Weather on May 27
Costa Mesa, CA
55 Years of Data
About This Date
May 27th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 58°F. Over 55 years of records, the warmest May 27th was in 1997 (75°F average), while the coldest was 1980 (58°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 27th 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 27th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 63° | 68° | — | — |
| 2024 | 70° | 58° | 64° | — | — |
| 2023 | 69° | 61° | 65° | — | — |
| 2022 | 73° | 63° | 68° | — | — |
| 2021 | 71° | 61° | 66° | — | — |
| 2020 | 77° | 61° | 69° | — | — |
| 2019 | 66° | 53° | 60° | — | — |
| 2018 | 72° | 59° | 65° | — | — |
| 2017 | 70° | 61° | 65° | — | — |
| 2016 | 71° | 59° | 65° | — | — |
| 2015 | 70° | 60° | 65° | — | — |
| 2014 | 80° | 67° | 73° | — | — |
| 2013 | 72° | 58° | 65° | — | — |
| 2012 | 73° | 55° | 64° | — | — |
| 2011 | 74° | 59° | 66° | — | — |
| 2010 | 72° | 60° | 66° | — | — |
| 2009 | 72° | 62° | 67° | — | — |
| 2008 | 70° | 54° | 62° | — | — |
| 2007 | 70° | 60° | 65° | — | — |
| 2006 | 71° | 60° | 66° | — | — |
| 2005 | 70° | 61° | 65° | — | — |
| 2004 | 69° | 57° | 63° | — | — |
| 2003 | 75° | 58° | 66° | — | — |
| 2002 | 70° | 59° | 64° | — | — |
| 2001 | 67° | 61° | 64° | — | — |
| 2000 | 85° | 61° | 73° | — | — |
| 1999 | 71° | 60° | 66° | — | — |
| 1998 | 70° | 50° | 60° | — | — |
| 1997warmest | 87° | 63° | 75° | — | — |
| 1996 | 73° | 59° | 66° | — | — |
| 1995 | 69° | 57° | 63° | — | — |
| 1994 | 76° | 60° | 68° | — | — |
| 1993 | 75° | 57° | 66° | — | — |
| 1992 | 74° | 61° | 67° | — | — |
| 1991 | 69° | 56° | 62° | — | — |
| 1990 | 69° | 54° | 61° | — | — |
| 1989 | 74° | 59° | 66° | — | — |
| 1988 | 72° | 54° | 63° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 76° | 60° | 68° | — | — |
| 1985 | 71° | 59° | 65° | — | — |
| 1984 | 84° | 60° | 72° | — | — |
| 1983 | 81° | 62° | 71° | — | — |
| 1982 | 72° | 59° | 65° | — | — |
| 1981 | 76° | 60° | 68° | 0.15" | — |
| 1980coldest | 67° | 50° | 58° | — | — |
| 1979 | 71° | 60° | 66° | — | — |
| 1978 | 79° | 56° | 67° | — | — |
| 1977 | 73° | 52° | 62° | — | — |
| 1976 | 77° | 55° | 66° | — | — |
| 1975 | 70° | 57° | 63° | — | — |
| 1974 | 83° | 57° | 70° | — | — |
| 1973 | 83° | 54° | 68° | — | — |
| 1972 | 89° | 55° | 72° | — | — |
| 1971 | 67° | 53° | 60° | 0.08" | — |
Costa Mesa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Costa Mesa, CA Monthly Precipitation
Average rainfall per month, in inches.
Costa Mesa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Costa Mesa, CA
Most pleasant months in Costa Mesa, CA: June, July.