2026 Compare Cities Climate:
Castro Valley, CA vs Columbia, KY

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Highlights
- Columbia has 138.0% more rainy days than Castro Valley.
- Columbia has 26.8% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Columbia scores 15.1% worse than Castro Valley
 Castro Valley, CAColumbia, KYUnited States
 Rainfall  Unlock5138
 Snowfall0  Unlock28
 Precipitation  Unlock114106
 Sunny261  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index5.4  Unlock4.3
 Elevation  Unlock7482443
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 Columbia    0 Reviews

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