2025 Compare Cities Climate:
Olney, MD vs Herndon, VA

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Highlights
- Herndon has 0.9% less rainy days than Olney.
- Herndon has 1.0% more Sunny Days than Olney.
- On the BestPlaces comfort index, Herndon scores 0.0% worse than Olney
 Olney, MDHerndon, VAUnited States
 Rainfall  Unlock4338
 Snowfall16  Unlock28
 Precipitation  Unlock120106
 Sunny199  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low25  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index4.1  Unlock4.3
 Elevation  Unlock3612443
Reviews for Olney    5 Reviews

Been here since 2015. Peaceful and lots of green space for natural beauty. Convenient to given the shopping village with all that is needed. I must express  More

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In 1957 my parents almost bought a house with a stable for two horses. When the deal went south, I came close to divorcing my parents! Forty years later, my wife and I  More

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Over 13 years ago

Olney Theater is very good for small  More

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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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