2025 Compare Climate & Weather:
Chicago, IL vs Duluth, MN

Highlights

On average, there are 178 sunny days per year in Duluth. Chicago averages 189 sunny days per year. The US average is 205 sunny days.

Duluth, Minnesota gets 31.2 inches of rain, on average, per year. Chicago, Illinois gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Duluth averages 69.5 inches of snow per year. Chicago averages 35.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Duluth, Minnesota
Summer High: the July high is around 76.5 degrees
Winter Low: the January low is 2.3
Rain: averages 31.2 inches of rain a year
Snow: averages 69.5 inches of snow a year

Chicago, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 19.2
Rain: averages 38.2 inches of rain a year
Snow: averages 35.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Duluth is 6.0 (10=best), which means it is one of the least comfortable places in Minnesota.

The annual BestPlaces Comfort Index for Chicago is 7.0 (10=best), which means it is about average compared to other places in Illinois.

Today's Weather - Chicago, IL

45°F

Today's Weather - Duluth, MN

35°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chicago / Duluth

July is the hottest month for Chicago with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Chicago, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chicago are June, September and August.

July is the hottest month for Duluth with an average high temperature of 76.5°, which ranks it as one of the coolest places in Minnesota. In Duluth, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Duluth are July, August and June.

January has the coldest nighttime temperatures for Chicago with an average of 19.2°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Duluth with an average of 2.3°. This is about average compared to other places in Minnesota.

In Chicago, there are 13.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Duluth, there are 2.4 days annually when the high temperature is over 90°, which is one of the coolest places in Minnesota.

In Chicago, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Duluth, there are 174.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Minnesota.

In Chicago, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

In Duluth, there are 36.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Minnesota.

August is the wettest month in Chicago with 4.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois.


September is the wettest month in Duluth with 4.1 inches of rain, and the driest month is February with 0.8 inches. The wettest season is Autumn with 38% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 31.2 inches in Duluth means that it is wetter than most places in Minnesota.

May is the rainiest month in Chicago with 11.5 days of rain, and February is the driest month with only 8.4 rainy days. There are 124.8 rainy days annually in Chicago, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

June is the rainiest month in Duluth with 12.1 days of rain, and February is the driest month with only 6.8 rainy days. There are 117.3 rainy days annually in Duluth, which is one of the rainiest places in Minnesota. The rainiest season is Autumn when it rains 28% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 35.1 inches in Chicago means that it is one of the snowiest places in Illinois.

An annual snowfall of 69.5 inches in Duluth means that it is one of the snowiest places in Minnesota.

January is the snowiest month in Chicago with 11.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Duluth with 16.0 inches of snow, and 7 months of the year have significant snowfall.