Chattanooga, Tennessee 

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Climate in Chattanooga, Tennessee

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.


SPERLING'S COMFORT INDEX
Chattanooga ranks 63/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


YOU SHOULD KNOW

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.

CLIMATE

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
  89.0°85.8°
  28.9°21.7°
  6354
  4.74.3
  676 ft.2443 ft.

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 Chattanooga with an average of 28.9°. This is one of the warmest 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 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.


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.


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.


CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Chattanooga    56 Reviews
    Eh - 3/18/2019
    Lived here almost 10 years. Unless you're born and raised/WASP good luck feeling like you fit in...boring town with traffic getting worse, no good shopping, it smells... Read More

    Start Your Review of Chattanooga


    No thanks. - 2/19/2019
    No job opportunities for college grads. One of the worst climates in America for allergy sufferers. Backwards, low-rent industrialized and country/gentrified community... Read More

    Can’t wait to relocate - 2/13/2019
    We are moving there this summer based on many relocation trips, how the city makes us feel, the people and the quality of life based in weather and things to do. Cannot... Read More


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    37421, 37343, 37415, 37411, 37405, 37416, 37406, 37404, 37407, 37403, ... 16 more

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