2025 Compare Cities Climate:
Grass Valley, CA vs Costa Mesa, CA

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Highlights
- Costa Mesa has 78.2% less rainy days than Grass Valley.
- Costa Mesa has 12.8% more Sunny Days than Grass Valley.
- On the BestPlaces comfort index, Costa Mesa scores 17.7% better than Grass Valley
 Grass Valley, CACosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall11  Unlock28
 Precipitation  Unlock36106
 Sunny243  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low34  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index5  Unlock4.3
 Elevation  Unlock982443
Reviews for Grass Valley    15 Reviews

I've lived many places in California. I've now lived in Grass Valley for 2 years. Grass Valley and it's sister Nevada City are adorable little towns full of history and  More

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Grass valley has become a sad place to live. I was born and raised here and can no longer afford to raise my small family here. Look up the median annual wage and the  More

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I'm 25 years old and I've lived in this town all of my life, and I'm saving every single dollar I make to leave here and never come back. It's a shame, because at one  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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