Pittsburgh: Geography and Climate

Pittsburgh is located in the southwestern corner of Pennsylvania, at the foothills of the Allegheny Mountains, where the Allegheny and Monongahela Rivers join to form the Ohio. The city's humid climate is modified slightly by its relative proximity to the Atlantic Seaboard and the Great Lakes. The Pittsburgh area experiences extremes of all four seasons, with temperatures ranging from zero to 90° F or so. Precipitation is distributed well throughout the year, with a good bit of the precipitation occurring as snow during the winter months. From April through October, the sun shines more than 50 percent of the time.

Area: 58.35 square miles

Elevation: 696 feet above sea level at river base; 1,223 feet above sea level at highest point

Average Annual Temperatures: January, 28.4° F; July, 73.1° F; annual average, 50.3° F

Average Annual Precipitation: 36.85 inches of rain, 43 inches of snow