The most pleasant months of the year for Chattanooga are May, September and October. In Chattanooga, there are 4 comfortable months with high temperatures in the range of 70-85°. 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. January is the snowiest month in Chattanooga with 0.6 inches of snow, and 1 month of the year have significant snowfall. The most uncomfortably humid months are July, August and June.
Today's Weather - Chattanooga, TN
5 AM PST
Partly Sunny then Chance Showers And Thunderstorms
|7 DAY FORECAST||DESCRIPTION||HIGH/LOW||WIND|
|Today||Partly Sunny then Chance Showers And Thunderstorms||91° / 74°||W 0 to 5 mph|
|Saturday||Showers And Thunderstorms Likely||91° / 74°||S 0 to 10 mph|
|Sunday||Showers And Thunderstorms Likely||89° / 73°||SW 0 to 10 mph|
|Monday||Showers And Thunderstorms Likely||85° / 70°||W 0 to 5 mph|
|Tuesday||Showers And Thunderstorms Likely||82° / 66°||N 0 to 5 mph|
|Wednesday||Mostly Sunny||86° / 65°||NE 5 mph|
|Thursday||Slight Chance Rain Showers||87° / 68°||NE 0 to 5 mph|
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
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the Chattanooga area is 7.5 (10=best), which means it is more comfortable than most places in Tennessee.
7.5 / 10
A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. 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.
Average Monthly High and Low (°F)
Hot, Freezing, Rainy, Snowy Days: Chattanooga
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.