2025 Compare Cities Climate:
Castro Valley, CA vs Twain Harte, CA

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Highlights
- Twain Harte has 104.2% more rainy days than Castro Valley.
- Twain Harte has 2.3% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Twain Harte scores 14.0% worse than Castro Valley
 Castro Valley, CATwain Harte, CAUnited States
 Rainfall  Unlock4438
 Snowfall0  Unlock28
 Precipitation  Unlock70106
 Sunny261  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock36452443
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 Twain Harte    2 Reviews

Over 4 years ago

We have been coming to Twain Harte for over 50 years. We moved here in 2018 and have enjoyed every minute of it! The weather is just excellent, great change of seasons  More

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Over 15 years ago

Twain Harte is a lovely small town in the Sierra Foothills. This county is very close knit and watch out for each other. Its difficult to make a living but the beauty  More

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