2025 Compare Climate & Weather:
Winchester, VA vs Herndon, VA

Highlights

On average, there are 201 sunny days per year in Herndon. Winchester averages 196 sunny days per year. The US average is 205 sunny days.

Herndon, Virginia gets 42.9 inches of rain, on average, per year. Winchester, Virginia gets 38.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Herndon averages 21.5 inches of snow per year. Winchester averages 21.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Herndon, Virginia
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 23.5
Rain: averages 42.9 inches of rain a year
Snow: averages 21.5 inches of snow a year

Winchester, Virginia
Summer High: the July high is around 85.7 degrees
Winter Low: the January low is 21.3
Rain: averages 38.3 inches of rain a year
Snow: averages 21.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Herndon is 7.3 (10=best), which means it is about average compared to other places in Virginia.

The annual BestPlaces Comfort Index for Winchester is 7.2 (10=best), which means it is less comfortable than most places in Virginia.

Today's Weather - Winchester, VA

63°F

Today's Weather - Herndon, VA

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Winchester / Herndon

July is the hottest month for Winchester with an average high temperature of 85.7°, which ranks it as cooler than most places in Virginia. In Winchester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Winchester are September, June and May.

July is the hottest month for Herndon with an average high temperature of 85.8°, which ranks it as cooler than most places in Virginia. In Herndon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Herndon are September, June and May.

January has the coldest nighttime temperatures for Winchester with an average of 21.3°. This is colder than most places in Virginia.

January has the coldest nighttime temperatures for Herndon with an average of 23.5°. This is colder than most places in Virginia.

In Winchester, there are 19.8 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Herndon, there are 18.9 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Winchester, there are 116.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Virginia.

In Herndon, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Winchester, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

In Herndon, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

May is the wettest month in Winchester with 3.9 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Summer with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 38.3 inches in Winchester means that it is one of the driest places in Virginia.


May is the wettest month in Herndon with 4.6 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Herndon means that it is drier than most places in Virginia.

May is the rainiest month in Winchester with 12.8 days of rain, and February is the driest month with only 8.0 rainy days. There are 117.5 rainy days annually in Winchester, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.

May is the rainiest month in Herndon with 12.2 days of rain, and October is the driest month with only 8.1 rainy days. There are 119.5 rainy days annually in Herndon, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 21.9 inches in Winchester means that it is one of the snowiest places in Virginia.

An annual snowfall of 21.5 inches in Herndon means that it is one of the snowiest places in Virginia.

January is the snowiest month in Winchester with 7.5 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in Herndon with 7.8 inches of snow, and 5 months of the year have significant snowfall.