2025 Compare Cities Climate:
Castro Valley, CA vs Mariposa, CA

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Highlights
- Mariposa has 46.9% more rainy days than Castro Valley.
- Mariposa has 3.1% more Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Mariposa scores 8.1% worse than Castro Valley
 Castro Valley, CAMariposa, CAUnited States
 Rainfall  Unlock3138
 Snowfall0  Unlock28
 Precipitation  Unlock54106
 Sunny261  Unlock205
 Avg. July High  Unlock9386
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.97
 UV Index5.4  Unlock4.3
 Elevation  Unlock19492443
Reviews for Castro Valley    7 Reviews

CURMUDGEON - THANK YOU for your post. The most important part of your comment is your second paragraph. "Hodge-Podge" is the correct word for a lot of Castro  More

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Over 11 years ago

Kind of rural but close to Oakland and San  More

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Castro Valley is the largest unincorporated "city" in the Bay Area. Over the years, several attempts have been made to incorporate, but they have all been defeated at  More

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Reviews for Mariposa    1 Reviews

Over 15 years ago

We've recently moved to Mariposa and are overwhelmed with all the beauty here. The Oaks and wildflowers are amazing. Our visits to Yosemite have been spectacular. The  More

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