Weather on June 1
Costa Mesa, CA
55 Years of Data
Avg High
74°F
Avg Low
60°F
Warmest
2025
75°F avg
Coldest
1971
59°F avg
About This Date
June 1st in Costa Mesa, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 60°F. Over 55 years of records, the warmest June 1st was in 2025 (75°F average), while the coldest was 1971 (59°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 5% of June 1st dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for June 1st in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 87° | 63° | 75° | — | — |
| 2024 | 71° | 61° | 66° | — | — |
| 2023 | 68° | 59° | 64° | — | — |
| 2022 | 75° | 62° | 69° | — | — |
| 2021 | 73° | 63° | 68° | — | — |
| 2020 | 82° | 63° | 72° | — | — |
| 2019 | 66° | 60° | 63° | — | — |
| 2018 | 73° | 57° | 65° | — | — |
| 2017 | 72° | 61° | 66° | — | — |
| 2016 | 71° | 61° | 66° | — | — |
| 2015 | 73° | 61° | 67° | — | — |
| 2014 | 78° | 63° | 70° | — | — |
| 2013 | 77° | 64° | 71° | — | — |
| 2012 | 71° | 62° | 67° | — | — |
| 2011 | 70° | 55° | 62° | — | — |
| 2010 | 70° | 62° | 66° | — | — |
| 2009 | 73° | 60° | 67° | 0.08" | — |
| 2008 | 72° | 58° | 65° | — | — |
| 2007 | 70° | 59° | 64° | — | — |
| 2006 | 77° | 62° | 70° | — | — |
| 2005 | 70° | 62° | 66° | — | — |
| 2004 | 75° | 61° | 68° | — | — |
| 2003 | 72° | 60° | 66° | — | — |
| 2002 | 71° | 61° | 66° | — | — |
| 2001 | 71° | 62° | 67° | — | — |
| 2000 | 74° | 62° | 68° | — | — |
| 1999 | 68° | 56° | 62° | 0.03" | — |
| 1998 | 76° | 56° | 66° | — | — |
| 1997 | 82° | 67° | 74° | — | — |
| 1996 | 85° | 58° | 71° | — | — |
| 1995 | 67° | 58° | 62° | — | — |
| 1994 | 81° | 57° | 69° | — | — |
| 1993 | 72° | 61° | 66° | — | — |
| 1992 | 78° | 62° | 70° | — | — |
| 1991 | 69° | 56° | 62° | — | — |
| 1990 | 73° | 55° | 64° | — | — |
| 1989 | 76° | 59° | 67° | — | — |
| 1988 | 80° | 55° | 68° | — | — |
| 1987 | 83° | 56° | 69° | — | — |
| 1986 | 74° | 61° | 67° | — | — |
| 1985 | 70° | 55° | 62° | — | — |
| 1984 | 75° | 61° | 68° | — | — |
| 1983 | 70° | 60° | 65° | — | — |
| 1982 | 72° | 54° | 63° | — | — |
| 1981 | 73° | 61° | 67° | 0.05" | — |
| 1980 | 69° | 56° | 62° | — | — |
| 1979 | 74° | 61° | 67° | — | — |
| 1978 | 73° | 60° | 67° | — | — |
| 1977 | 75° | 59° | 67° | — | — |
| 1976 | 78° | 57° | 68° | — | — |
| 1975 | 74° | 58° | 66° | — | — |
| 1974 | 74° | 57° | 65° | — | — |
| 1973 | 72° | 60° | 66° | — | — |
| 1972 | 83° | 64° | 73° | — | — |
| 1971coldest | 68° | 50° | 59° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP