2025 Compare Cities :
Rio Vista, CA vs Castro Valley, CA

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 Rio Vista, CACastro Valley, CAUnited States
 Rainfall  Unlock21.338.1
 Snowfall0  Unlock27.8
 Precipitation Days57.966106.2
 Sunny268  Unlock205
 Avg. July High  Unlock75.685.8
 Avg. Jan. Low38.6  Unlock21.7
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.1  Unlock4.3
 Elevation ft.201612443
Reviews for Rio Vista    2 Reviews

Known as “the Gateway to the Delta”, Rio Vista is located in the heart of the California Delta on the Sacramento River. The views along the wide river bring to mind the  More

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There is plenty to be had in Rio Vista, particularly if you like dead animal heads on a bar wall (Fosters Big Horn) and a state of the art fish cleaning station located  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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