Weather on May 30
Costa Mesa, CA
55 Years of Data
Avg High
75°F
Avg Low
59°F
Warmest
1978
77°F avg
Coldest
1991
56°F avg
About This Date
May 30th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 59°F. Over 55 years of records, the warmest May 30th was in 1978 (77°F average), while the coldest was 1991 (56°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 30th 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 May 30th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 64° | 77° | — | — |
| 2024 | 72° | 61° | 66° | — | — |
| 2023 | 66° | 61° | 63° | 0.05" | — |
| 2022 | 74° | 62° | 68° | — | — |
| 2021 | 71° | 61° | 66° | — | — |
| 2020 | 77° | 64° | 71° | — | — |
| 2019 | 69° | 60° | 65° | — | — |
| 2018 | 69° | 60° | 65° | 0.05" | — |
| 2017 | 69° | 60° | 65° | — | — |
| 2016 | 72° | 60° | 66° | — | — |
| 2015 | 72° | 62° | 67° | — | — |
| 2014 | 79° | 64° | 71° | — | — |
| 2013 | 74° | 61° | 67° | — | — |
| 2012 | 72° | 61° | 66° | — | — |
| 2011 | 75° | 51° | 63° | — | — |
| 2010 | 75° | 59° | 67° | — | — |
| 2009 | 67° | 61° | 64° | — | — |
| 2008 | 74° | 56° | 65° | — | — |
| 2007 | 69° | 58° | 63° | — | — |
| 2006 | 80° | 58° | 69° | — | — |
| 2005 | 72° | 59° | 65° | — | — |
| 2004 | 80° | 60° | 70° | — | — |
| 2003 | 72° | 62° | 67° | — | — |
| 2002 | 74° | 60° | 67° | — | — |
| 2001 | 74° | 62° | 68° | — | — |
| 2000 | 73° | 61° | 67° | — | — |
| 1999 | 68° | 59° | 64° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 86° | 66° | 76° | — | — |
| 1996 | 70° | 57° | 63° | — | — |
| 1995 | 80° | 60° | 70° | — | — |
| 1994 | 80° | 61° | 70° | — | — |
| 1993 | 79° | 58° | 68° | — | — |
| 1992 | 80° | 65° | 72° | — | — |
| 1991coldest | 66° | 46° | 56° | — | — |
| 1990 | 72° | 57° | 64° | — | — |
| 1989 | 74° | 56° | 65° | — | — |
| 1988 | 71° | 51° | 61° | — | — |
| 1987 | 75° | 56° | 65° | — | — |
| 1986 | 75° | 61° | 68° | — | — |
| 1985 | 80° | 57° | 69° | — | — |
| 1984 | 82° | 63° | 72° | — | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 72° | 58° | 65° | — | — |
| 1981 | 75° | 62° | 69° | — | — |
| 1980 | 68° | 53° | 61° | — | — |
| 1979 | 73° | 55° | 64° | — | — |
| 1978warmest | 94° | 61° | 77° | — | — |
| 1977 | 76° | 56° | 66° | — | — |
| 1976 | 71° | 59° | 65° | — | — |
| 1975 | 76° | 59° | 67° | — | — |
| 1974 | 72° | 57° | 64° | — | — |
| 1973 | 78° | 60° | 69° | — | — |
| 1972 | 90° | 61° | 75° | — | — |
| 1971 | 66° | 56° | 61° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP