Sumner County, Tennessee gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sumner County averages 4 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 Sumner County. The US average is 205 sunny days.
Sumner County gets some kind of precipitation, on average, 113 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.
Summer High: the July high is around 89 degrees
Winter Low: the January low is 26
Rain: averages 52 inches of rain a year
Snow: averages 4 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Sumner County is 7.3 (10=best), which means it is about average compared to other places in Tennessee.
7.2 / 6
Summer / Winter
September, May and October are the most pleasant months in Sumner County, while January and December are the least comfortable months.