2025 Compare Climate & Weather:
Herndon, VA vs Atlanta, GA

Highlights

On average, there are 217 sunny days per year in Atlanta. Herndon averages 201 sunny days per year. The US average is 205 sunny days.

Atlanta, Georgia gets 51.5 inches of rain, on average, per year. Herndon, Virginia gets 42.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Atlanta averages 1.4 inches of snow per year. Herndon averages 21.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Atlanta, Georgia
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 32.6
Rain: averages 51.5 inches of rain a year
Snow: averages 1.4 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Atlanta is 7.6 (10=best), which means it is one of the most pleasant places in Georgia.

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

Today's Weather - Herndon, VA

72°F

Today's Weather - Atlanta, GA

69°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Atlanta with an average high temperature of 88.3°, which ranks it as cooler than most places in Georgia. In Atlanta, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Atlanta are May, September and April.

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

January has the coldest nighttime temperatures for Atlanta with an average of 32.6°. This is about average compared to other places in Georgia.

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

In Atlanta, there are 31.5 days annually when the high temperature is over 90°, which is cooler than most places in Georgia.

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 Atlanta, there are 46.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Georgia.

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

In Atlanta, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Georgia.

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.


July is the wettest month in Atlanta with 5.1 inches of rain, and the driest month is October with 3.5 inches. The wettest season is Autumn with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 51.5 inches in Atlanta means that it is wetter than most places in Georgia.

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.

July is the rainiest month in Atlanta with 11.2 days of rain, and October is the driest month with only 7.0 rainy days. There are 109.3 rainy days annually in Atlanta, which is rainier than most places in Georgia. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 20% chance of a rainy day.

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

An annual snowfall of 1.4 inches in Atlanta means that it is snowier than most places in Georgia.

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

January is the snowiest month in Atlanta with 0.6 inches of snow, and 1 month of the year have significant snowfall.