Chattanooga Metro Area, Tennessee 

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United States / Tennessee / Chattanooga Metro Area / Counties / Cities / Zip Codes

Climate in Chattanooga Metro Area, Tennessee

Chattanooga Metro Area, Tennessee gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 213 sunny days per year in Chattanooga Metro Area. The US average is 205 sunny days.

Chattanooga Metro Area gets some kind of precipitation, on average, 104 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 88 degrees
Winter Low: the January low is 28
Rain: averages 53 inches of rain a year
Snow: averages 2 inches of snow a year


SPERLING'S COMFORT INDEX
Chattanooga Metro Area ranks 60/100 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.

CLIMATE

Climate Averages
  Chattanooga, TennesseeUnited States
  52.6 in.38.1 in.
  1.9 in.27.8 in.
  104.1 days106.2 days
  213 days205 days
  88.4°85.8°
  28.4°21.7°
  6054
  4.64.3
  1188 ft.2443 ft.

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.


July is the hottest month for the Chattanooga metro area with an average high temperature of 88.4°, which ranks it as about average compared to other places in Tennessee. In the Chattanooga metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Chattanooga metro area are May, September and October.


January has the coldest nighttime temperatures for the Chattanooga metro area with an average of 28.4°. This is warmer than most places in Tennessee.


In the Chattanooga metro area, there are 34.1 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.


In the Chattanooga metro area, there are 73.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Tennessee.


In the Chattanooga metro area, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.


December is the wettest month in the Chattanooga metro area with 5.1 inches of rain, and the driest month is October with 3.3 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 52.6 inches in the Chattanooga metro area means that it is drier than most places in Tennessee.


December is the rainiest month in the Chattanooga metro area with 9.6 days of rain, and October is the driest month with only 6.6 rainy days. There are 104.1 rainy days annually in the Chattanooga metro area, which is one of the least rainy places in Tennessee. The rainiest season is Spring when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.


An annual snowfall of 1.9 inches in the Chattanooga metro area means that it is one of the least snowy places in Tennessee.



January is the snowiest month in the Chattanooga metro area with 0.8 inches of snow, and 2 months of the year have significant snowfall.


CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    MAPS OF CHATTANOOGA METRO AREA, TENNESSEE
    ZIP CODES IN CHATTANOOGA METRO AREA, TENNESSEE
    37421, 37343, 37363, 37379, 37415, 37412, 37411, 37405, 37377, 37416, ... 33 more

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