Weather on December 11
Costa Mesa, CA
55 Years of Data
Avg High
68°F
Avg Low
48°F
Warmest
2010
68°F avg
Coldest
1972
44°F avg
About This Date
December 11th in Costa Mesa, CA typically brings mild winter weather, with average highs around 68°F and lows near 48°F. Over 55 years of records, the warmest December 11th was in 2010 (68°F average), while the coldest was 1972 (44°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 11th dates historically, with the wettest December 11th recording 4.52" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for December 11th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 52° | 63° | — | — |
| 2024 | 72° | 45° | 58° | — | — |
| 2023 | 71° | 48° | 60° | — | — |
| 2022 | 61° | 50° | 55° | 2.26" | — |
| 2021 | 69° | 45° | 57° | — | — |
| 2020 | 64° | 47° | 55° | — | — |
| 2019 | 69° | 50° | 60° | — | — |
| 2018 | 66° | 52° | 59° | — | — |
| 2017 | 80° | 53° | 67° | — | — |
| 2016 | 65° | 60° | 62° | — | — |
| 2015 | 63° | 52° | 57° | 0.48" | — |
| 2014 | 70° | 62° | 66° | — | — |
| 2013 | 69° | 40° | 54° | — | — |
| 2012 | 69° | 50° | 60° | — | — |
| 2011 | 61° | 48° | 54° | — | — |
| 2010warmest | 79° | 57° | 68° | 0.03" | — |
| 2009 | 59° | 51° | 55° | 0.25" | — |
| 2008 | 73° | 47° | 60° | — | — |
| 2007 | 65° | 48° | 56° | — | — |
| 2006 | 66° | 53° | 60° | 0.03" | — |
| 2005 | 72° | 50° | 61° | — | — |
| 2004 | 77° | 50° | 64° | — | — |
| 2003 | 61° | 46° | 53° | — | — |
| 2002 | 67° | 49° | 58° | 0.03" | — |
| 2001 | 62° | 41° | 52° | — | — |
| 2000 | 62° | 46° | 54° | 0.03" | — |
| 1999 | 72° | 41° | 56° | — | — |
| 1998 | 73° | 41° | 57° | — | — |
| 1997 | 67° | 35° | 51° | — | — |
| 1996 | 63° | 56° | 59° | 4.52" | — |
| 1995 | 64° | 52° | 58° | — | — |
| 1994 | 65° | 49° | 57° | — | — |
| 1993 | 65° | 55° | 60° | 0.97" | — |
| 1992 | 68° | 50° | 59° | 0.74" | — |
| 1991 | 65° | 56° | 60° | 0.69" | — |
| 1990 | 73° | 49° | 61° | — | — |
| 1989 | 67° | 44° | 55° | — | — |
| 1988 | 77° | 45° | 61° | — | — |
| 1987 | 75° | 49° | 62° | — | — |
| 1986 | 69° | 43° | 56° | — | — |
| 1985 | 59° | 47° | 53° | — | — |
| 1984 | 68° | 55° | 62° | 0.13" | — |
| 1983 | 65° | 42° | 53° | — | — |
| 1982 | 70° | 42° | 56° | — | — |
| 1981 | 68° | 53° | 61° | — | — |
| 1980 | 82° | 50° | 66° | — | — |
| 1979 | 69° | 56° | 62° | — | — |
| 1978 | 77° | 45° | 61° | — | — |
| 1977 | 65° | 49° | 57° | — | — |
| 1976 | 79° | 50° | 64° | — | — |
| 1975 | 61° | 53° | 57° | — | — |
| 1974 | 67° | 40° | 53° | — | — |
| 1973 | 80° | 45° | 62° | — | — |
| 1972coldest | 56° | 33° | 44° | — | — |
| 1971 | 60° | 39° | 50° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP