South Williamsport, PA has a humid continental climate, with hot summers and cold winters. Average temperatures range from 24°F in January to 75°F in July. Precipitation is fairly evenly distributed throughout the year, with an average of 3.5 inches per month. The region receives an average of 38 inches of snow annually. Winters are cold and often have snowfall, while summers tend to be warm and humid with occasional thunderstorms.
South Williamsport, Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Williamsport averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 179 sunny days per year in South Williamsport. The US average is 205 sunny days.
South Williamsport gets some kind of precipitation, on average, 135 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 42 inches of rain a year
Snow: averages 33 inches of snow a year