Summerville, South Carolina gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Summerville averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 209 sunny days per year in Summerville. The US average is 205 sunny days.
Summerville 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.
Summer High: the July high is around 92 degrees
Winter Low: the January low is 35
Rain: averages 51 inches of rain a year
Snow: averages 1 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Summerville is 7.3 (10=best), which means it is less comfortable than most places in South Carolina.
7.3 / 10
October, May and April are the most pleasant months in Summerville, while July and August are the least comfortable months.