Greenbrier, TN has a humid subtropical climate. The summers are hot and humid with average temperatures in the 80s and 90s, while winters are mild with average temperatures in the 40s and 50s. The area gets an average of 43 inches of rain per year with the wettest months being April, May, and October. Snowfall is fairly light, usually ranging from a few inches to up to 10 or 12 inches in some years.
Greenbrier, Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Greenbrier averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Greenbrier. The US average is 205 sunny days.
Greenbrier gets some kind of precipitation, on average, 112 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 88 degrees
Winter Low: the January low is 26
Rain: averages 51 inches of rain a year
Snow: averages 5 inches of snow a year