Shirley, PA has a humid continental climate with hot summers and cold winters. It experiences four distinct seasons with temperatures ranging from mild to hot in the summer and cold to frigid in the winter. Precipitation is abundant during all seasons, though it becomes slightly more frequent during late fall and early winter. Snow is common during the winter months, and the average snowfall is around 2 inches per month. The area also experiences high humidity levels, which can make the summer weather feel oppressive at times.
Shirley, Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Shirley averages 25 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 Shirley. The US average is 205 sunny days.
Shirley gets some kind of precipitation, on average, 123 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 84 degrees
Winter Low: the January low is 19
Rain: averages 39 inches of rain a year
Snow: averages 25 inches of snow a year