Germantown, TN, with the zip code 38138, has a humid subtropical climate. Winters are generally mild and wet with occasional cold snaps and snowfall. Summers are hot and humid with frequent thunderstorms. The highest temperatures occur in July and August when temperatures can reach into the mid-90s (F). The colder months of December and January tend to have more moderate temperatures in the upper 40s to low 50s (F). Rainfall is abundant throughout the year.
Germantown (zip 38138), Tennessee gets 55 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Germantown (zip 38138) averages 3 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 214 sunny days per year in Germantown (zip 38138). The US average is 205 sunny days.
Germantown (zip 38138) gets some kind of precipitation, on average, 111 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 91 degrees
Winter Low: the January low is 29
Rain: averages 55 inches of rain a year
Snow: averages 3 inches of snow a year