2026 Compare Cities Climate:
Concord, CA vs Castro Valley, CA

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Highlights
- Castro Valley has 17.0% more rainy days than Concord.
- Castro Valley has 0.8% less Sunny Days than Concord.
- On the BestPlaces comfort index, Castro Valley scores 1.2% better than Concord
 Concord, CACastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall0  Unlock28
 Precipitation  Unlock66106
 Sunny263  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.4  Unlock4.3
 Elevation  Unlock1612443
Reviews for Concord    22 Reviews

Over 5 years ago

I've lived here for 13 years. Concord has easy access to Walnut Creek and Pleasant Hill and is about 25 minutes from Oakland, and 45 minutes from San Francisco.  More

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I moved to Concord 20 years ago and have loved living here. It has a charming central square downtown that hosts farmers markets two days a week. I love the Music &  More

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We Moved to Concord from the Los Angeles area in 1982 as a young couple starting a family. Concord has been a great place to raise kids. Low crime and great people.  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 12 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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