Weather on May 23
Costa Mesa, CA
55 Years of Data
About This Date
May 23rd in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 59°F. Over 56 years of records, the warmest May 23rd was in 1983 (73°F average), while the coldest was 2008 (59°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 23rd dates historically. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for May 23rd in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 62° | 67° | — | — |
| 2025 | 71° | 60° | 66° | — | — |
| 2024 | 67° | 60° | 63° | — | — |
| 2023 | 65° | 61° | 63° | — | — |
| 2022 | 69° | 60° | 65° | — | — |
| 2021 | 72° | 56° | 64° | — | — |
| 2020 | 73° | 63° | 68° | — | — |
| 2019 | 65° | 56° | 60° | — | — |
| 2018 | 69° | 60° | 65° | — | — |
| 2017 | 79° | 60° | 69° | — | — |
| 2016 | 68° | 57° | 63° | — | — |
| 2015 | 69° | 59° | 64° | — | — |
| 2014 | 73° | 64° | 69° | — | — |
| 2013 | 71° | 59° | 65° | — | — |
| 2012 | 73° | 62° | 68° | — | — |
| 2011 | 71° | 58° | 64° | — | — |
| 2010 | 66° | 56° | 61° | — | — |
| 2009 | 70° | 59° | 64° | — | — |
| 2008coldest | 64° | 54° | 59° | 0.08" | — |
| 2007 | 71° | 59° | 65° | — | — |
| 2006 | 74° | 58° | 66° | — | — |
| 2005 | 73° | 62° | 68° | — | — |
| 2004 | 70° | 61° | 65° | — | — |
| 2003 | 68° | 58° | 63° | — | — |
| 2002 | 71° | 55° | 63° | — | — |
| 2001 | 76° | 60° | 68° | — | — |
| 2000 | 71° | 60° | 66° | — | — |
| 1999 | 68° | 57° | 63° | 0.05" | — |
| 1998 | 73° | 62° | 68° | — | — |
| 1997 | 79° | 61° | 70° | — | — |
| 1996 | 73° | 58° | 65° | — | — |
| 1995 | 64° | 55° | 60° | — | — |
| 1994 | 74° | 56° | 65° | — | — |
| 1993 | 69° | 62° | 66° | — | — |
| 1992 | 75° | 63° | 69° | — | — |
| 1991 | 73° | 54° | 63° | — | — |
| 1990 | 79° | 58° | 68° | — | — |
| 1989 | 78° | 55° | 67° | — | — |
| 1988 | 78° | 59° | 69° | — | — |
| 1987 | 72° | 56° | 64° | — | — |
| 1986 | 75° | 57° | 66° | — | — |
| 1985 | 78° | 61° | 69° | — | — |
| 1984 | 80° | 64° | 72° | — | — |
| 1983warmest | 77° | 70° | 73° | — | — |
| 1982 | 76° | 60° | 68° | — | — |
| 1981 | 75° | 58° | 66° | — | — |
| 1980 | 66° | 56° | 61° | — | — |
| 1979 | 79° | 60° | 69° | — | — |
| 1978 | 72° | 59° | 65° | — | — |
| 1977 | 64° | 57° | 61° | 0.05" | — |
| 1976 | 73° | 55° | 64° | — | — |
| 1975 | 74° | 51° | 62° | — | — |
| 1974 | 78° | 54° | 66° | — | — |
| 1973 | 73° | 54° | 63° | — | — |
| 1972 | 73° | 56° | 64° | — | — |
| 1971 | 71° | 51° | 61° | — | — |
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.