Weather
When To Travel To Chattanooga:
Based on the tourism score, the best times of year to visit Chattanooga for warm-weather activities are from mid May to mid June and from mid August to early October.
Summer Average:
The hot season lasts for 3.8 months, from May 24 to September 18, with an average daily high temperature above 81°F. The hottest day of the year is July 20, with an average high of 89°F and low of 71°F.
Winter Average:
The cool season lasts for 2.9 months, from November 27 to February 25, with an average daily high temperature below 58°F. The coldest day of the year is January 26, with an average low of 33°F and high of 50°F.
Average Rain Fall:
Rain falls throughout the year in Chattanooga. The most rain falls during the 31 days centered around December 1, with an average total accumulation of 4.9 inches. The least rain falls around August 21, with an average total accumulation of 2.8 inches.