Weather on December 8
Costa Mesa, CA
55 Years of Data
Avg High
69°F
Avg Low
48°F
Warmest
2020
73°F avg
Coldest
2009
45°F avg
About This Date
December 8th in Costa Mesa, CA typically brings mild winter weather, with average highs around 69°F and lows near 48°F. Over 55 years of records, the warmest December 8th was in 2020 (73°F average), while the coldest was 2009 (45°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 8th dates historically, with the wettest December 8th recording 1.65" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for December 8th 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 | 75° | 50° | 63° | — | — |
| 2024 | 66° | 47° | 56° | — | — |
| 2023 | 67° | 51° | 59° | — | — |
| 2022 | 65° | 47° | 56° | — | — |
| 2021 | 72° | 52° | 62° | — | — |
| 2020warmest | 87° | 59° | 73° | — | — |
| 2019 | 68° | 58° | 63° | 0.05" | — |
| 2018 | 67° | 49° | 58° | — | — |
| 2017 | 80° | 49° | 64° | — | — |
| 2016 | 65° | 50° | 57° | — | — |
| 2015 | 76° | 50° | 63° | — | — |
| 2014 | 78° | 59° | 69° | — | — |
| 2013 | 57° | 40° | 48° | — | — |
| 2012 | 68° | 54° | 61° | — | — |
| 2011 | 65° | 42° | 53° | — | — |
| 2010 | 72° | 50° | 61° | 0.03" | — |
| 2009coldest | 54° | 37° | 45° | — | — |
| 2008 | 66° | 54° | 60° | — | — |
| 2007 | 58° | 47° | 52° | 0.25" | — |
| 2006 | 77° | 46° | 62° | — | — |
| 2005 | 65° | 46° | 55° | — | — |
| 2004 | 62° | 52° | 57° | 0.13" | — |
| 2003 | 63° | 48° | 55° | — | — |
| 2002 | 72° | 47° | 59° | 0.03" | — |
| 2001 | 80° | 50° | 65° | — | — |
| 2000 | 64° | 58° | 61° | 0.03" | — |
| 1999 | 69° | 44° | 57° | — | — |
| 1998 | 67° | 39° | 53° | — | — |
| 1997 | 63° | 59° | 61° | 0.46" | — |
| 1996 | 73° | 47° | 60° | — | — |
| 1995 | 72° | 50° | 61° | — | — |
| 1994 | 66° | 39° | 53° | — | — |
| 1993 | 68° | 46° | 57° | — | — |
| 1992 | 62° | 42° | 52° | 0.23" | — |
| 1991 | 58° | 50° | 54° | 0.36" | — |
| 1990 | 83° | 46° | 64° | — | — |
| 1989 | 81° | 49° | 65° | — | — |
| 1988 | 73° | 71° | 72° | — | — |
| 1987 | 69° | 46° | 58° | — | — |
| 1986 | 68° | 45° | 56° | — | — |
| 1985 | 67° | 50° | 58° | — | — |
| 1984 | 67° | 54° | 60° | 1.65" | — |
| 1983 | 75° | 44° | 60° | — | — |
| 1982 | 61° | 51° | 56° | — | — |
| 1981 | 79° | 48° | 63° | — | — |
| 1980 | 66° | 47° | 56° | 0.1" | — |
| 1979 | 80° | 50° | 65° | — | — |
| 1978 | 58° | 42° | 50° | — | — |
| 1977 | 69° | 52° | 60° | — | — |
| 1976 | 76° | 42° | 59° | — | — |
| 1975 | 80° | 45° | 62° | — | — |
| 1974 | 73° | 36° | 54° | — | — |
| 1973 | 78° | 45° | 61° | — | — |
| 1972 | 57° | 45° | 51° | 1.37" | — |
| 1971 | 61° | 41° | 51° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP