Stonybrook, PA has a humid continental climate with hot summers and cold winters. On average, temperatures range from lows in the winter of around 22 degrees Fahrenheit to highs in the summer averaging around 80 degrees Fahrenheit. Rainfall is abundant throughout the year, with about 23 inches on average annually. Summers are usually muggy and humid, while winters experience moderate snowfall and occasional ice storms.
Stonybrook, Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Stonybrook averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Stonybrook. The US average is 205 sunny days.
Stonybrook 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 86 degrees
Winter Low: the January low is 21
Rain: averages 42 inches of rain a year
Snow: averages 23 inches of snow a year