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July is a good time to visit Costa Mesa. The weather is usually pleasantly warm, humid but cool, with temperatures ranging from 64—80°F (18—27°C).
Costa Mesa has plenty to offer for visitors of all ages and interests. In this article, we tell you the top things to see and do for your July trip to Costa Mesa. Get inspired by the events, activities, attractions, and experiences unique to July. We’ll let you know where to explore events based on your interests, whether that’s food, culture, art, music, sport or others.
We’ll let you know everything you need to prepare for the weather in Costa Mesa in July. Learn about what to wear and pack for your trip, the average temperatures throughout July, temperature changes from morning to evening and much more.
Visiting Costa Mesa? See our Costa Mesa Trip Planner.The average temperature in Costa Mesa in July for a typical day ranges from a high of 80°F (27°C) to a low of 64°F (18°C). Some would describe it as pleasantly warm, humid but cool.
For comparison, the hottest month in Costa Mesa, August, has days with highs of 82°F (28°C) and lows of 65°F (19°C). The coldest month, February has days with highs of 65°F (18°C) and lows of 51°F (10°C). This graph shows how an average day looks like in Costa Mesa in July based on historical data.
Visiting Costa Mesa? See our Costa Mesa Trip Planner.
It depends on when you visit! We've compiled data from NASA on what the weather is like in Costa Mesa for each month of the year: see the links below for more information.
Get inspired for your trip to Costa Mesa with our curated itineraries that are jam-packed with popular attractions everyday! Check them out here: