Weather on December 18
Moreno Valley, CA
55 Years of Data
Avg High
66°F
Avg Low
39°F
Warmest
2003
63°F avg
Coldest
2011
42°F avg
About This Date
December 18th in Moreno Valley, CA typically brings mild winter weather, with average highs around 66°F and lows near 39°F — a 27°F daily swing. Over 55 years of records, the warmest December 18th was in 2003 (63°F average), while the coldest was 2011 (42°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 18th dates historically, with the wettest December 18th recording 1.45" 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 18th in Moreno Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 41° | 62° | — | — |
| 2024 | 81° | 46° | 63° | — | — |
| 2023 | 74° | 49° | 61° | — | — |
| 2022 | 62° | 32° | 47° | — | — |
| 2021 | 68° | 30° | 49° | — | — |
| 2020 | 68° | 36° | 52° | — | — |
| 2019 | 61° | 30° | 46° | — | — |
| 2018 | 65° | 43° | 54° | — | — |
| 2017 | 70° | 43° | 56° | — | — |
| 2016 | 59° | 33° | 46° | — | — |
| 2015 | 69° | 31° | 50° | — | — |
| 2014 | 59° | 38° | 48° | — | — |
| 2013 | 71° | 45° | 58° | — | — |
| 2012 | 57° | 38° | 47° | 0.2" | — |
| 2011coldest | 53° | 30° | 42° | 0.03" | — |
| 2010 | 56° | 52° | 54° | — | — |
| 2009 | 78° | 49° | 63° | — | — |
| 2008 | 51° | 35° | 43° | — | — |
| 2007 | 59° | 41° | 50° | — | — |
| 2006 | 57° | 30° | 44° | — | — |
| 2005 | 63° | 40° | 51° | — | — |
| 2004 | 81° | 40° | 60° | — | — |
| 2003warmest | 79° | 48° | 63° | — | — |
| 2002 | 55° | 31° | 43° | — | — |
| 2001 | 72° | 34° | 53° | — | — |
| 2000 | 67° | 50° | 58° | — | — |
| 1999 | 74° | 44° | 59° | — | — |
| 1998 | 58° | 46° | 52° | — | — |
| 1997 | 63° | 39° | 51° | — | — |
| 1996 | 65° | 37° | 51° | — | — |
| 1995 | 67° | 37° | 52° | — | — |
| 1994 | 71° | 38° | 54° | — | — |
| 1993 | 65° | 34° | 49° | — | — |
| 1992 | 55° | 41° | 48° | 0.51" | — |
| 1991 | 57° | 52° | 54° | — | — |
| 1990 | 60° | 35° | 48° | — | — |
| 1989 | 59° | 37° | 48° | — | — |
| 1988 | 48° | 38° | 43° | 0.13" | — |
| 1987 | 65° | 37° | 51° | 0.15" | — |
| 1986 | 69° | 42° | 56° | — | — |
| 1985 | 79° | 40° | 59° | — | — |
| 1984 | 48° | 38° | 43° | 0.76" | — |
| 1983 | 69° | 39° | 54° | — | — |
| 1982 | 70° | 32° | 51° | — | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 68° | 37° | 53° | — | — |
| 1979 | 81° | 41° | 61° | — | — |
| 1978 | 51° | 46° | 49° | 1.45" | — |
| 1977 | 63° | 52° | 57° | 1.17" | — |
| 1976 | 68° | 39° | 54° | — | — |
| 1975 | 70° | 34° | 52° | — | — |
| 1974 | 72° | 37° | 54° | — | — |
| 1973 | 73° | 36° | 54° | — | — |
| 1972 | 68° | 41° | 55° | — | — |
| 1971 | 64° | 36° | 50° | — | — |
55 years of data from MARCH AFB