Weather on December 4
Costa Mesa, CA
55 Years of Data
Avg High
70°F
Avg Low
48°F
Warmest
1979
69°F avg
Coldest
1973
51°F avg
About This Date
December 4th in Costa Mesa, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 48°F. Over 55 years of records, the warmest December 4th was in 1979 (69°F average), while the coldest was 1973 (51°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 4th dates historically, with the wettest December 4th recording 6.99" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for December 4th 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 | 73° | 53° | 63° | — | — |
| 2024 | 66° | 52° | 59° | — | — |
| 2023 | 74° | 52° | 63° | — | — |
| 2022 | 70° | 54° | 62° | 0.05" | — |
| 2021 | 66° | 53° | 60° | — | — |
| 2020 | 76° | 42° | 59° | — | — |
| 2019 | 64° | 57° | 61° | 2.01" | — |
| 2018 | 72° | 48° | 60° | — | — |
| 2017 | 73° | 51° | 62° | — | — |
| 2016 | 68° | 44° | 56° | — | — |
| 2015 | 66° | 49° | 57° | — | — |
| 2014 | 72° | 62° | 67° | 0.1" | — |
| 2013 | 62° | 48° | 55° | — | — |
| 2012 | 72° | 58° | 65° | — | — |
| 2011 | 64° | 41° | 53° | — | — |
| 2010 | 67° | 52° | 59° | — | — |
| 2009 | 69° | 44° | 57° | — | — |
| 2008 | 66° | 55° | 61° | — | — |
| 2007 | 73° | 44° | 59° | — | — |
| 2006 | 76° | 42° | 59° | — | — |
| 2005 | 72° | 49° | 60° | — | — |
| 2004 | 60° | 41° | 51° | — | — |
| 2003 | 65° | 50° | 57° | — | — |
| 2002 | 67° | 48° | 57° | — | — |
| 2001 | 63° | 45° | 54° | — | — |
| 2000 | 75° | 47° | 61° | — | — |
| 1999 | 71° | 47° | 59° | — | — |
| 1998 | 62° | 48° | 55° | 0.15" | — |
| 1997 | 72° | 50° | 61° | — | — |
| 1996 | 70° | 44° | 57° | — | — |
| 1995 | 74° | 49° | 61° | — | — |
| 1994 | 64° | 47° | 55° | — | — |
| 1993 | 76° | 50° | 63° | — | — |
| 1992 | 63° | 51° | 57° | — | — |
| 1991 | 74° | 47° | 60° | — | — |
| 1990 | 80° | 46° | 63° | — | — |
| 1989 | 80° | 46° | 63° | — | — |
| 1988 | 79° | 47° | 63° | — | — |
| 1987 | 65° | 53° | 59° | 0.1" | — |
| 1986 | 71° | 53° | 62° | — | — |
| 1985 | 75° | 48° | 62° | 0.03" | — |
| 1984 | 66° | 43° | 54° | — | — |
| 1983 | 64° | 42° | 53° | — | — |
| 1982 | 72° | 44° | 58° | — | — |
| 1981 | 74° | 48° | 61° | — | — |
| 1980 | 61° | 52° | 56° | 2.16" | — |
| 1979warmest | 92° | 46° | 69° | — | — |
| 1978 | 68° | 42° | 55° | — | — |
| 1977 | 72° | 47° | 59° | — | — |
| 1976 | 83° | 46° | 64° | — | — |
| 1975 | 63° | 50° | 56° | — | — |
| 1974 | 62° | 50° | 56° | 6.99" | — |
| 1973coldest | 63° | 40° | 51° | — | — |
| 1972 | 62° | 51° | 57° | 2.26" | — |
| 1971 | 65° | 41° | 53° | 0.56" | — |
55 years of data from SANTA ANA JOHN WAYNE AP