2025 Compare Cities Climate:
Castro Valley, CA vs San Bruno, CA

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Highlights
- San Bruno has 19.7% more rainy days than Castro Valley.
- San Bruno has 0.4% more Sunny Days than Castro Valley.
- On the BestPlaces comfort index, San Bruno scores 1.2% worse than Castro Valley
 Castro Valley, CASan Bruno, CAUnited States
 Rainfall  Unlock2638
 Snowfall0  Unlock28
 Precipitation  Unlock69106
 Sunny261  Unlock205
 Avg. July High  Unlock7086
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock8.57
 UV Index5.4  Unlock4.3
 Elevation  Unlock202443
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 San Bruno    1 Reviews

Over 18 years ago

nice small town but high cost of living restrict the better parts of  More

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