2026 Compare Cities Climate:
Castro Valley, CA vs Tucson, AZ

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Highlights
- Tucson has 42.3% less rainy days than Castro Valley.
- Tucson has 9.6% more Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Tucson scores 12.8% worse than Castro Valley
 Castro Valley, CATucson, AZUnited States
 Rainfall  Unlock1238
 Snowfall0  Unlock28
 Precipitation  Unlock52106
 Sunny261  Unlock205
 Avg. July High  Unlock10086
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index5.4  Unlock4.3
 Elevation  Unlock24902443
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 Tucson    287 Reviews

My wife and I characterize ourselves as a young couple, well educated, with decent positions and we’re Tucson natives. We’ve observed our quality of life from both a  More

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Over 2 years ago

I was reading the reviews for Tucson, and after living there for 6 years, I feel the need to weigh in. There are many pros in Tucson: access to recreational areas,  More

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I spend considerable time in and around Tucson, and I've see it rapidly going "downhill" since 2020. It's definitely not the nice town I remember from when I was a  More

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