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

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Highlights
- Mendocino has 92.5% more rainy days than Castro Valley.
- Mendocino has 27.6% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Mendocino scores 10.5% worse than Castro Valley
 Castro Valley, CAMendocino, CAUnited States
 Rainfall  Unlock4138
 Snowfall0  Unlock28
 Precipitation  Unlock97106
 Sunny261  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.77
 UV Index5.4  Unlock4.3
 Elevation  Unlock1542443
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 Mendocino    1 Reviews

Over 18 years ago

I love Mendocino, it gets a little foggy here though. There is practically no crime here compared to other  More

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