Chattanooga, Tennessee 

60 Reviews | Review This Place | Photos and Maps

Subscription Benefits

Download our City ReportsDownload our City Reports

Climate in Chattanooga, Tennessee

Chattanooga, TN has a humid subtropical climate with warm and humid summers and mild winters. The average high temperature in July is 87°F (31°C) and the average low temperature in January is 33°F (1°C). Precipitation is fairly consistent throughout the year, averaging around 50 inches (127 cm) per year. Snowfall can be quite heavy in winter, sometimes reaching up to 15 inches (38 cm). Despite its location in the South, Chattanooga does experience some cooler temperatures during winter months due to its higher elevation of 675 feet (206 m).

Chattanooga, Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chattanooga averages 2 inches of snow per year. The US average is 28 inches of snow per year.

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

Chattanooga gets some kind of precipitation, on average, 99 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 29
Rain: averages 51 inches of rain a year
Snow: averages 2 inches of snow a year


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

6.8 / 6.5

Summer   /   Winter
May, September and October are the most pleasant months in Chattanooga, while January and July are the least comfortable months.

Climate Averages
  Chattanooga, TennesseeUnited States
  51.1 in.38.1 in.
  1.5 in.27.8 in.
  99.0 days106.2 days
  207 days205 days
  676 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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.

In Chattanooga, there are 39.0 days annually when the high temperature is over 90°, which is hotter 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 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 Chattanooga, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Tennessee.

Humidity in Chattanooga can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

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.

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 1.5 inches in Chattanooga means that it is one of the least snowy places in Tennessee. January is the snowiest month in Chattanooga with 0.6 inches of snow, and 1 month of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
Select Map Options
  • Annual Rainfall
  • Annual Snowfall
  • Precipitation Days
  • Sunny Days
  • July High Temp
  • January Low Temp
  • Reset Map

  • View More Data >

    Reviews for Chattanooga    60 Reviews
    Moving East - 6/27/2021
    Moved to Chattanooga from the San Francisco Bay area. It was a hard one but after losing much in the 2017, 2018, 2019 annual wildfire festival of California I got tired... Read More

    Start Your Review of Chattanooga

    Let's get real about Chattanooga. - 3/17/2021
    I feel like the crime in Chattanooga gets glossed over in most reviews. Lived here virtually my entire life and I will truly miss the golden sunrises against the... Read More

    “There”s a song for you in Tennessee “ - 1/1/2021
    I live in nearby Cleveland TN where I have lived for 20 years. I like to shop and visit Chattanooga as there is a lot to do but they do have a very high crime rate. ... Read More

    View More Data >

    Compare Chattanooga, Tennessee to any other place in the USA.

    Check out the latest Maps in a variety of categories including cost of living, population, and commute time. You can also use our New Interactive Map to explore places.Chattanooga,Tennessee Map
    37421, 37343, 37415, 37411, 37405, 37416, 37406, 37404, 37407, 37403, ... 16 more


    Members receive 10 FREE city profile downloads a month, unlimited access to our detailed cost of living calculator and analysis, downloadable reports, and more.

    Try Now
    Join BestPlaces