2025 Compare Climate & Weather:
Knoxville, TN vs Houston, TX

Highlights

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

Houston, Texas gets 53 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.

Houston averages 0 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

Houston, Texas
Summer High: the July high is around 93 degrees
Winter Low: the January low is 43.4
Rain: averages 53 inches of rain a year
Snow: averages 0 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 Houston is 6.6 (10=best), which means it is less comfortable than most places in Texas.

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

69°F

Today's Weather - Houston, TX

80°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Knoxville / Houston

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 Houston with an average high temperature of 93.6°, which ranks it as cooler than most places in Texas. In Houston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Houston are April, October and November.

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 Houston with an average of 43.4°. This is warmer than most places in Texas.

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

In Houston, there are 95.9 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.

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 Houston, there are 7.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

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 Houston, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

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.


June is the wettest month in Houston with 6.2 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 53.0 inches in Houston means that it is one of the wettest places in Texas.

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.

June is the rainiest month in Houston with 9.3 days of rain, and April is the driest month with only 5.7 rainy days. There are 90.0 rainy days annually in Houston, which is rainier than most places in Texas. The rainiest season is Autumn when it rains 28% of the time and the driest is Summer with only a 22% chance of a rainy day.

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

There is rarely any recorded snowfall in Houston, ranking it as one of the least snowy places in Texas.

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

Any measurable snowfall is a rare occurance in Houston.