2026 Compare Cities Climate:
Castro Valley, CA vs Mount Joy, PA

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Highlights
- Mount Joy has 98.1% more rainy days than Castro Valley.
- Mount Joy has 24.9% less Sunny Days than Castro Valley.
- On the BestPlaces comfort index, Mount Joy scores 16.3% worse than Castro Valley
 Castro Valley, CAMount Joy, PAUnited States
 Rainfall  Unlock4238
 Snowfall0  Unlock28
 Precipitation  Unlock121106
 Sunny261  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index5.4  Unlock4.3
 Elevation  Unlock3812443
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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Reviews for Mount Joy    2 Reviews

Over 15 years ago

Well, I have lived in Mount Joy, pa for about a year...it's nice and quiet and the people stay to themselves. This could be a good thing if you stay to yourself as well.  More

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Over 16 years ago

Mount Joy is approximately 10 miles west of Lancaster, PA. It's a nice community with a busy Main  More

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