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

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Highlights
- Castro Valley has 51.4% less rainy days than Jonesborough.
- Castro Valley has 29.9% more Sunny Days than Jonesborough.
- On the BestPlaces comfort index, Castro Valley scores 14.7% better than Jonesborough
 Jonesborough, TNCastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall11  Unlock28
 Precipitation  Unlock66106
 Sunny201  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low26  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index4.8  Unlock4.3
 Elevation  Unlock1612443
Reviews for Jonesborough    3 Reviews

Over 16 years ago

Oldest city in TN. Has great historic sites to visit. Becomes very congested when there is a festival in progress (there are several each year). People are friendly.   More

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Over 18 years ago

great bang for your buck, low taxes, nice  More

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Over 20 years ago

Wonderful year round climate, just enough of every  More

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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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