2025 Compare Climate & Weather:
Lemont, IL vs Jonesborough, TN

Highlights

On average, there are 201 sunny days per year in Jonesborough. Lemont averages 187 sunny days per year. The US average is 205 sunny days.

Jonesborough, Tennessee gets 43.8 inches of rain, on average, per year. Lemont, Illinois gets 39.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Jonesborough averages 10.7 inches of snow per year. Lemont averages 29.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Jonesborough, Tennessee
Summer High: the July high is around 85.5 degrees
Winter Low: the January low is 25.5
Rain: averages 43.8 inches of rain a year
Snow: averages 10.7 inches of snow a year

Lemont, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 15.1
Rain: averages 39.4 inches of rain a year
Snow: averages 29.9 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Lemont, IL

70°F

Today's Weather - Jonesborough, TN

66°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lemont / Jonesborough

July is the hottest month for Lemont with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Lemont, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lemont are June, September and August.

July is the hottest month for Jonesborough with an average high temperature of 85.5°, which ranks it as cooler than most places in Tennessee. In Jonesborough, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jonesborough are September, May and June.

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

January has the coldest nighttime temperatures for Jonesborough with an average of 25.5°. This is colder than most places in Tennessee.

In Lemont, there are 8.2 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Jonesborough, there are 14.5 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

In Lemont, there are 135.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Jonesborough, there are 94.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Lemont, there are 5.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

In Jonesborough, there are 0.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Tennessee.

August is the wettest month in Lemont with 4.3 inches of rain, and the driest month is February with 1.8 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 39.4 inches in Lemont means that it is about average compared to other places in Illinois.


July is the wettest month in Jonesborough with 5.3 inches of rain, and the driest month is October with 2.2 inches. The wettest season is Autumn with 32% of yearly precipitation and 19% occurs in Winter, which is the driest season. The annual rainfall of 43.8 inches in Jonesborough means that it is one of the driest places in Tennessee.

May is the rainiest month in Lemont with 12.3 days of rain, and September is the driest month with only 8.0 rainy days. There are 120.7 rainy days annually in Lemont, 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 22% chance of a rainy day.

July is the rainiest month in Jonesborough with 12.9 days of rain, and October is the driest month with only 8.3 rainy days. There are 134.7 rainy days annually in Jonesborough, which is one of the rainiest places in Tennessee. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 29.9 inches in Lemont means that it is snowier than most places in Illinois.

An annual snowfall of 10.7 inches in Jonesborough means that it is one of the snowiest places in Tennessee.

January is the snowiest month in Lemont with 10.2 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Jonesborough with 3.9 inches of snow, and 5 months of the year have significant snowfall.