Weather on May 6
Costa Mesa, CA
55 Years of Data
Avg High
73°F
Avg Low
57°F
Warmest
1990
90°F avg
Coldest
1971
57°F avg
About This Date
May 6th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 57°F. Over 55 years of records, the warmest May 6th was in 1990 (90°F average), while the coldest was 1971 (57°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 13% of May 6th dates historically, with the wettest May 6th recording 0.53" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for May 6th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 59° | 63° | — | — |
| 2024 | 71° | 54° | 62° | — | — |
| 2023 | 68° | 53° | 61° | — | — |
| 2022 | 73° | 59° | 66° | — | — |
| 2021 | 71° | 62° | 67° | — | — |
| 2020 | 92° | 65° | 78° | — | — |
| 2019 | 69° | 59° | 64° | — | — |
| 2018 | 73° | 58° | 65° | — | — |
| 2017 | 69° | 56° | 62° | — | — |
| 2016 | 67° | 58° | 62° | 0.15" | — |
| 2015 | 68° | 57° | 63° | — | — |
| 2014 | 68° | 59° | 64° | — | — |
| 2013 | 69° | 58° | 63° | 0.51" | — |
| 2012 | 69° | 58° | 63° | — | — |
| 2011 | 69° | 59° | 64° | — | — |
| 2010 | 70° | 60° | 65° | — | — |
| 2009 | 77° | 60° | 69° | — | — |
| 2008 | 64° | 58° | 61° | — | — |
| 2007 | 90° | 60° | 75° | — | — |
| 2006 | 68° | 59° | 64° | — | — |
| 2005 | 68° | 58° | 63° | 0.53" | — |
| 2004 | 88° | 60° | 74° | — | — |
| 2003 | 68° | 56° | 62° | — | — |
| 2002 | 67° | 56° | 61° | — | — |
| 2001 | 77° | 55° | 66° | — | — |
| 2000 | 71° | 59° | 65° | — | — |
| 1999 | 74° | 54° | 64° | — | — |
| 1998 | 73° | 58° | 65° | 0.2" | — |
| 1997 | 82° | 60° | 71° | — | — |
| 1996 | 80° | 58° | 69° | — | — |
| 1995 | 63° | 53° | 58° | — | — |
| 1994 | 68° | 55° | 62° | 0.08" | — |
| 1993 | 74° | 59° | 66° | — | — |
| 1992 | 78° | 64° | 71° | — | — |
| 1991 | 90° | 59° | 74° | — | — |
| 1990warmest | 95° | 84° | 90° | — | — |
| 1989 | 76° | 59° | 67° | — | — |
| 1988 | 64° | 51° | 58° | — | — |
| 1987 | 83° | 62° | 72° | — | — |
| 1986 | 68° | 52° | 60° | — | — |
| 1985 | 70° | 58° | 64° | — | — |
| 1984 | 75° | 52° | 63° | — | — |
| 1983 | 69° | 51° | 60° | — | — |
| 1982 | 76° | 59° | 67° | — | — |
| 1981 | 72° | 56° | 64° | — | — |
| 1980 | 72° | 57° | 64° | — | — |
| 1979 | 69° | 56° | 62° | — | — |
| 1978 | 77° | 53° | 65° | — | — |
| 1977 | 68° | 53° | 61° | — | — |
| 1976 | 64° | 56° | 60° | — | — |
| 1975 | 68° | 46° | 57° | — | — |
| 1974 | 72° | 56° | 64° | 0.48" | — |
| 1973 | 68° | 49° | 58° | — | — |
| 1972 | 68° | 57° | 63° | — | — |
| 1971coldest | 63° | 52° | 57° | 0.25" | — |
55 years of data from SANTA ANA JOHN WAYNE AP