2025 Compare Climate & Weather:
Detroit, MI vs Decatur, GA

Highlights

On average, there are 218 sunny days per year in Decatur. Detroit averages 183 sunny days per year. The US average is 205 sunny days.

Decatur, Georgia gets 52.5 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.

Decatur averages 1.5 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

Decatur, Georgia
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 32.6
Rain: averages 52.5 inches of rain a year
Snow: averages 1.5 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 Decatur is 7.6 (10=best), which means it is one of the most pleasant places in Georgia.

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

66°F

Today's Weather - Decatur, GA

69°F

Average Monthly High / Low (°F)

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

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 Decatur with an average high temperature of 87.9°, which ranks it as cooler than most places in Georgia. In Decatur, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Decatur are May, September and April.

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 Decatur with an average of 32.6°. This is about average compared to other places in Georgia.

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 Decatur, there are 28.3 days annually when the high temperature is over 90°, which is cooler than most places in Georgia.

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 Decatur, there are 46.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Georgia.

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

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.


July is the wettest month in Decatur with 5.1 inches of rain, and the driest month is April with 3.6 inches. The wettest season is Spring with 26% of yearly precipitation and 24% occurs in Winter, which is the driest season. The annual rainfall of 52.5 inches in Decatur means that it is wetter than most places in Georgia.

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.

July is the rainiest month in Decatur with 10.8 days of rain, and October is the driest month with only 6.8 rainy days. There are 108.7 rainy days annually in Decatur, 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 21% 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 1.5 inches in Decatur means that it is snowier than most places in Georgia.

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

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