Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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 excellent 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.
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
*
* Data from: Corona, the United States of America (39 KM, 24 Miles).
Costa Mesa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Costa Mesa - and find the best time to visit.
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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
-
Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Costa Mesa 3-Day Forecast
More climate data for Costa Mesa
See the full Costa Mesa climate overview or explore weather in the United States of America.
Popular in July
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.