2025 Compare Cities :
Castro Valley, CA vs Hayward, CA

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 Castro Valley, CAHayward, CAUnited States
 Rainfall  Unlock1838.1
 Snowfall0  Unlock27.8
 Precipitation Days6664.7106.2
 Sunny261  Unlock205
 Avg. July High  Unlock76.285.8
 Avg. Jan. Low41.6  Unlock21.7
 Comfort Index (higher=better)  Unlock8.77
 UV Index5.4  Unlock4.3
 Elevation ft.1611052443
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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Reviews for Hayward    4 Reviews

I've lived in Hayward for 20 years. Traditionally a working  More

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Hetchy Hechy water is very pure,the summers are about 78f..warm enough. Winters are sunny for the most part and by average.One University and one College in this small  More

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Over 11 years ago

convenient BART and bus if you have no  More

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