2026 Compare Cities Climate:
Decatur, TX vs Castro Valley, CA

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Highlights
- Castro Valley has 43.0% less rainy days than Decatur.
- Castro Valley has 10.6% more Sunny Days than Decatur.
- On the BestPlaces comfort index, Castro Valley scores 14.7% better than Decatur
 Decatur, TXCastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall1  Unlock28
 Precipitation  Unlock66106
 Sunny236  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low29  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.6  Unlock4.3
 Elevation  Unlock1612443
Reviews for Decatur    2 Reviews

Over 16 years ago

Very clannish and closed  More

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I live for 15 years in Decatur and then moved to Florida 6 years ago. I hate Florida and desperately miss the friendly, gentle people in Decatur. It is very quiet with  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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