2025 Compare Climate & Weather:
Dallas, TX vs Reston, VA

Highlights

On average, there are 197 sunny days per year in Reston. Dallas averages 234 sunny days per year. The US average is 205 sunny days.

Reston, Virginia gets 42.7 inches of rain, on average, per year. Dallas, Texas gets 39.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Reston averages 21.5 inches of snow per year. Dallas averages 1.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Reston, Virginia
Summer High: the July high is around 85.5 degrees
Winter Low: the January low is 23.5
Rain: averages 42.7 inches of rain a year
Snow: averages 21.5 inches of snow a year

Dallas, Texas
Summer High: the July high is around 94.9 degrees
Winter Low: the January low is 35.5
Rain: averages 39.1 inches of rain a year
Snow: averages 1.2 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Dallas is 7.1 (10=best), which means it is about average compared to other places in Texas.

Today's Weather - Dallas, TX

68°F

Today's Weather - Reston, VA

78°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Dallas / Reston

August is the hottest month for Dallas with an average high temperature of 95.7°, which ranks it as warmer than most places in Texas. In Dallas, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dallas are October, April and May.

July is the hottest month for Reston with an average high temperature of 85.5°, which ranks it as cooler than most places in Virginia. In Reston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Reston are September, June and May.

January has the coldest nighttime temperatures for Dallas with an average of 35.5°. This is about average compared to other places in Texas.

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

In Dallas, there are 91.2 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.

In Reston, there are 18.3 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Dallas, there are 30.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In Reston, there are 103.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

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

In Reston, 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 Dallas with 5.0 inches of rain, and the driest month is August with 2.2 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 39.1 inches in Dallas means that it is wetter than most places in Texas.


May is the wettest month in Reston with 4.5 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Summer with 27% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 42.7 inches in Reston means that it is drier than most places in Virginia.

May is the rainiest month in Dallas with 8.9 days of rain, and August is the driest month with only 4.5 rainy days. There are 77.6 rainy days annually in Dallas, which is rainier than most places in Texas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

May is the rainiest month in Reston with 12.1 days of rain, and October is the driest month with only 8.1 rainy days. There are 117.9 rainy days annually in Reston, 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 1.2 inches in Dallas means that it is snowier than most places in Texas.

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

February is the snowiest month in Dallas with 0.4 inches of snow, and no months of the year have significant snowfall.

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