Portland, TN has a humid subtropical climate with hot summers and cool winters. The city occasionally experiences thunderstorms in the summer months and snowfall during the winter. Average temperatures range from around 47°F in January to around 87°F in July and August. The area usually receives around 43 inches of rainfall each year, primarily during the late spring and early fall. Portland enjoys more than 200 days of sunshine each year, making it a great place to enjoy outdoor activities such as hiking, biking, fishing, or simply enjoying the views.
Portland, Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Portland averages 5 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 Portland. The US average is 205 sunny days.
Portland gets some kind of precipitation, on average, 112 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 51 inches of rain a year
Snow: averages 5 inches of snow a year