Weather on December 31
Temecula, CA
55 Years of Data
Avg High
64°F
Avg Low
42°F
Warmest
1993
70°F avg
Coldest
2014
40°F avg
About This Date
December 31st in Temecula, CA typically brings mild winter weather, with average highs around 64°F and lows near 42°F. Over 52 years of records, the warmest December 31st was in 1993 (70°F average), while the coldest was 2014 (40°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 17% of December 31st dates historically, with the wettest December 31st recording 1.43" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Temecula, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 53° | 61° | 1.02" | — |
| 2024 | 67° | 42° | 54° | — | — |
| 2023 | 60° | 48° | 54° | 0.03" | — |
| 2022 | 56° | 52° | 54° | 1.06" | — |
| 2021 | 61° | 49° | 55° | — | — |
| 2020 | 66° | 45° | 55° | — | — |
| 2019 | 69° | 50° | 60° | — | — |
| 2018 | 59° | 42° | 51° | 0.51" | — |
| 2017 | 73° | 53° | 63° | — | — |
| 2016 | 53° | 46° | 49° | 1.43" | — |
| 2015 | 65° | 40° | 52° | — | — |
| 2014coldest | 48° | 32° | 40° | 1.39" | — |
| 2013 | 73° | 47° | 60° | — | — |
| 2012 | 58° | 36° | 47° | — | — |
| 2011 | 80° | 52° | 66° | — | — |
| 2010 | 56° | 33° | 44° | — | — |
| 2009 | 68° | 46° | 57° | — | — |
| 2008 | 71° | 48° | 60° | — | — |
| 2007 | 68° | 45° | 56° | — | — |
| 2006 | 62° | 42° | 52° | — | — |
| 2005 | 58° | 47° | 52° | — | — |
| 2004 | 50° | 41° | 46° | — | — |
| 2003 | 63° | 42° | 52° | — | — |
| 2002 | 58° | 41° | 49° | — | — |
| 2001 | 56° | 48° | 52° | — | — |
| 2000 | 78° | 50° | 64° | — | — |
| 1999 | 48° | 42° | 45° | — | — |
| 1998 | 61° | 46° | 53° | — | — |
| 1997 | 77° | 57° | 67° | — | — |
| 1996 | 63° | 53° | 58° | — | — |
| 1995 | 64° | 50° | 57° | — | — |
| 1994 | 62° | 39° | 51° | — | — |
| 1993warmest | 71° | 70° | 70° | — | — |
| 1992 | 75° | 42° | 59° | — | — |
| 1990 | 64° | 23° | 44° | — | — |
| 1989 | 72° | 31° | 51° | — | — |
| 1988 | 59° | 27° | 43° | — | — |
| 1987 | 52° | 30° | 41° | 0.05" | — |
| 1986 | 71° | 34° | 52° | — | — |
| 1985 | 66° | 41° | 54° | — | — |
| 1984 | 66° | 32° | 49° | — | — |
| 1983 | 73° | 37° | 55° | — | — |
| 1982 | 59° | 24° | 42° | — | — |
| 1981 | 57° | 47° | 52° | 0.18" | — |
| 1980 | 76° | 37° | 56° | — | — |
| 1979 | 73° | 39° | 56° | — | — |
| 1978 | 60° | 26° | 43° | — | — |
| 1977 | 67° | 47° | 57° | — | — |
| 1976 | 55° | 44° | 50° | 0.15" | — |
| 1975 | 61° | 35° | 48° | — | — |
| 1974 | 54° | 38° | 46° | — | — |
| 1973 | 65° | 31° | 48° | — | — |
52 years of data from FALLBROOK 5 NE