2025 Compare Climate & Weather:
Wheaton, IL vs Franklin, TN

Highlights

On average, there are 211 sunny days per year in Franklin. Wheaton averages 186 sunny days per year. The US average is 205 sunny days.

Franklin, Tennessee gets 53.2 inches of rain, on average, per year. Wheaton, Illinois gets 38.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Franklin averages 3.6 inches of snow per year. Wheaton averages 29.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Franklin, Tennessee
Summer High: the July high is around 89.5 degrees
Winter Low: the January low is 26.3
Rain: averages 53.2 inches of rain a year
Snow: averages 3.6 inches of snow a year

Wheaton, Illinois
Summer High: the July high is around 84.2 degrees
Winter Low: the January low is 15
Rain: averages 38.6 inches of rain a year
Snow: averages 29.8 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Wheaton, IL

48°F

Today's Weather - Franklin, TN

69°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Wheaton / Franklin

July is the hottest month for Wheaton with an average high temperature of 84.2°, which ranks it as cooler than most places in Illinois. In Wheaton, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wheaton are June, September and August.

July is the hottest month for Franklin with an average high temperature of 89.5°, which ranks it as warmer than most places in Tennessee. In Franklin, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Franklin are May, September and October.

January has the coldest nighttime temperatures for Wheaton with an average of 15.0°. This is colder than most places in Illinois.

January has the coldest nighttime temperatures for Franklin with an average of 26.3°. This is about average compared to other places in Tennessee.

In Wheaton, there are 9.3 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Franklin, there are 42.1 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In Wheaton, there are 138.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Franklin, there are 88.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Wheaton, there are 5.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

In Franklin, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Tennessee.

August is the wettest month in Wheaton with 4.2 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Autumn with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 38.6 inches in Wheaton means that it is about average compared to other places in Illinois.


May is the wettest month in Franklin with 5.9 inches of rain, and the driest month is October with 3.4 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 53.2 inches in Franklin means that it is about average compared to other places in Tennessee.

May is the rainiest month in Wheaton with 11.9 days of rain, and September is the driest month with only 8.0 rainy days. There are 119.2 rainy days annually in Wheaton, 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.

May is the rainiest month in Franklin with 11.7 days of rain, and September is the driest month with only 8.1 rainy days. There are 121.6 rainy days annually in Franklin, which is rainier than most places in Tennessee. 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 Wheaton means that it is snowier than most places in Illinois.

An annual snowfall of 3.6 inches in Franklin means that it is about average compared to other places in Tennessee.

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

January is the snowiest month in Franklin with 1.6 inches of snow, and 3 months of the year have significant snowfall.