2025 Compare Cities Climate:
Irvine, CA vs Costa Mesa, CA

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Highlights
- Costa Mesa has 7.0% less rainy days than Irvine.
- Costa Mesa has 2.5% less Sunny Days than Irvine.
- On the BestPlaces comfort index, Costa Mesa scores 0.0% worse than Irvine
 Irvine, CACosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall0  Unlock28
 Precipitation  Unlock36106
 Sunny281  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low46  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index5.9  Unlock4.3
 Elevation  Unlock982443
Reviews for Irvine    42 Reviews

We've lived in Irvine since '87. We have raised two children within the ISUD. Both are grown up. Sure, there have been many changes since then.. the City has  More

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I've lived in Irvine for 2 years and in Orange County for 10 so I'm pretty familiar with the area by now and all it has to offer. Perhaps my review of this place has  More

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I wouldn't live elsewhere. I originally moved to Irvine in 2002 from the Midwest, not knowing what it even was. I left and moved around a great deal locally in OC,  More

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Reviews for Costa Mesa    8 Reviews

Over 15 years ago

Costa mesa has awesome shopping but is way too crowded and I have had 3 cars stolen in the past 5 years along with countless break-ins and theft. Expensive. Close to  More

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Over 16 years ago

Costa Mesa has a near perfect climate . . . plenty of sun but rarely over 100 degrees (our house doesn't even have AC). Nestled between Newport Beach and Huntington  More

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We have a good amount of low-income, medium-income, and relatively high-income  More

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