South Fayette, PA is located in the Mid-Atlantic region of the United States and has a humid subtropical climate with hot summers and mild winters. The average summertime temperatures reach the low 80s with occasional heat waves that can reach the low 90s for several days at a time. In winter, temperatures typically hover around freezing or slightly below, although snowfall can vary from year to year. Precipitation is generally high throughout the year, with most months experiencing at least 3 inches of rain.
South Fayette, Pennsylvania gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Fayette averages 31 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 South Fayette. The US average is 205 sunny days.
South Fayette gets some kind of precipitation, on average, 143 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 38 inches of rain a year
Snow: averages 31 inches of snow a year