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

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Highlights
- Castro Valley has 59.6% less rainy days than Olympia.
- Castro Valley has 91.9% more Sunny Days than Olympia.
- On the BestPlaces comfort index, Castro Valley scores 21.1% better than Olympia
 Olympia, WACastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall6  Unlock28
 Precipitation  Unlock66106
 Sunny136  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low34  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index2.6  Unlock4.3
 Elevation  Unlock1612443
Reviews for Olympia    39 Reviews

We moved here from Kitsap Bremerton/Silverdale WA area and this beats it all the way in all material ways. The only reason not to give it 5 stars is the cost of  More

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Over 4 years ago

The city is horrible. The business have been chased out by homeless. The city government makes it for difficult for businesses to thrive. If you like what Seattle is  More

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Having lived all over the world we decided to retire in Olympia and live on the Puget Sound. Yes it rains but the weather can change dramatically in a day with sun and  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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