2026 Compare Cities Climate:
Castro Valley, CA vs Knoxville, TN

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Highlights
- Knoxville has 136.2% more rainy days than Castro Valley.
- Knoxville has 21.8% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Knoxville scores 14.0% worse than Castro Valley
 Castro Valley, CAKnoxville, TNUnited States
 Rainfall  Unlock5038
 Snowfall0  Unlock28
 Precipitation  Unlock127106
 Sunny261  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock9062443
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 Knoxville    122 Reviews

What’s not to like? Friendly folks, mountains, rivers, lakes, streams, trees, amazing southern cuisine. Minimal traffic, solid museums, kid friendly everything, great  More

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I lived in Knoxville for 3 years and still go there to see a doctor of mine until my treatment is over. You could not pay me to return to Knoxville now that I foster  More

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Over 5 years ago

This is my second residence in Knoxville and I'm loving my return after a 30 year absence. I love the city and county and the atmosphere surrounding them. What's not to  More

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