Southwestern
Pennsylvania can boast that the region has four distinct seasons!
Winter
Spring
Summer
Fall
The climate in Southwestern
Pennsylvania is moderate with temperatures ranging from zero to
90 degrees Fahrenheit. Annual average precipitation totals
approximately 36 inches. Portions of this precipitation occur as
snow or sleet during the winter months.
Quick Weather
Facts
Average
Day of Last Freeze
Last Recorded Freeze
Average Date of First Freeze
Earliest Recorded Freeze
Average Freeze Period (days)
Average Wind Velocity
Average Annual Rainfall (inches)
Average Annual Snowfall (inches)
Average Summertime Temperature
Average Spring & Fall Temperatures
Average Winter Temperature
April
22
May 21, 1963
October 21
September 19, 1959
124.1
9.1
36.3
43.1
80
60
40
Elevation
Formed by two mountainous regions - the Allegheny Mountains and
the Pittsburgh Plateau - Fayette County’s highest point is
2993 feet above mean sea level at Chestnut Ridge. The lowest
altitude is in Point Marion, on the Monongahela River near the
southern border of Pennsylvania at 740 feet above mean sea
level.
