2025 Compare Cities Climate:
Hercules, CA vs Castro Valley, CA

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Highlights
- Castro Valley has 10.9% less rainy days than Hercules.
- Castro Valley has 1.5% less Sunny Days than Hercules.
- On the BestPlaces comfort index, Castro Valley scores 1.2% better than Hercules
 Hercules, CACastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall0  Unlock28
 Precipitation  Unlock66106
 Sunny265  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low40  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.4  Unlock4.3
 Elevation  Unlock1612443
Reviews for Hercules    2 Reviews

Over 11 years ago

Hercules is in the San Francisco Bay area. It is located on San Pablo Bay which moderates the temperature. Hercules is typically cooler than Concord in Summer. It can  More

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Would like to find out more about the living condition in Hercules and the surrounding areas as well, as well as the transportation to and from the Bay  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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