2025 Compare Climate & Weather:
Johnson City, TN vs Chattanooga, TN

Highlights

On average, there are 207 sunny days per year in Chattanooga. Johnson City averages 201 sunny days per year. The US average is 205 sunny days.

Chattanooga, Tennessee gets 51.1 inches of rain, on average, per year. Johnson City, Tennessee gets 43.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chattanooga averages 1.5 inches of snow per year. Johnson City averages 10.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chattanooga, Tennessee
Summer High: the July high is around 89 degrees
Winter Low: the January low is 28.9
Rain: averages 51.1 inches of rain a year
Snow: averages 1.5 inches of snow a year

Johnson City, Tennessee
Summer High: the July high is around 85.5 degrees
Winter Low: the January low is 25.5
Rain: averages 43.7 inches of rain a year
Snow: averages 10.9 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Johnson City, TN

64°F

Today's Weather - Chattanooga, TN

72°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Johnson City / Chattanooga

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

July is the hottest month for Chattanooga with an average high temperature of 89.0°, which ranks it as warmer than most places in Tennessee. In Chattanooga, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chattanooga are May, September and October.

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

January has the coldest nighttime temperatures for Chattanooga with an average of 28.9°. This is one of the warmest places in Tennessee.

In Johnson City, there are 14.7 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

In Chattanooga, there are 39.0 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In Johnson City, there are 94.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Chattanooga, there are 71.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Tennessee.

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

In Chattanooga, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Tennessee.

July is the wettest month in Johnson City with 5.2 inches of rain, and the driest month is October with 2.2 inches. The wettest season is Autumn with 31% of yearly precipitation and 19% occurs in Winter, which is the driest season. The annual rainfall of 43.7 inches in Johnson City means that it is one of the driest places in Tennessee.


December is the wettest month in Chattanooga with 4.9 inches of rain, and the driest month is October with 3.2 inches. The wettest season is Spring with 29% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 51.1 inches in Chattanooga means that it is drier than most places in Tennessee.

July is the rainiest month in Johnson City with 12.9 days of rain, and October is the driest month with only 8.4 rainy days. There are 134.8 rainy days annually in Johnson City, 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.

December is the rainiest month in Chattanooga with 9.2 days of rain, and October is the driest month with only 6.3 rainy days. There are 99.0 rainy days annually in Chattanooga, which is one of the least rainy places in Tennessee. The rainiest season is Spring when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 10.9 inches in Johnson City means that it is one of the snowiest places in Tennessee.

An annual snowfall of 1.5 inches in Chattanooga means that it is one of the least snowy places in Tennessee.

January is the snowiest month in Johnson City with 4.0 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Chattanooga with 0.6 inches of snow, and 1 month of the year have significant snowfall.