Weather on December 16
Costa Mesa, CA
55 Years of Data
Avg High
70°F
Avg Low
47°F
Warmest
2004
71°F avg
Coldest
1987
51°F avg
About This Date
December 16th in Costa Mesa, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 47°F. Over 55 years of records, the warmest December 16th was in 2004 (71°F average), while the coldest was 1987 (51°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 16th dates historically, with the wettest December 16th recording 2.87" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for December 16th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 53° | 60° | — | — |
| 2024 | 69° | 47° | 58° | — | — |
| 2023 | 79° | 50° | 64° | — | — |
| 2022 | 71° | 49° | 60° | — | — |
| 2021 | 60° | 42° | 51° | 0.18" | — |
| 2020 | 70° | 46° | 58° | — | — |
| 2019 | 71° | 46° | 59° | — | — |
| 2018 | 67° | 47° | 57° | — | — |
| 2017 | 68° | 52° | 60° | — | — |
| 2016 | 64° | 52° | 58° | 1.75" | — |
| 2015 | 62° | 45° | 53° | — | — |
| 2014 | 66° | 58° | 62° | — | — |
| 2013 | 79° | 50° | 64° | — | — |
| 2012 | 59° | 54° | 56° | — | — |
| 2011 | 70° | 46° | 58° | — | — |
| 2010 | 62° | 53° | 58° | 0.25" | — |
| 2009 | 70° | 46° | 58° | — | — |
| 2008 | 59° | 46° | 53° | 0.05" | — |
| 2007 | 65° | 42° | 53° | — | — |
| 2006 | 62° | 49° | 55° | 0.3" | — |
| 2005 | 63° | 48° | 55° | — | — |
| 2004warmest | 77° | 65° | 71° | — | — |
| 2003 | 73° | 41° | 57° | — | — |
| 2002 | 65° | 53° | 59° | 2.49" | — |
| 2001 | 64° | 38° | 51° | — | — |
| 2000 | 77° | 46° | 62° | — | — |
| 1999 | 79° | 46° | 62° | — | — |
| 1998 | 86° | — | — | — | — |
| 1997 | 77° | 49° | 63° | — | — |
| 1996 | 77° | 46° | 62° | — | — |
| 1995 | 65° | 50° | 57° | — | — |
| 1994 | 73° | 43° | 58° | — | — |
| 1993 | 64° | 43° | 53° | — | — |
| 1992 | 65° | 44° | 54° | — | — |
| 1991 | 79° | 49° | 64° | — | — |
| 1990 | 63° | 42° | 52° | — | — |
| 1989 | 69° | 48° | 59° | — | — |
| 1988 | 58° | 50° | 54° | 2.87" | — |
| 1987coldest | 56° | 46° | 51° | 0.81" | — |
| 1986 | 71° | 64° | 68° | — | — |
| 1985 | 82° | 50° | 66° | — | — |
| 1984 | 60° | 45° | 52° | — | — |
| 1983 | 66° | 48° | 57° | — | — |
| 1982 | 75° | 39° | 57° | — | — |
| 1981 | 73° | 46° | 60° | — | — |
| 1980 | 89° | 52° | 70° | — | — |
| 1979 | 74° | 42° | 58° | — | — |
| 1978 | 66° | 42° | 54° | — | — |
| 1977 | 69° | 48° | 59° | — | — |
| 1976 | 83° | 46° | 64° | — | — |
| 1975 | 70° | 39° | 54° | — | — |
| 1974 | 82° | 46° | 64° | — | — |
| 1973 | 73° | 44° | 59° | — | — |
| 1972 | 75° | 40° | 57° | — | — |
| 1971 | 68° | 37° | 53° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP