Knoxville (TN), United States of America - Weather and Climate
The weather in Knoxville, Tennessee, United States of America, can vary greatly throughout the year.
Temperatures shift from very warm
to cold over the course of the year.
It also has a notably wet climate with much precipitation.
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 Knoxville. Average maximum daytime temperatures range from a very warm 31°C in August, the warmest time of the year, to a chilly 8°C during cooler months like January.
At night, temperatures typically drop to an average of around -2°C during these months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Knoxville has a relatively rain/snowy climate with high precipitation levels, averaging 1312 mm of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 147 mm of precipitation, spread over 13 rainy days.
In contrast, October experiences a drier climate, with about 79 mm of rainfall spread across 9 rainy days.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
Seasonal changes in sunshine hours are quite dramatic in Knoxville. While June receives considerable daily sunshine with up to 9.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.2 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 Knoxville.
The city experiences its highest humidity in July, reaching 76%. In April, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Knoxville (TN)
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Knoxville in the United States of America
During the months of April, May 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 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 8°C.
December tops the wettest month list with 147 mm of rainfall.
October is the driest month with 79 mm of precipitation.
June is the sunniest month with an average of 290 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.
