The climate in Maryville, TN (37803) is generally mild and pleasant for much of the year. Summers are warm, with temperatures reaching an average high of 88°F in July and August. Winters are fairly mild with temperatures rarely dropping below freezing. Average annual precipitation is about 45 inches, most of which falls from April through October. Spring and fall tend to be the wettest seasons, while December through March are generally dryer months.
Maryville (zip 37803), Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Maryville (zip 37803) averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Maryville (zip 37803). The US average is 205 sunny days.
Maryville (zip 37803) gets some kind of precipitation, on average, 131 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 28
Rain: averages 51 inches of rain a year
Snow: averages 6 inches of snow a year