Weather on December 21
Murrieta, CA
55 Years of Data
Avg High
64°F
Avg Low
42°F
Warmest
2005
73°F avg
Coldest
1990
38°F avg
About This Date
December 21st in Murrieta, CA typically brings mild winter weather, with average highs around 64°F and lows near 42°F. Over 55 years of records, the warmest December 21st was in 2005 (73°F average), while the coldest was 1990 (38°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 7% of December 21st dates historically, with the wettest December 21st recording 1.52" of rain. The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Murrieta, CA? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 52° | 63° | — | — |
| 2024 | 71° | 54° | 62° | — | — |
| 2023 | 64° | 52° | 58° | — | — |
| 2022 | 70° | 46° | 58° | — | — |
| 2021 | 65° | 51° | 58° | — | — |
| 2020 | 81° | 53° | 67° | — | — |
| 2019 | 72° | 56° | 64° | — | — |
| 2018 | 65° | 55° | 60° | — | — |
| 2017 | 57° | 40° | 48° | — | — |
| 2016 | 65° | 55° | 60° | 1.16" | — |
| 2015 | 58° | 39° | 48° | — | — |
| 2014 | 66° | 46° | 56° | — | — |
| 2013 | 56° | 44° | 50° | — | — |
| 2012 | 62° | 43° | 52° | — | — |
| 2011 | 59° | 40° | 49° | — | — |
| 2010 | 53° | 47° | 50° | — | — |
| 2009 | 62° | 47° | 54° | — | — |
| 2008 | 61° | 42° | 51° | — | — |
| 2007 | 53° | 41° | 47° | — | — |
| 2006 | 65° | 37° | 51° | — | — |
| 2005warmest | 86° | 59° | 73° | — | — |
| 2004 | 66° | 46° | 56° | — | — |
| 2003 | 65° | 45° | 55° | — | — |
| 2002 | 50° | 43° | 46° | — | — |
| 2001 | 49° | 42° | 45° | — | — |
| 2000 | 72° | 51° | 61° | — | — |
| 1999 | 72° | 53° | 62° | — | — |
| 1998 | 53° | 38° | 45° | — | — |
| 1997 | 51° | 40° | 45° | — | — |
| 1996 | 50° | 45° | 47° | — | — |
| 1995 | 59° | 41° | 50° | — | — |
| 1994 | 80° | 53° | 67° | — | — |
| 1993 | 63° | 54° | 58° | — | — |
| 1992 | 61° | 25° | 43° | — | — |
| 1991 | 66° | 42° | 54° | — | — |
| 1990coldest | 45° | 31° | 38° | — | — |
| 1989 | 64° | 34° | 49° | — | — |
| 1988 | 48° | 38° | 43° | 1.52" | — |
| 1987 | 62° | 32° | 47° | — | — |
| 1986 | 67° | 41° | 54° | — | — |
| 1985 | 78° | 37° | 58° | — | — |
| 1984 | 57° | 33° | 45° | — | — |
| 1983 | 58° | 40° | 49° | — | — |
| 1982 | 56° | 35° | 45° | — | — |
| 1981 | 65° | 44° | 54° | 0.03" | — |
| 1980 | 81° | 38° | 59° | — | — |
| 1979 | 64° | 45° | 54° | 0.08" | — |
| 1978 | 64° | 30° | 47° | — | — |
| 1977 | 63° | 38° | 50° | — | — |
| 1976 | 74° | 30° | 52° | — | — |
| 1975 | 71° | 34° | 52° | — | — |
| 1974 | 73° | 32° | 53° | — | — |
| 1973 | 59° | 40° | 49° | — | — |
| 1972 | 70° | 38° | 54° | — | — |
| 1971 | 63° | 26° | 44° | — | — |
55 years of data from SANTA ROSA PLATEAU CALIFORNIA