Grimsley, TN has a mild climate year-round with mild winters and hot summers. The average temperature in July is 81.3 degrees Fahrenheit and the average temperature in January is 40 degrees Fahrenheit. Rainfall is somewhat consistent throughout the year, with February being the wettest month at an average of 5 inches of rain and October being the driest month at an average of 2.6 inches of rain. Snowfall in Grimsley is rare and usually only occurs during the winter months when temperatures drop below freezing, but averages about 3 inches per year.
Grimsley (zip 38565), Tennessee gets 57 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grimsley (zip 38565) averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Grimsley (zip 38565). The US average is 205 sunny days.
Grimsley (zip 38565) gets some kind of precipitation, on average, 138 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 84 degrees
Winter Low: the January low is 25
Rain: averages 57 inches of rain a year
Snow: averages 16 inches of snow a year