2025 Compare Cities Climate:
Sammamish, WA vs Costa Mesa, CA

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Highlights
- Costa Mesa has 77.2% less rainy days than Sammamish.
- Costa Mesa has 76.8% more Sunny Days than Sammamish.
- On the BestPlaces comfort index, Costa Mesa scores 31.0% better than Sammamish
 Sammamish, WACosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall6  Unlock28
 Precipitation  Unlock36106
 Sunny155  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low35  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index2.6  Unlock4.3
 Elevation  Unlock982443
Reviews for Sammamish    4 Reviews

Over 10 years ago

Seattle has beautiful greenery and gorgeous mountain views. It is quite dark and gloomy for much of the late fall into spring...or July 5th as locals know quite well. I  More

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Housing seems to be very overpriced, however after all things considered, it is well worth it. (Family of  More

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Sammamish is honestly a wonderful place to live. It's perfect for a family who wants a comfortable entertaining suburban life. The schools are pretty great, as I can say  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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