DeKalb County, Tennessee has a humid subtropical climate with hot summers and mild winters. The temperatures range from an average high of 88°F in the summer to an average low of 32°F in the winter. Rainfall is abundant throughout the year with the heaviest rainfall occurring during spring and summer months. Snowfall is rare and usually does not last for long periods of time. Humidity levels are generally high. Autumn months bring beautiful foliage, cool temperatures, and lower humidity levels that make it a great time to visit DeKalb County.
DeKalb County, Tennessee gets 54 inches of rain, on average, per year. The US average is 38 inches of rain per year.
DeKalb County averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in DeKalb County. The US average is 205 sunny days.
DeKalb County gets some kind of precipitation, on average, 118 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 89 degrees
Winter Low: the January low is 27
Rain: averages 54 inches of rain a year
Snow: averages 5 inches of snow a year