2025 Compare Cities Climate:
Tualatin, OR vs Castro Valley, CA

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Highlights
- Castro Valley has 48.8% less rainy days than Tualatin.
- Castro Valley has 85.1% more Sunny Days than Tualatin.
- On the BestPlaces comfort index, Castro Valley scores 14.7% better than Tualatin
 Tualatin, ORCastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall2  Unlock28
 Precipitation  Unlock66106
 Sunny141  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low36  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index3  Unlock4.3
 Elevation  Unlock1612443
Reviews for Tualatin    1 Reviews

I moved to Tualatin from Tigard several years ago and it was the BEST decision for my family. We found a great house for less money, walking distance to a new park right  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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