2025 Compare Climate & Weather:
Mokena, IL vs Wilmington, DE

Highlights

On average, there are 199 sunny days per year in Wilmington. Mokena averages 187 sunny days per year. The US average is 205 sunny days.

Wilmington, Delaware gets 44.7 inches of rain, on average, per year. Mokena, Illinois gets 40.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Wilmington averages 13 inches of snow per year. Mokena averages 29.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Wilmington, Delaware
Summer High: the July high is around 86.1 degrees
Winter Low: the January low is 25.2
Rain: averages 44.7 inches of rain a year
Snow: averages 13 inches of snow a year

Mokena, Illinois
Summer High: the July high is around 84 degrees
Winter Low: the January low is 16
Rain: averages 40.1 inches of rain a year
Snow: averages 29.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Wilmington is 7.3 (10=best), which means it is about average compared to other places in Delaware.

The annual BestPlaces Comfort Index for Mokena is 6.9 (10=best), which means it is less comfortable than most places in Illinois.

Today's Weather - Mokena, IL

61°F

Today's Weather - Wilmington, DE

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mokena / Wilmington

July is the hottest month for Mokena with an average high temperature of 84.0°, which ranks it as cooler than most places in Illinois. In Mokena, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mokena are September, June and August.

July is the hottest month for Wilmington with an average high temperature of 86.1°, which ranks it as cooler than most places in Delaware. In Wilmington, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wilmington are September, June and May.

January has the coldest nighttime temperatures for Mokena with an average of 16.0°. This is about average compared to other places in Illinois.

January has the coldest nighttime temperatures for Wilmington with an average of 25.2°. This is colder than most places in Delaware.

In Mokena, there are 12.3 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Wilmington, there are 18.1 days annually when the high temperature is over 90°, which is one of the coolest places in Delaware.

In Mokena, there are 121.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In Wilmington, there are 84.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Delaware.

In Mokena, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

In Wilmington, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Delaware.

August is the wettest month in Mokena with 4.5 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Autumn with 33% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 40.1 inches in Mokena means that it is wetter than most places in Illinois.


July is the wettest month in Wilmington with 4.9 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 44.7 inches in Wilmington means that it is drier than most places in Delaware.

May is the rainiest month in Mokena with 12.5 days of rain, and February is the driest month with only 8.2 rainy days. There are 123.3 rainy days annually in Mokena, which is one of the rainiest 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.

April is the rainiest month in Wilmington with 10.5 days of rain, and August is the driest month with only 7.8 rainy days. There are 110.4 rainy days annually in Wilmington, which is less rainy than most places in Delaware. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 29.8 inches in Mokena means that it is snowier than most places in Illinois.

An annual snowfall of 13.0 inches in Wilmington means that it is about average compared to other places in Delaware.

January is the snowiest month in Mokena with 9.8 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Wilmington with 4.8 inches of snow, and 4 months of the year have significant snowfall.