Weather on December 14
Costa Mesa, CA
55 Years of Data
Avg High
68°F
Avg Low
46°F
Warmest
1991
63°F avg
Coldest
1971
48°F avg
About This Date
December 14th in Costa Mesa, CA typically brings mild winter weather, with average highs around 68°F and lows near 46°F. Over 55 years of records, the warmest December 14th was in 1991 (63°F average), while the coldest was 1971 (48°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 16% of December 14th dates historically, with the wettest December 14th recording 3.63" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for December 14th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 53° | 59° | — | — |
| 2024 | 66° | 49° | 57° | — | — |
| 2023 | 76° | 49° | 62° | — | — |
| 2022 | 66° | 45° | 55° | — | — |
| 2021 | 62° | 48° | 55° | 3.63" | — |
| 2020 | 66° | 50° | 58° | — | — |
| 2019 | 67° | 59° | 63° | — | — |
| 2018 | 66° | 51° | 59° | — | — |
| 2017 | 74° | 45° | 59° | — | — |
| 2016 | 69° | 51° | 60° | — | — |
| 2015 | 60° | 44° | 52° | — | — |
| 2014 | 67° | 50° | 58° | — | — |
| 2013 | 76° | 43° | 59° | — | — |
| 2012 | 60° | 46° | 53° | 0.13" | — |
| 2011 | 63° | 48° | 55° | — | — |
| 2010 | 65° | 55° | 60° | — | — |
| 2009 | 61° | 48° | 54° | 0.03" | — |
| 2008 | 57° | 42° | 50° | — | — |
| 2007 | 62° | 41° | 52° | — | — |
| 2006 | 73° | 51° | 62° | — | — |
| 2005 | 65° | 45° | 55° | 0.03" | — |
| 2004 | 75° | 47° | 61° | 0.03" | — |
| 2003 | 61° | 43° | 52° | 0.23" | — |
| 2002 | 64° | 50° | 57° | — | — |
| 2001 | 54° | 43° | 48° | 0.46" | — |
| 2000 | 62° | 48° | 55° | — | — |
| 1999 | 70° | 43° | 56° | — | — |
| 1998 | 79° | 46° | 62° | — | — |
| 1997 | 72° | 42° | 57° | — | — |
| 1996 | 78° | 48° | 63° | — | — |
| 1995 | 69° | 49° | 59° | 0.05" | — |
| 1994 | 65° | 47° | 56° | — | — |
| 1993 | 65° | 46° | 55° | 0.28" | — |
| 1992 | 67° | 50° | 58° | — | — |
| 1991warmest | 82° | 44° | 63° | — | — |
| 1990 | 68° | 42° | 55° | — | — |
| 1989 | 74° | 43° | 58° | — | — |
| 1988 | 70° | 50° | 60° | — | — |
| 1987 | 60° | 42° | 51° | — | — |
| 1986 | 68° | 48° | 58° | — | — |
| 1985 | 67° | 39° | 53° | — | — |
| 1984 | 65° | 48° | 56° | — | — |
| 1983 | 73° | 45° | 59° | — | — |
| 1982 | 69° | 41° | 55° | — | — |
| 1981 | 75° | 46° | 61° | — | — |
| 1980 | 75° | 41° | 58° | — | — |
| 1979 | 75° | 42° | 59° | — | — |
| 1978 | 71° | 49° | 60° | — | — |
| 1977 | 76° | 46° | 61° | — | — |
| 1976 | 80° | 44° | 62° | — | — |
| 1975 | 63° | 40° | 51° | — | — |
| 1974 | 74° | 46° | 60° | — | — |
| 1973 | 64° | 52° | 58° | — | — |
| 1972 | 66° | 36° | 51° | — | — |
| 1971coldest | 60° | 36° | 48° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP