Westmont, PA has a humid continental climate which is characterized by warm summers and cold winters with considerable precipitation year-round. Summers are generally hot and humid, with temperatures ranging between 65-86°F (18-30°C). Winters are typically quite cold with temperatures averaging between 32-45°F (0-7°C), and the occasional snowfall. Precipitation throughout the year averages around 37 inches (93 cm) with most months having at least 3 inches of rain.
Westmont, Pennsylvania gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Westmont averages 80 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 164 sunny days per year in Westmont. The US average is 205 sunny days.
Westmont gets some kind of precipitation, on average, 157 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 82 degrees
Winter Low: the January low is 18
Rain: averages 46 inches of rain a year
Snow: averages 80 inches of snow a year