Swissvale, PA has a humid continental climate, with hot summers and cold winters. Average temperatures in the summer range from 70 to 85 degrees Fahrenheit, while in the winter temperatures can drop to as low as 20 degrees Fahrenheit. Precipitation is generally moderate throughout the year, with rain falling mostly from April through September. Snowfall tends to be light during the winter months, but occasionally heavy snowstorms do occur. In general, Swissvale has mild weather throughout the year.
Swissvale, Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Swissvale averages 17 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 161 sunny days per year in Swissvale. The US average is 205 sunny days.
Swissvale gets some kind of precipitation, on average, 140 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 21
Rain: averages 39 inches of rain a year
Snow: averages 17 inches of snow a year