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

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Highlights
- Walnut has 35.0% more rainy days than Costa Mesa.
- Walnut has 4.0% more Sunny Days than Costa Mesa.
- On the BestPlaces comfort index, Walnut scores 2.2% worse than Costa Mesa
 Costa Mesa, CAWalnut, CAUnited States
 Rainfall  Unlock1638
 Snowfall0  Unlock28
 Precipitation  Unlock33106
 Sunny274  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low48  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index5.9  Unlock4.3
 Elevation  Unlock5612443
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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Reviews for Walnut    3 Reviews

Over 5 years ago

Lived here for nearly seven years ...First - This is  More

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Over 17 years ago

Nice place to raise family. Excellent Schools and great  More

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Over 19 years ago

It is way too expensive here! A one bedroom apartment is about 1200 / month here and houses average $500,000 for a "fixer upper". Great schooll district and very nice  More

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