2025 Compare Climate & Weather:
Chicago, IL vs Galesburg, IL

Highlights

On average, there are 193 sunny days per year in Galesburg. Chicago averages 189 sunny days per year. The US average is 205 sunny days.

Galesburg, Illinois gets 39.3 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.

Galesburg averages 24.1 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

Galesburg, Illinois
Summer High: the July high is around 84.4 degrees
Winter Low: the January low is 14.3
Rain: averages 39.3 inches of rain a year
Snow: averages 24.1 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 Galesburg is 7.0 (10=best), which means it is about average compared to other places in Illinois.

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

52°F

Today's Weather - Galesburg, IL

52°F

Average Monthly High / Low (°F)

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

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 Galesburg with an average high temperature of 84.4°, which ranks it as cooler than most places in Illinois. In Galesburg, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Galesburg are September, June and August.

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 Galesburg with an average of 14.3°. This is colder than most places in Illinois.

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

In Galesburg, there are 12.8 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

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 Galesburg, there are 129.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

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 Galesburg, there are 9.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

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.


May is the wettest month in Galesburg with 4.7 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 39.3 inches in Galesburg means that it is about average compared to other places in Illinois.

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.

May is the rainiest month in Galesburg with 12.0 days of rain, and February is the driest month with only 7.3 rainy days. There are 111.2 rainy days annually in Galesburg, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% 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 24.1 inches in Galesburg means that it is snowier than most places in Illinois.

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 Galesburg with 7.6 inches of snow, and 5 months of the year have significant snowfall.