Harleysville, PA has a humid continental climate with cool to cold winters and hot, humid summers. Winters generally feature temperatures below freezing and occasionally snowfall while summers are usually warm with occasional thunderstorms. Temperatures throughout the year typically range from the low 30s to the mid-80s Fahrenheit. The area has four distinct seasons with periods of spring, summer, autumn, and winter each year. Precipitation levels throughout the year remain fairly steady, averaging around 3 inches per month during winter months and gradually increasing to an average 6 inches during summer months.
Harleysville, Pennsylvania gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Harleysville averages 21 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Harleysville. The US average is 205 sunny days.
Harleysville gets some kind of precipitation, on average, 117 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 86 degrees
Winter Low: the January low is 22
Rain: averages 48 inches of rain a year
Snow: averages 21 inches of snow a year