Weather on June 9
Costa Mesa, CA
55 Years of Data
Avg High
76°F
Avg Low
60°F
Warmest
2020
80°F avg
Coldest
1982
62°F avg
About This Date
June 9th in Costa Mesa, CA typically brings pleasant summer weather, with average highs around 76°F and lows near 60°F. Over 55 years of records, the warmest June 9th was in 2020 (80°F average), while the coldest was 1982 (62°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 9% of June 9th dates historically. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for June 9th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 62° | 66° | — | — |
| 2024 | 73° | 62° | 68° | — | — |
| 2023 | 69° | 63° | 66° | — | — |
| 2022 | 76° | 65° | 70° | — | — |
| 2021 | 76° | 62° | 69° | — | — |
| 2020warmest | 96° | 64° | 80° | — | — |
| 2019 | 81° | 61° | 71° | — | — |
| 2018 | 77° | 61° | 69° | — | — |
| 2017 | 75° | 60° | 68° | — | — |
| 2016 | 69° | 62° | 66° | — | — |
| 2015 | 85° | 65° | 75° | — | — |
| 2014 | 77° | 65° | 71° | — | — |
| 2013 | 70° | 60° | 65° | — | — |
| 2012 | 71° | 61° | 66° | — | — |
| 2011 | 70° | 61° | 65° | — | — |
| 2010 | 73° | 63° | 68° | — | — |
| 2009 | 72° | 61° | 66° | — | — |
| 2008 | 74° | 62° | 68° | — | — |
| 2007 | 68° | 59° | 64° | — | — |
| 2006 | 74° | 64° | 69° | 0.05" | — |
| 2005 | 72° | 61° | 66° | — | — |
| 2004 | 70° | 61° | 65° | — | — |
| 2003 | 66° | 61° | 63° | — | — |
| 2002 | 67° | 58° | 62° | — | — |
| 2001 | 74° | 63° | 68° | — | — |
| 2000 | 73° | 58° | 65° | — | — |
| 1999 | 68° | 59° | 64° | — | — |
| 1998 | 72° | 60° | 66° | — | — |
| 1997 | 79° | 65° | 72° | — | — |
| 1996 | 80° | 62° | 71° | — | — |
| 1995 | 77° | 55° | 66° | — | — |
| 1994 | 84° | 60° | 72° | — | — |
| 1993 | 88° | 60° | 74° | — | — |
| 1992 | 76° | 59° | 67° | — | — |
| 1991 | 74° | 57° | 65° | — | — |
| 1990 | 87° | 65° | 76° | 0.13" | — |
| 1989 | 70° | 60° | 65° | — | — |
| 1988 | 75° | 53° | 64° | — | — |
| 1987 | 74° | 62° | 68° | — | — |
| 1986 | 80° | 60° | 70° | — | — |
| 1985 | 82° | 60° | 71° | — | — |
| 1984 | 79° | 57° | 68° | — | — |
| 1983 | 76° | 60° | 68° | — | — |
| 1982coldest | 71° | 54° | 62° | — | — |
| 1981 | 77° | 63° | 70° | — | — |
| 1980 | 79° | 57° | 68° | — | — |
| 1979 | 102° | 55° | 79° | — | — |
| 1978 | 82° | 64° | 73° | — | — |
| 1977 | 67° | 60° | 63° | 0.05" | — |
| 1976 | — | 55° | — | — | — |
| 1975 | 75° | 51° | 63° | — | — |
| 1974 | 79° | — | — | — | — |
| 1973 | 77° | 59° | 68° | — | — |
| 1972 | 69° | 61° | 65° | 0.1" | — |
| 1971 | 68° | 57° | 63° | 0.08" | — |
55 years of data from SANTA ANA JOHN WAYNE AP