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

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Highlights
- San Jose has 19.2% less rainy days than Castro Valley.
- San Jose has 1.5% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, San Jose scores 2.3% better than Castro Valley
 Castro Valley, CASan Jose, CAUnited States
 Rainfall  Unlock1738
 Snowfall0  Unlock28
 Precipitation  Unlock62106
 Sunny261  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.4  Unlock4.3
 Elevation  Unlock822443
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 Jose    90 Reviews

I've lived in west San Jose/Cambrian, between Los Gatos and Almaden SJ since 1997. This side of town somehow avoided the erosion of the American dream. Houses are  More

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I lived in San Jose for 40 years. That’s during the most exciting time when the Silicon Valley was booming with real technology and San Jose was ranked as the safest big  More

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Over 4 years ago

I've lived in San Jose, CA for 25 years. This city is being over run with crime and gangs. The cost of living is very high. Granted, you are so close to mountains,  More

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