2025 Compare Climate & Weather:
Overland Park, KS vs Gurnee, IL

Highlights

On average, there are 190 sunny days per year in Gurnee. Overland Park averages 213 sunny days per year. The US average is 205 sunny days.

Gurnee, Illinois gets 35.8 inches of rain, on average, per year. Overland Park, Kansas gets 41.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Gurnee averages 43.2 inches of snow per year. Overland Park averages 14 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Gurnee, Illinois
Summer High: the July high is around 81.4 degrees
Winter Low: the January low is 15.1
Rain: averages 35.8 inches of rain a year
Snow: averages 43.2 inches of snow a year

Overland Park, Kansas
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 20.3
Rain: averages 41.5 inches of rain a year
Snow: averages 14 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Gurnee is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

The annual BestPlaces Comfort Index for Overland Park is 7.3 (10=best), which means it is more comfortable than most places in Kansas.

Today's Weather - Overland Park, KS

65°F

Today's Weather - Gurnee, IL

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Overland Park / Gurnee

July is the hottest month for Overland Park with an average high temperature of 87.9°, which ranks it as one of the coolest places in Kansas. In Overland Park, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Overland Park are September, May and June.

July is the hottest month for Gurnee with an average high temperature of 81.4°, which ranks it as one of the coolest places in Illinois. In Gurnee, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gurnee are June, August and July.

January has the coldest nighttime temperatures for Overland Park with an average of 20.3°. This is warmer than most places in Kansas.

January has the coldest nighttime temperatures for Gurnee with an average of 15.1°. This is colder than most places in Illinois.

In Overland Park, there are 29.6 days annually when the high temperature is over 90°, which is one of the coolest places in Kansas.

In Gurnee, there are 8.1 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Overland Park, there are 104.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kansas.

In Gurnee, there are 130.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Overland Park, there are 2.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Kansas.

In Gurnee, there are 8.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

June is the wettest month in Overland Park with 5.8 inches of rain, and the driest month is January with 1.3 inches. The wettest season is Autumn with 33% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 41.5 inches in Overland Park means that it is wetter than most places in Kansas.


May is the wettest month in Gurnee with 4.0 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 31% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 35.8 inches in Gurnee means that it is one of the driest places in Illinois.

May is the rainiest month in Overland Park with 10.9 days of rain, and January is the driest month with only 5.1 rainy days. There are 90.6 rainy days annually in Overland Park, which is rainier than most places in Kansas. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

May is the rainiest month in Gurnee with 11.9 days of rain, and February is the driest month with only 7.9 rainy days. There are 115.8 rainy days annually in Gurnee, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 14.0 inches in Overland Park means that it is about average compared to other places in Kansas.

An annual snowfall of 43.2 inches in Gurnee means that it is one of the snowiest places in Illinois.

January is the snowiest month in Overland Park with 4.1 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Gurnee with 12.9 inches of snow, and 6 months of the year have significant snowfall.