Fort Mill, SC has a temperate climate, with four distinct seasons. Summers are hot and humid with temperatures reaching over 90°F (32°C), while winters are generally mild and cold. Spring and fall are pleasant, bringing rainshowers and cooler temperatures. Average annual snowfall is around 2 inches (5 cm). The area experiences plenty of sunshine throughout the year, peaking in the summer months.
Fort Mill, South Carolina gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Fort Mill averages 3 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Fort Mill. The US average is 205 sunny days.
Fort Mill gets some kind of precipitation, on average, 99 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 90 degrees
Winter Low: the January low is 31
Rain: averages 44 inches of rain a year
Snow: averages 3 inches of snow a year