Decatur, TN (37322) is located in the southeastern United States, and boasts a humid subtropical climate. Summers are often hot and humid, with temperatures averaging in the mid-80s. Winters are mild, with average temperatures falling between the high 30s to mid 50s Fahrenheit. Rainfall is moderate throughout the year, although there can be significant variation in yearly amounts depending on the season. The area receives around four inches of snow each winter, which typically melts away fairly quickly. Additionally, Decatur experiences severe thunderstorms during certain parts of the year that can bring heavy wind and rain.
Decatur (zip 37322), Tennessee gets 56 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decatur (zip 37322) averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 210 sunny days per year in Decatur (zip 37322). The US average is 205 sunny days.
Decatur (zip 37322) gets some kind of precipitation, on average, 123 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 56 inches of rain a year
Snow: averages 4 inches of snow a year