Weather on December 23
Costa Mesa, CA
55 Years of Data
Avg High
67°F
Avg Low
47°F
Warmest
1994
68°F avg
Coldest
1990
46°F avg
About This Date
December 23rd in Costa Mesa, CA typically brings mild winter weather, with average highs around 67°F and lows near 47°F. Over 55 years of records, the warmest December 23rd was in 1994 (68°F average), while the coldest was 1990 (46°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 25% of December 23rd dates historically, with the wettest December 23rd recording 3.12" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 58° | 62° | 0.1" | — |
| 2024 | 67° | 56° | 61° | — | — |
| 2023 | 66° | 55° | 61° | — | — |
| 2022 | 68° | 47° | 57° | — | — |
| 2021 | 62° | 55° | 59° | 2.01" | — |
| 2020 | 68° | 50° | 59° | — | — |
| 2019 | 62° | 51° | 57° | 3.12" | — |
| 2018 | 66° | 54° | 60° | — | — |
| 2017 | 68° | 44° | 56° | — | — |
| 2016 | 62° | 52° | 57° | 1.78" | — |
| 2015 | 64° | 52° | 58° | — | — |
| 2014 | 81° | 54° | 67° | — | — |
| 2013 | 79° | 46° | 62° | — | — |
| 2012 | 63° | 53° | 58° | — | — |
| 2011 | 74° | 40° | 57° | — | — |
| 2010 | 63° | 52° | 57° | 0.1" | — |
| 2009 | 63° | 39° | 51° | — | — |
| 2008 | 58° | 43° | 50° | 0.03" | — |
| 2007 | 75° | 42° | 59° | — | — |
| 2006 | 71° | 43° | 57° | — | — |
| 2005 | 70° | 54° | 62° | — | — |
| 2004 | 68° | 54° | 61° | — | — |
| 2003 | 59° | 48° | 54° | 0.03" | — |
| 2002 | 62° | 42° | 52° | — | — |
| 2001 | 60° | 45° | 52° | — | — |
| 2000 | 63° | 46° | 54° | 0.03" | — |
| 1999 | 78° | 51° | 65° | — | — |
| 1998 | 61° | 33° | 47° | — | — |
| 1997 | 66° | 41° | 54° | — | — |
| 1996 | 66° | 50° | 58° | — | — |
| 1995 | 60° | 46° | 53° | 1.68" | — |
| 1994warmest | 76° | 60° | 68° | — | — |
| 1993 | 71° | 40° | 55° | — | — |
| 1992 | 76° | 45° | 60° | — | — |
| 1991 | 71° | 49° | 60° | — | — |
| 1990coldest | 60° | 32° | 46° | — | — |
| 1989 | 86° | 45° | 65° | — | — |
| 1988 | 61° | 45° | 53° | 0.46" | — |
| 1987 | 61° | 44° | 52° | — | — |
| 1986 | 65° | 49° | 57° | 0.1" | — |
| 1985 | 69° | 46° | 58° | — | — |
| 1984 | 69° | 40° | 54° | — | — |
| 1983 | 64° | 45° | 54° | — | — |
| 1982 | 61° | 50° | 55° | 1.07" | — |
| 1981 | 70° | 40° | 55° | — | — |
| 1980 | 70° | 46° | 58° | — | — |
| 1979 | 64° | 41° | 53° | — | — |
| 1978 | 66° | 38° | 52° | — | — |
| 1977 | 66° | 57° | 62° | 0.05" | — |
| 1976 | 71° | 44° | 58° | — | — |
| 1975 | 67° | 41° | 54° | — | — |
| 1974 | 60° | 39° | 50° | — | — |
| 1973 | 63° | 44° | 53° | — | — |
| 1972 | 71° | 50° | 61° | — | — |
| 1971 | 64° | 54° | 59° | 0.05" | — |
55 years of data from SANTA ANA JOHN WAYNE AP