17098 Williamstown, PA has a humid continental climate. Summers are hot and humid, with temperatures usually ranging from the mid-70s to low 90s Fahrenheit. Winters are cold and often snowy, with temperatures typically ranging between the 20s and 40s Fahrenheit. Spring and autumn are mild with temperatures usually staying in the 50s and 60s Fahrenheit. Precipitation is fairly consistent throughout the year, with occasional bouts of extreme weather like heavy rain or snowfall. Overall, 17098 Williamstown, PA experiences moderate to severe changes in temperature throughout the year with plenty of precipitation.
Williamstown (zip 17098), Pennsylvania gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Williamstown (zip 17098) averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Williamstown (zip 17098). The US average is 205 sunny days.
Williamstown (zip 17098) 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 83 degrees
Winter Low: the January low is 19
Rain: averages 46 inches of rain a year
Snow: averages 28 inches of snow a year