2026 Compare Cities Climate:
Reston, VA vs Portsmouth, VA

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Highlights
- Portsmouth has 11.0% more rainy days than Reston.
- Portsmouth has 10.2% more Sunny Days than Reston.
- On the BestPlaces comfort index, Portsmouth scores 1.4% better than Reston
 Reston, VAPortsmouth, VAUnited States
 Rainfall  Unlock4738
 Snowfall22  Unlock28
 Precipitation  Unlock115106
 Sunny197  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index4  Unlock4.3
 Elevation  Unlock102443
Reviews for Reston    21 Reviews

Over 4 years ago

I have lived in Reston for three years and it is absolute paradise. The fact that it was a planned city from decades ago is still apparent to this day. With plenty of  More

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Over 11 years ago

Summers are hot and  More

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There is a vast network of bike and walking trails thoughout the city and neighborhoods. 40% of the city is slated to remain green so there are many trees, parks and  More

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Reviews for Portsmouth    4 Reviews

I have lived in Westhaven neighborhood in Portsmouth for 23 yrs. I have never smelled a paper mill in Portsmouth. I grew up in MA about a mile from one, so I know what  More

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Over 16 years ago

Housing not always  More

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Does anyone living near Portsmouth, VA smell a paper  More

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