The climate in 37650 Erwin, TN is generally mild, with hot humid summers and cool to cold winters. During the summer months temperatures typically range from the mid-80s to low 90s during the day and can drop into the 60s at night. During the winter months temperatures usually range from the low 30s in the morning to the mid-50s during the afternoon. Rainfall is fairly evenly distributed throughout the year, with an average annual total of around 46 inches.
Erwin (zip 37650), Tennessee gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Erwin (zip 37650) averages 10 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Erwin (zip 37650). The US average is 205 sunny days.
Erwin (zip 37650) gets some kind of precipitation, on average, 135 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 86 degrees
Winter Low: the January low is 26
Rain: averages 44 inches of rain a year
Snow: averages 10 inches of snow a year