29153 Sumter, SC has a humid subtropical climate with hot and humid summers and mild winters. Located in the southeastern part of the state, the city experiences a long growing season that makes it ideal for agricultural products such as cotton, tobacco, and peaches. The average daily high in the summer is around 91°F (33°C) with heat index values reaching up to 102°F (39°C). In winter months, temperatures remain relatively mild with an average daily high of 59°F (15°C). The area averages about 44 inches (111 cm) of precipitation per year with late spring/early summer being the rainiest period.
Sumter (zip 29153), South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sumter (zip 29153) averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Sumter (zip 29153). The US average is 205 sunny days.
Sumter (zip 29153) gets some kind of precipitation, on average, 104 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 92 degrees
Winter Low: the January low is 34
Rain: averages 48 inches of rain a year
Snow: averages 1 inches of snow a year