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

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Highlights
- Costa Mesa has 56.0% less rainy days than Napa.
- Costa Mesa has 5.4% more Sunny Days than Napa.
- On the BestPlaces comfort index, Costa Mesa scores 10.7% better than Napa
 Napa, CACosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall0  Unlock28
 Precipitation  Unlock36106
 Sunny260  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low38  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index5.4  Unlock4.3
 Elevation  Unlock982443
Reviews for Napa    19 Reviews

I have lived in Napa for 20 years. In that time, Napa has changed dramatically. Today, Napa is very much a Hispanic community. Many Latinos don't or won't speak English  More

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My longtime Napa home burned to smithereens in 2017. That same night, a crazy stalker set her sights on me. Two nights after the fire, she showed up at my rescue house  More

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Napa is a very easy place to live, especially for those contemplating retirement. The pace of life is peaceful. The weather is superb -- never miserably cold or hot but  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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