The climate in 15218 Swissvale, PA is generally mild and humid. Summers are typically warm and humid, with temperatures reaching the mid 80s, while winters are cooler and can be quite cold, with temperatures dropping as low as the high teens. The area experiences an average of 48 inches of precipitation per year, with most of it falling during the summer months. Snowfall is fairly common during the winter months, usually totaling around 36 inches a year. Temperatures tend to stay in the 40s throughout most of spring and fall, making for pleasant weather during those times of year.
Swissvale (zip 15218), Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Swissvale (zip 15218) averages 17 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 Swissvale (zip 15218). The US average is 205 sunny days.
Swissvale (zip 15218) 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 84 degrees
Winter Low: the January low is 21
Rain: averages 39 inches of rain a year
Snow: averages 17 inches of snow a year