Pittsburgh: Geography and Climate
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Pittsburgh Climate
Pittsburgh, Pennsylvania, Climate:
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Pittsburgh has a continental climate with four distinct seasons. Winters are cold, with average high temperatures in the upper 30s to low 40s, and lows in the low 20s. The average annual snowfall in Pittsburgh is 43 inches. Summer days are warm, with average high temperatures in the low to mid-80s, while evenings cool down to around 60. May through July is the wettest time of the year in Pittsburgh; October is Pittsburgh's driest month.
Average Temperatures & Precipitation
Temperatures
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | |
| High | 37 | 39 | 50 | 62 | 71 | 80 | 85 | 83 | 76 | 64 | 53 | 42 |
| Low | 20 | 21 | 29 | 38 | 48 | 56 | 62 | 60 | 53 | 41 | 33 | 25 |
Precipitation
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | |
| Inches | 2.6 | 2.5 | 3.2 | 3.1 | 4 | 3.9 | 3.9 | 3.2 | 3.1 | 2.4 | 3.1 | 2.9 |
Air Quality Index (AQI)
Days Recorded (2008): 306Median AQI: 48
Days in Good Range: 0.54
Days in Moderate Range: 0.4
Days in Unhealthy Range (Sensitive Groups): 0.06
Days in Unhealthy Range: 0.003
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Pittsburgh: Geography and Climate
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Pittsburgh, Pennsylvania
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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.
| 58.35 square miles | |
| 696 feet above sea level at river base; 1,223 feet above sea level at highest point | |
| January, 28.4° F; July, 73.1° F; annual average, 50.3° F | |
| 36.85 inches of rain, 43 inches of snow |
