Costa Mesa Weather in July
Costa Mesa in July averages 26°C (79°F) during the day and 19°C (66°F) at night. Minimal rainfall is typical for this time of year.
Rainfall in Costa Mesa in July
You can typically expect a single day of rain this month, averaging around 2.3 mm (0.1 in). Any rain that does arrive is likely to be light drizzle rather than a proper shower.
Temperature in Costa Mesa in July
The perfect temperature in Costa Mesa in July makes it a solid month to visit, with 26°C (79°F) during the day and 19°C (66°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 19°C (66°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 July
The city usually sees around 369 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July, August, September, October and November typically offer the best weather for 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 July
Min Temperature
19°C (66°F)
Max Temperature
26°C (79°F)
Chance of Rain
3%
Precipitation
2.3 mm (0.1 in)
Rainy days
a single day
Sunshine
369 hours *
Percentage Sunshine
*
Best Places in the United States of America in July
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 July →
perfect weather
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What to Wear in Costa Mesa in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Costa Mesa in July
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.
