2025 Compare Climate & Weather:
Knoxville, TN vs Mount Vernon, AR

Highlights

On average, there are 223 sunny days per year in Mount Vernon. Knoxville averages 204 sunny days per year. The US average is 205 sunny days.

Mount Vernon, Arkansas gets 50.2 inches of rain, on average, per year. Knoxville, Tennessee gets 50.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mount Vernon averages 2.8 inches of snow per year. Knoxville averages 5.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mount Vernon, Arkansas
Summer High: the July high is around 91.1 degrees
Winter Low: the January low is 25.4
Rain: averages 50.2 inches of rain a year
Snow: averages 2.8 inches of snow a year

Knoxville, Tennessee
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 27.9
Rain: averages 50.3 inches of rain a year
Snow: averages 5.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Mount Vernon is 7.2 (10=best), which means it is more comfortable than most places in Arkansas.

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

Today's Weather - Knoxville, TN

61°F

Today's Weather - Mount Vernon, AR

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Knoxville / Mount Vernon

July is the hottest month for Knoxville with an average high temperature of 88.1°, which ranks it as cooler than most places in Tennessee. In Knoxville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Knoxville are May, September and October.

August is the hottest month for Mount Vernon with an average high temperature of 91.4°, which ranks it as about average compared to other places in Arkansas. In Mount Vernon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Vernon are May, October and September.

January has the coldest nighttime temperatures for Knoxville with an average of 27.9°. This is warmer than most places in Tennessee.

January has the coldest nighttime temperatures for Mount Vernon with an average of 25.4°. This is colder than most places in Arkansas.

In Knoxville, there are 29.7 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

In Mount Vernon, there are 52.4 days annually when the high temperature is over 90°, which is cooler than most places in Arkansas.

In Knoxville, there are 78.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Tennessee.

In Mount Vernon, there are 87.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arkansas.

In Knoxville, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

In Mount Vernon, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Arkansas.

July is the wettest month in Knoxville with 5.2 inches of rain, and the driest month is October with 2.7 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 50.3 inches in Knoxville means that it is drier than most places in Tennessee.


November is the wettest month in Mount Vernon with 5.1 inches of rain, and the driest month is August with 2.9 inches. The wettest season is Summer with 29% of yearly precipitation and 20% occurs in Autumn, which is the driest season. The annual rainfall of 50.2 inches in Mount Vernon means that it is about average compared to other places in Arkansas.

March is the rainiest month in Knoxville with 12.0 days of rain, and September is the driest month with only 8.1 rainy days. There are 127.3 rainy days annually in Knoxville, which is rainier than most places in Tennessee. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in Mount Vernon with 9.8 days of rain, and August is the driest month with only 6.5 rainy days. There are 92.9 rainy days annually in Mount Vernon, which is less rainy than most places in Arkansas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 5.8 inches in Knoxville means that it is snowier than most places in Tennessee.

An annual snowfall of 2.8 inches in Mount Vernon means that it is about average compared to other places in Arkansas.

January is the snowiest month in Knoxville with 2.4 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Mount Vernon with 1.4 inches of snow, and 2 months of the year have significant snowfall.