Chattanooga (TN) Weather and Climate: A Comprehensive Guide
The temperature in Chattanooga can vary greatly throughout the year.
The temperatures shift from very warm
to cold.
It also experiences much rain/snowfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Chattanooga. Average daytime temperatures reach a very warm 32°C in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C.
At night, you can expect cooler temperatures, with averages dropping to around -1°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Chattanooga has a relatively rain/snowy climate with high precipitation levels, averaging 1365 mm of rain/snowfall annually. Chattanooga experiences moderate seasonal variation in rainfall, with monthly averages ranging from 155 mm in December, the wettest month, and 84 mm in June, the driest month.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Chattanooga can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Chattanooga.
The city experiences its highest humidity in September, reaching 77%. In April, the humidity drops to its lowest level at 63%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain almost clear and no rain broken clouds and no rainForecast for Chattanooga (TN)
3 m/s
1 m/s
2 m/s
The best time of year to visit Chattanooga in the United States of America
During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 10°C.
December tops the wettest month list with 155 mm of rainfall.
June is the driest month with 84 mm of precipitation.
May is the sunniest month with an average of 277 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
