2025 Compare Cities Climate:
Santa Rosa, CA vs Castro Valley, CA

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Highlights
- Castro Valley has 44.2% less rainy days than Santa Rosa.
- Castro Valley has 2.0% more Sunny Days than Santa Rosa.
- On the BestPlaces comfort index, Castro Valley scores 3.6% better than Santa Rosa
 Santa Rosa, CACastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall0  Unlock28
 Precipitation  Unlock66106
 Sunny256  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low38  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index4.9  Unlock4.3
 Elevation  Unlock1612443
Reviews for Santa Rosa    43 Reviews

I was born and raised here. Santa Rosa used to be a great city great location great weather but now it is overcrowded and crime is off the charts and housing is crazy  More

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I've lived her over 20 years and it's a pretty nice place. The main vibe is you feel safe doing this day or night. Most of the neighborhoods are well taken care of, they  More

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Terrible city that's hurting for money. After going on a long hiatus from enforcing traffic laws, they've recently turned their highways into an ATM machine/cash cow by  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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