
| 1980 | 75° | 41° | 58° | — | — |
| 1979 | 64° | 37° | 51° | — | — |
| 1978 | 57° | 31° | 44° | 0.15" | — |
| 1977 | 64° | 40° | 52° | — | — |
| 1976 | 71° | 39° | 55° | — | — |
| 1975 | 65° | 36° | 50° | 0.46" | — |
| 1974 | 74° | 40° | 57° | — | — |
| 1973 | 70° | 34° | 52° | — | — |
| 1972 | 79° | 37° | 58° | — | — |
| 1971 | 65° | 28° | 46° | — | — |
55 years of data from MARCH AFB