The climate in Glenshaw, PA is typical of the Mid-Atlantic region, with warm summers and cold winters. Winters are usually wet and snowy, with temperatures often dropping below freezing at night and hovering in the mid-40s during the day. Summers are hot and humid, with temperatures often reaching into the high 80s or low 90s during peak months. Rainfall is evenly distributed throughout the year. There are generally plenty of sunny days for outdoor activities all year round.
Glenshaw, Pennsylvania gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Glenshaw averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 162 sunny days per year in Glenshaw. The US average is 205 sunny days.
Glenshaw gets some kind of precipitation, on average, 137 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 21
Rain: averages 38 inches of rain a year
Snow: averages 32 inches of snow a year