Weather on May 1
Costa Mesa, CA
55 Years of Data
Avg High
73°F
Avg Low
56°F
Warmest
2014
81°F avg
Coldest
1999
57°F avg
About This Date
May 1st in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 56°F. Over 55 years of records, the warmest May 1st was in 2014 (81°F average), while the coldest was 1999 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 1st dates historically, with the wettest May 1st recording 0.53" of rain. 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 May 1st in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 59° | 64° | — | — |
| 2024 | 70° | 60° | 65° | — | — |
| 2023 | 66° | 57° | 62° | 0.08" | — |
| 2022 | 71° | 59° | 65° | — | — |
| 2021 | 70° | 59° | 64° | — | — |
| 2020 | 76° | 67° | 71° | — | — |
| 2019 | 69° | 56° | 62° | — | — |
| 2018 | 65° | 55° | 60° | — | — |
| 2017 | 78° | 58° | 68° | — | — |
| 2016 | 69° | 56° | 62° | — | — |
| 2015 | 85° | 61° | 73° | — | — |
| 2014warmest | 99° | 64° | 81° | — | — |
| 2013 | 72° | 60° | 66° | — | — |
| 2012 | 64° | 58° | 61° | 0.03" | — |
| 2011 | 85° | 54° | 69° | — | — |
| 2010 | 68° | 53° | 61° | — | — |
| 2009 | 76° | 57° | 66° | — | — |
| 2008 | 71° | 56° | 63° | — | — |
| 2007 | 70° | 60° | 65° | — | — |
| 2006 | 71° | 60° | 66° | — | — |
| 2005 | 69° | 58° | 63° | — | — |
| 2004 | 84° | 56° | 70° | — | — |
| 2003 | 66° | 52° | 59° | — | — |
| 2002 | 66° | 51° | 59° | — | — |
| 2001 | 68° | 55° | 62° | — | — |
| 2000 | 83° | 58° | 70° | — | — |
| 1999coldest | 66° | 49° | 57° | — | — |
| 1998 | 72° | 55° | 63° | — | — |
| 1997 | 76° | 57° | 66° | — | — |
| 1996 | 84° | 61° | 72° | — | — |
| 1995 | 75° | 59° | 67° | — | — |
| 1994 | 71° | 56° | 63° | — | — |
| 1993 | 83° | 62° | 72° | — | — |
| 1992 | 80° | 60° | 70° | — | — |
| 1991 | 71° | 55° | 63° | — | — |
| 1990 | 72° | 52° | 62° | — | — |
| 1989 | 73° | 56° | 64° | — | — |
| 1988 | 72° | 50° | 61° | — | — |
| 1987 | 71° | 56° | 63° | — | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985 | 76° | 53° | 64° | — | — |
| 1984 | 68° | 49° | 58° | — | — |
| 1983 | 66° | 50° | 58° | 0.53" | — |
| 1982 | 74° | 60° | 67° | — | — |
| 1981 | 73° | 60° | 67° | — | — |
| 1980 | 67° | 57° | 62° | — | — |
| 1979 | 68° | 56° | 62° | — | — |
| 1978 | 69° | 52° | 60° | — | — |
| 1977 | 74° | 58° | 66° | — | — |
| 1976 | 84° | 54° | 69° | — | — |
| 1975 | 69° | 55° | 62° | — | — |
| 1974 | 77° | 55° | 66° | — | — |
| 1973 | 70° | 49° | 59° | — | — |
| 1972 | 75° | 55° | 65° | — | — |
| 1971 | 67° | 52° | 59° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP