2025 Compare Cities Climate:
Kennewick, WA vs Castro Valley, CA

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Highlights
- Castro Valley has 163.0% more rainy days than Kennewick.
- Castro Valley has 36.6% more Sunny Days than Kennewick.
- On the BestPlaces comfort index, Castro Valley scores 14.7% better than Kennewick
 Kennewick, WACastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall4  Unlock28
 Precipitation  Unlock66106
 Sunny191  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low29  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index3.2  Unlock4.3
 Elevation  Unlock1612443
Reviews for Kennewick    24 Reviews

Born here and lived most of my 48 years here. If people haven't gotten out and explored the versatility of this place to entertain a population at my levels and options  More

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I have lived here a few years and it’s the worst place I’ve ever been. The “ nice weather” people refer to is 100 degree hot can’t even stand outside at 9am without  More

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Over 4 years ago

I’ve lived here for 30 years. Very good place to live. Three major rivers meet here. The Columbia, Snake and Yakima rivers. So if you like fishing or boating it’s a  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 11 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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