Weather on June 23
Costa Mesa, CA
55 Years of Data
Avg High
78°F
Avg Low
62°F
Warmest
1978
78°F avg
Coldest
1975
66°F avg
About This Date
June 23rd in Costa Mesa, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 62°F. Over 55 years of records, the warmest June 23rd was in 1978 (78°F average), while the coldest was 1975 (66°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 23rd dates historically. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for June 23rd in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 62° | 68° | — | — |
| 2024 | 88° | 67° | 77° | — | — |
| 2023 | 74° | 61° | 67° | — | — |
| 2022 | 85° | 67° | 76° | — | — |
| 2021 | 79° | 65° | 72° | — | — |
| 2020 | 76° | 64° | 70° | — | — |
| 2019 | 74° | 63° | 68° | — | — |
| 2018 | 71° | 64° | 68° | — | — |
| 2017 | 75° | 63° | 69° | — | — |
| 2016 | 79° | 65° | 72° | — | — |
| 2015 | 78° | 62° | 70° | — | — |
| 2014 | 76° | 67° | 71° | — | — |
| 2013 | 72° | 63° | 67° | — | — |
| 2012 | 75° | 61° | 68° | — | — |
| 2011 | 72° | 62° | 67° | — | — |
| 2010 | 75° | 63° | 69° | — | — |
| 2009 | 74° | 63° | 68° | — | — |
| 2008 | 82° | 66° | 74° | — | — |
| 2007 | 72° | 62° | 67° | — | — |
| 2006 | 78° | 64° | 71° | — | — |
| 2005 | 74° | 62° | 68° | — | — |
| 2004 | 74° | 64° | 69° | — | — |
| 2003 | 71° | 60° | 66° | 0.03" | — |
| 2002 | 74° | 61° | 67° | — | — |
| 2001 | 83° | 62° | 72° | — | — |
| 2000 | 74° | 66° | 70° | — | — |
| 1999 | 76° | 58° | 67° | — | — |
| 1998 | 77° | 62° | 70° | — | — |
| 1997 | 76° | 63° | 69° | — | — |
| 1996 | 73° | 61° | 67° | — | — |
| 1995 | 77° | 61° | 69° | — | — |
| 1994 | 87° | 62° | 75° | — | — |
| 1993 | 83° | 62° | 72° | — | — |
| 1992 | 90° | 64° | 77° | — | — |
| 1991 | 74° | 58° | 66° | — | — |
| 1990 | 82° | 59° | 71° | — | — |
| 1989 | 72° | 61° | 66° | — | — |
| 1988 | 73° | 59° | 66° | — | — |
| 1987 | 75° | 62° | 69° | — | — |
| 1986 | 75° | 60° | 68° | — | — |
| 1985 | 78° | 60° | 69° | — | — |
| 1984 | 86° | 59° | 73° | — | — |
| 1983 | 79° | 61° | 70° | — | — |
| 1982 | 70° | 62° | 66° | — | — |
| 1981 | 87° | 65° | 76° | — | — |
| 1980 | 78° | 58° | 68° | — | — |
| 1979 | 78° | 59° | 69° | — | — |
| 1978warmest | 91° | 64° | 78° | — | — |
| 1977 | 77° | 62° | 70° | — | — |
| 1976 | 89° | 60° | 75° | — | — |
| 1975coldest | 75° | 57° | 66° | — | — |
| 1974 | 84° | 58° | 71° | — | — |
| 1973 | 91° | 60° | 76° | — | — |
| 1972 | 72° | 62° | 67° | — | — |
| 1971 | 80° | 59° | 70° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP