McKees Rocks, PA has a humid continental climate, with warm summers and cold winters. Average temperatures range from the mid-30s in winter to the mid-70s in summer. The area receives approximately 40 inches of precipitation annually, mainly rainfall in the summer months and snowfall in winter. McKees Rocks experiences all four seasons, with moderate humidity levels throughout the year. The area also benefits from breezes off of nearby rivers and streams to keep temperatures more comfortable during hot days.
McKees Rocks, Pennsylvania gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
McKees Rocks averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 165 sunny days per year in McKees Rocks. The US average is 205 sunny days.
McKees Rocks gets some kind of precipitation, on average, 142 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 37 inches of rain a year
Snow: averages 31 inches of snow a year