2026 Compare Cities Climate:
Castro Valley, CA vs Belmont, CA

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Highlights
- Belmont has 25.8% more rainy days than Castro Valley.
- Belmont has 2.3% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Belmont scores 2.3% worse than Castro Valley
 Castro Valley, CABelmont, CAUnited States
 Rainfall  Unlock2738
 Snowfall0  Unlock28
 Precipitation  Unlock70106
 Sunny261  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock432443
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 12 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 Belmont    2 Reviews

San Jose is within 25 miles to the South, San Francisco within 25 miles to the North. Half-moon bay (the coast) within 25 miles to the west, and Berkley/Oakland are  More

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Over 19 years ago

...if one is lucky and rich enough to avoid the native populace. Belmont lies in a corrador south of the race track where the proud tradition of vice continues to this  More

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