2025 Compare Cities Climate:
Potomac Mills, VA vs Herndon, VA

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Highlights
- Herndon has 1.4% more rainy days than Potomac Mills.
- Herndon has 1.5% more Sunny Days than Potomac Mills.
- On the BestPlaces comfort index, Herndon scores 0.0% worse than Potomac Mills
 Potomac Mills, VAHerndon, VAUnited States
 Rainfall  Unlock4338
 Snowfall18  Unlock28
 Precipitation  Unlock120106
 Sunny198  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index4  Unlock4.3
 Elevation  Unlock3612443
Reviews for Potomac Mills    0 Reviews

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Reviews for Herndon    12 Reviews

Over 10 years ago

Seasons tend to be relatively mild. The warmer seasons are extended by 3-4 weeks as compared to the New York Metropolitan Area.  More

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Over 16 years ago

Traffic has gotten out of control the last couple of  More

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Over 16 years ago

We actually live south of Herndon in Oak Hill (Zip Code 20171). The Town of Herndon is incorporated, Oak Hill is not. Herndon is a nice enough city with an historic area  More

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