Weather on December 1
Costa Mesa, CA
55 Years of Data
About This Date
December 1st in Costa Mesa, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 49°F. Over 55 years of records, the warmest December 1st was in 1988 (70°F average), while the coldest was 2004 (49°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 1st dates historically, with the wettest December 1st recording 0.56" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for December 1st in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 52° | 59° | — | — |
| 2024 | 73° | 51° | 62° | — | — |
| 2023 | 68° | 51° | 60° | — | — |
| 2022 | 65° | 58° | 61° | — | — |
| 2021 | 75° | 53° | 64° | — | — |
| 2020 | 72° | 47° | 59° | — | — |
| 2019 | 68° | 50° | 59° | — | — |
| 2018 | 66° | 51° | 59° | — | — |
| 2017 | 72° | 51° | 61° | — | — |
| 2016 | 66° | 49° | 57° | — | — |
| 2015 | 68° | 44° | 56° | — | — |
| 2014 | 74° | 58° | 66° | — | — |
| 2013 | 82° | 51° | 67° | — | — |
| 2012 | 69° | 61° | 65° | 0.05" | — |
| 2011 | 69° | 48° | 59° | — | — |
| 2010 | 76° | 45° | 60° | — | — |
| 2009 | 65° | 47° | 56° | — | — |
| 2008 | 65° | 54° | 59° | — | — |
| 2007 | 59° | 49° | 54° | 0.03" | — |
| 2006 | 72° | 43° | 57° | — | — |
| 2005 | 65° | 55° | 60° | — | — |
| 2004coldest | 61° | 37° | 49° | — | — |
| 2003 | 66° | 46° | 56° | — | — |
| 2002 | 67° | 48° | 57° | 0.03" | — |
| 2001 | 65° | 44° | 54° | — | — |
| 2000 | 63° | 51° | 57° | 0.03" | — |
| 1999 | 64° | 50° | 57° | 0.03" | — |
| 1998 | 65° | 48° | 56° | 0.56" | — |
| 1997 | 68° | 50° | 59° | — | — |
| 1996 | 67° | 43° | 55° | — | — |
| 1995 | 75° | 50° | 63° | — | — |
| 1994 | 73° | 45° | 59° | — | — |
| 1993 | 77° | 53° | 65° | — | — |
| 1992 | 74° | 44° | 59° | — | — |
| 1991 | 66° | 42° | 54° | — | — |
| 1990 | 74° | 46° | 60° | — | — |
| 1989 | 76° | 44° | 60° | — | — |
| 1988warmest | 85° | 55° | 70° | — | — |
| 1987 | 69° | 45° | 57° | — | — |
| 1986 | 78° | 46° | 62° | — | — |
| 1985 | 65° | 45° | 55° | — | — |
| 1984 | 71° | 49° | 60° | — | — |
| 1983 | 67° | 57° | 62° | 0.3" | — |
| 1982 | 63° | 50° | 56° | — | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 67° | 55° | 61° | — | — |
| 1979 | 84° | 53° | 69° | — | — |
| 1978 | 69° | 52° | 60° | — | — |
| 1977 | 83° | 53° | 68° | — | — |
| 1976 | 83° | 46° | 64° | — | — |
| 1975 | 77° | 40° | 58° | — | — |
| 1974 | 69° | 47° | 58° | — | — |
| 1973 | 64° | 45° | 54° | 0.2" | — |
| 1972 | 80° | 43° | 61° | — | — |
| 1971 | 71° | 42° | 57° | — | — |
Costa Mesa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Costa Mesa, CA Monthly Precipitation
Average rainfall per month, in inches.
Costa Mesa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Costa Mesa, CA
Most pleasant months in Costa Mesa, CA: June, July.