Summertown, TN has a mild climate with warm summers and cool winters. The days are often sunny, and the nights are clear and peaceful. The summer months of June through August can be quite hot and humid, with temperatures typically reaching the mid-80s Fahrenheit. In the winter months from December to February, temperatures generally stay in the low 40s Fahrenheit. Rainfall is moderate throughout the year, averaging about 45 inches per year.
Summertown, Tennessee gets 59 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Summertown averages 3 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Summertown. The US average is 205 sunny days.
Summertown gets some kind of precipitation, on average, 107 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 26
Rain: averages 59 inches of rain a year
Snow: averages 3 inches of snow a year