Weather on November 21
Costa Mesa, CA
55 Years of Data
About This Date
November 21st in Costa Mesa, CA typically brings pleasant fall weather, with average highs around 72°F and lows near 52°F. Over 55 years of records, the warmest November 21st was in 1997 (74°F average), while the coldest was 1983 (52°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 22% of November 21st dates historically, with the wettest November 21st recording 3.43" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for November 21st in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 55° | 61° | — | — |
| 2024 | 75° | 46° | 61° | — | — |
| 2023 | 85° | 60° | 72° | — | — |
| 2022 | 78° | 50° | 64° | — | — |
| 2021 | 88° | 52° | 70° | — | — |
| 2020 | 73° | 53° | 63° | — | — |
| 2019 | 69° | 55° | 62° | — | — |
| 2018 | 71° | 54° | 62° | 0.03" | — |
| 2017 | 80° | 57° | 69° | — | — |
| 2016 | 66° | 58° | 62° | 0.91" | — |
| 2015 | 87° | 52° | 69° | — | — |
| 2014 | 73° | 59° | 66° | — | — |
| 2013 | 64° | 57° | 61° | 0.38" | — |
| 2012 | 68° | 55° | 62° | — | — |
| 2011 | 63° | 46° | 54° | 0.03" | — |
| 2010 | 66° | 55° | 61° | 0.33" | — |
| 2009 | 65° | 50° | 57° | — | — |
| 2008 | 82° | 52° | 67° | — | — |
| 2007 | 68° | 55° | 62° | — | — |
| 2006 | 70° | 53° | 61° | 0.03" | — |
| 2005 | 83° | 53° | 68° | — | — |
| 2004 | 59° | 45° | 52° | 1.5" | — |
| 2003 | 63° | 56° | 59° | — | — |
| 2002 | 85° | 58° | 71° | — | — |
| 2001 | 68° | 53° | 61° | — | — |
| 2000 | 71° | 53° | 62° | — | — |
| 1999 | 68° | 50° | 59° | — | — |
| 1998 | 79° | 47° | 63° | — | — |
| 1997warmest | 70° | 78° | 74° | — | — |
| 1996 | 66° | 60° | 63° | 3.43" | — |
| 1995 | 73° | 56° | 64° | — | — |
| 1994 | 68° | 40° | 54° | — | — |
| 1993 | 74° | 47° | 60° | — | — |
| 1992 | 72° | 55° | 63° | — | — |
| 1991 | 74° | 50° | 62° | — | — |
| 1990 | 68° | 48° | 58° | — | — |
| 1989 | 76° | 55° | 65° | — | — |
| 1988 | 76° | 46° | 61° | — | — |
| 1987 | 70° | 54° | 62° | — | — |
| 1986 | 69° | 59° | 64° | — | — |
| 1985 | 70° | 49° | 59° | — | — |
| 1984 | 71° | 53° | 62° | 0.2" | — |
| 1983coldest | 63° | 41° | 52° | 0.15" | — |
| 1982 | 67° | 41° | 54° | — | — |
| 1981 | 74° | 47° | 60° | — | — |
| 1980 | 80° | — | — | — | — |
| 1979 | 69° | 39° | 54° | — | — |
| 1978 | 65° | 53° | 59° | 2.16" | — |
| 1977 | 70° | 47° | 58° | — | — |
| 1976 | 72° | 54° | 63° | — | — |
| 1975 | 77° | 42° | 60° | — | — |
| 1974 | 65° | 58° | 61° | — | — |
| 1973 | 64° | 50° | 57° | 0.13" | — |
| 1972 | 73° | 42° | 58° | — | — |
| 1971 | 67° | 44° | 55° | — | — |
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.