2025 Compare Climate & Weather:
Mundelein, IL vs Kennewick, WA

Highlights

On average, there are 191 sunny days per year in Kennewick. Mundelein averages 187 sunny days per year. The US average is 205 sunny days.

Kennewick, Washington gets 8.1 inches of rain, on average, per year. Mundelein, Illinois gets 36.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Kennewick averages 3.5 inches of snow per year. Mundelein averages 40.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Kennewick, Washington
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 28.7
Rain: averages 8.1 inches of rain a year
Snow: averages 3.5 inches of snow a year

Mundelein, Illinois
Summer High: the July high is around 82 degrees
Winter Low: the January low is 14.2
Rain: averages 36.2 inches of rain a year
Snow: averages 40.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Kennewick is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

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

Today's Weather - Mundelein, IL

52°F

Today's Weather - Kennewick, WA

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mundelein / Kennewick

July is the hottest month for Mundelein with an average high temperature of 82.0°, which ranks it as one of the coolest places in Illinois. In Mundelein, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mundelein are June, August and July.

July is the hottest month for Kennewick with an average high temperature of 89.9°, which ranks it as one of the hottest places in Washington. In Kennewick, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kennewick are September, May and June.

January has the coldest nighttime temperatures for Mundelein with an average of 14.2°. This is colder than most places in Illinois.

December has the coldest nighttime temperatures for Kennewick with an average of 27.5°. This is colder than most places in Washington.

In Mundelein, there are 8.5 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Kennewick, there are 39.9 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Mundelein, there are 132.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Kennewick, there are 87.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Mundelein, there are 9.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

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

May is the wettest month in Mundelein with 4.0 inches of rain, and the driest month is January with 1.8 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 36.2 inches in Mundelein means that it is one of the driest places in Illinois.


December is the wettest month in Kennewick with 1.2 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 39% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 8.1 inches in Kennewick means that it is one of the driest places in Washington.

May is the rainiest month in Mundelein with 12.2 days of rain, and February is the driest month with only 8.4 rainy days. There are 120.2 rainy days annually in Mundelein, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

January is the rainiest month in Kennewick with 11.5 days of rain, and August is the driest month with only 2.3 rainy days. There are 82.8 rainy days annually in Kennewick, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 38% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 40.6 inches in Mundelein means that it is one of the snowiest places in Illinois.

An annual snowfall of 3.5 inches in Kennewick means that it is less snowy than most places in Washington.

January is the snowiest month in Mundelein with 12.2 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Kennewick with 1.4 inches of snow, and 3 months of the year have significant snowfall.