Grainger County, Tennessee gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grainger County averages 10 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Grainger County. The US average is 205 sunny days.
Grainger County gets some kind of precipitation, on average, 134 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 87 degrees
Winter Low: the January low is 26
Rain: averages 47 inches of rain a year
Snow: averages 10 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Grainger County is 7.3 (10=best), which means it is about average compared to other places in Tennessee.
7.3 / 10
September, May and October are the most pleasant months in Grainger County, while January and December are the least comfortable months.