Rockhill, PA has a humid continental climate with four distinct seasons. Summers are hot and humid, with temperatures ranging from the mid-60s to the mid-80s depending on the day. Winter months bring cold temperatures and the occasional snowfall, although the majority of snow usually falls between December and February. Spring time sees mild temperatures in the 40s to mid-60s and plenty of rainfall while fall months bring cool breezes and pleasant temperatures in the 50s to low 70s. The area sees an average of 38 inches of rain each year which helps keep it lush and green throughout the year.
Rockhill, Pennsylvania gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockhill averages 27 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Rockhill. The US average is 205 sunny days.
Rockhill gets some kind of precipitation, on average, 121 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 85 degrees
Winter Low: the January low is 20
Rain: averages 40 inches of rain a year
Snow: averages 27 inches of snow a year