Costa Mesa Weather in May
With daytime temperatures of 22°C (72°F) and nighttime lows of 15°C (59°F), May in Costa Mesa brings high temperatures during the day. The perfect weather makes it an appealing time to visit.
Rainfall in Costa Mesa in May
Records from the past 30 years suggest around 2 days of rain, with 7.1 mm (0.3 in) average for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Costa Mesa in May
If you're visiting Costa Mesa in May, expect perfect temperatures with highs of 22°C (72°F) and overnight lows of 15°C (59°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Costa Mesa in May
Enjoy a sunny month with about 311 hours of sunshine, the clear skies make Costa Mesa even more beautiful.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Costa Mesa.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Costa Mesa's climate page.
Costa Mesa Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
22°C (72°F)
Chance of Rain
7%
Precipitation
7.1 mm (0.3 in)
Rainy days
2 days
Sunshine
311 hours *
Percentage Sunshine
*
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
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What to Wear in Costa Mesa in May
For Costa Mesa in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Costa Mesa in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Costa Mesa's climate page.
See the full Costa Mesa climate overview or explore weather in the United States of America.
