2025 Compare Climate & Weather:
Cookeville, TN vs Westmont, IL

Highlights

On average, there are 187 sunny days per year in Westmont. Cookeville averages 208 sunny days per year. The US average is 205 sunny days.

Westmont, Illinois gets 38.7 inches of rain, on average, per year. Cookeville, Tennessee gets 53.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Westmont averages 31.2 inches of snow per year. Cookeville averages 5.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Westmont, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 15.7
Rain: averages 38.7 inches of rain a year
Snow: averages 31.2 inches of snow a year

Cookeville, Tennessee
Summer High: the July high is around 87.7 degrees
Winter Low: the January low is 26.1
Rain: averages 53.8 inches of rain a year
Snow: averages 5.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Cookeville is 7.4 (10=best), which means it is more comfortable than most places in Tennessee.

Today's Weather - Cookeville, TN

54°F

Today's Weather - Westmont, IL

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Cookeville / Westmont

July is the hottest month for Cookeville with an average high temperature of 87.7°, which ranks it as cooler than most places in Tennessee. In Cookeville, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cookeville are May, September and October.

July is the hottest month for Westmont with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Westmont, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westmont are June, September and August.

January has the coldest nighttime temperatures for Cookeville with an average of 26.1°. This is about average compared to other places in Tennessee.

January has the coldest nighttime temperatures for Westmont with an average of 15.7°. This is colder than most places in Illinois.

In Cookeville, there are 27.1 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

In Westmont, there are 9.5 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Cookeville, there are 91.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Westmont, there are 132.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Cookeville, there are 0.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Tennessee.

In Westmont, there are 5.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

December is the wettest month in Cookeville with 5.5 inches of rain, and the driest month is October with 3.1 inches. The wettest season is Spring with 28% of yearly precipitation and 21% occurs in Winter, which is the driest season. The annual rainfall of 53.8 inches in Cookeville means that it is about average compared to other places in Tennessee.


August is the wettest month in Westmont with 4.3 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 38.7 inches in Westmont means that it is about average compared to other places in Illinois.

May is the rainiest month in Cookeville with 11.7 days of rain, and September is the driest month with only 7.6 rainy days. There are 118.6 rainy days annually in Cookeville, which is about average compared to other places in Tennessee. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in Westmont with 11.8 days of rain, and February is the driest month with only 8.2 rainy days. There are 120.2 rainy days annually in Westmont, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 5.4 inches in Cookeville means that it is snowier than most places in Tennessee.

An annual snowfall of 31.2 inches in Westmont means that it is snowier than most places in Illinois.

February is the snowiest month in Cookeville with 2.3 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Westmont with 10.4 inches of snow, and 6 months of the year have significant snowfall.