2025 Compare Climate & Weather:
Detroit, MI vs Fairfax, VA

Highlights

On average, there are 198 sunny days per year in Fairfax. Detroit averages 183 sunny days per year. The US average is 205 sunny days.

Fairfax, Virginia gets 43 inches of rain, on average, per year. Detroit, Michigan gets 33.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Fairfax averages 21.5 inches of snow per year. Detroit averages 33 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Fairfax, Virginia
Summer High: the July high is around 85.7 degrees
Winter Low: the January low is 23.7
Rain: averages 43 inches of rain a year
Snow: averages 21.5 inches of snow a year

Detroit, Michigan
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 18.5
Rain: averages 33.5 inches of rain a year
Snow: averages 33 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Detroit is 6.9 (10=best), which means it is one of the most pleasant places in Michigan.

Today's Weather - Detroit, MI

55°F

Today's Weather - Fairfax, VA

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Detroit / Fairfax

July is the hottest month for Detroit with an average high temperature of 83.5°, which ranks it as one of the hottest places in Michigan. In Detroit, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Detroit are June, August and September.

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

January has the coldest nighttime temperatures for Detroit with an average of 18.5°. This is one of the warmest places in Michigan.

January has the coldest nighttime temperatures for Fairfax with an average of 23.7°. This is about average compared to other places in Virginia.

In Detroit, there are 9.5 days annually when the high temperature is over 90°, which is one of the hottest places in Michigan.

In Fairfax, there are 18.6 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Detroit, there are 126.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Michigan.

In Fairfax, there are 102.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Detroit, there are 2.3 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Michigan.

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

June is the wettest month in Detroit with 3.5 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Autumn with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 33.5 inches in Detroit means that it is about average compared to other places in Michigan.


May is the wettest month in Fairfax with 4.6 inches of rain, and the driest month is February with 2.8 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 43.0 inches in Fairfax means that it is drier than most places in Virginia.

December is the rainiest month in Detroit with 12.1 days of rain, and February is the driest month with only 9.0 rainy days. There are 125.2 rainy days annually in Detroit, which is less rainy than most places in Michigan. The rainiest season is Summer when it rains 26% of the time and the driest is Autumn with only a 24% chance of a rainy day.

May is the rainiest month in Fairfax with 12.2 days of rain, and October is the driest month with only 8.2 rainy days. There are 119.2 rainy days annually in Fairfax, 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 33.0 inches in Detroit means that it is one of the least snowy places in Michigan.

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

January is the snowiest month in Detroit with 10.2 inches of snow, and 6 months of the year have significant snowfall.

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