Weather on December 23
Costa Mesa, CA
55 Years of Data
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.
| 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" | — |
Costa Mesa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Costa Mesa, CA Monthly Precipitation
Average rainfall per month, in inches.
Costa Mesa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Costa Mesa, CA
Most pleasant months in Costa Mesa, CA: June, July.