The climate in 37870 Speedwell, TN is typically hot and humid during the summer months with temperatures reaching into the 90s. Winters are mild but can become cold at times, with temperatures usually staying around 40-50 degrees Fahrenheit. Spring and fall are generally pleasant seasons with comfortable temperatures and moderate levels of precipitation. Rainfall amounts throughout the year range from moderate to high, providing ample moisture for the local vegetation.
Speedwell (zip 37870), Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Speedwell (zip 37870) averages 9 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Speedwell (zip 37870). The US average is 205 sunny days.
Speedwell (zip 37870) gets some kind of precipitation, on average, 130 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 87 degrees
Winter Low: the January low is 24
Rain: averages 51 inches of rain a year
Snow: averages 9 inches of snow a year