15122 West Mifflin, PA has a humid continental climate with cold winters and hot summers. In the winter months, temperatures can dip below freezing and snowfall is common. The summer months are usually sunny and warm, with temperatures reaching the mid 70's to low 80's Fahrenheit. Precipitation is fairly evenly distributed throughout the year, with an average of 38 inches per year. The region experiences four distinct seasons with plenty of sunshine throughout them all.
West Mifflin (zip 15122), Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
West Mifflin (zip 15122) averages 30 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 West Mifflin (zip 15122). The US average is 205 sunny days.
West Mifflin (zip 15122) gets some kind of precipitation, on average, 145 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 30 inches of snow a year