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Pennsylvania climate
Climate normals for 41 cities in Pennsylvania — find your city, or get the regional gist.
Across the 41 cities we cover in Pennsylvania, annual averages run 10–14°C. Annual precipitation ranges 983–1288 mm across those cities. The region spans 2 Köppen zones (Cfa · Dfb).
Largest cities
Largest cities in Pennsylvania
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Philadelphia
Population 1.6M
Hot summers, cold winters
Avg
2°C in January, 27°C in July
Pittsburgh
Population 304k
Warm summers, cold winters
Avg
−1°C in January, 23°C in July
Allentown
Population 120k
Hot summers, cold winters
Avg
−1°C in January, 24°C in July
Erie
Population 99k
Warm summers, cold winters
Avg
−2°C in January, 23°C in July
Reading
Population 88k
Warm summers, cold winters
Avg
−1°C in January, 24°C in July
Scranton
Population 77k
Warm summers, cold winters
Avg
−2°C in January, 23°C in July
Find a city in Pennsylvania
Search 41 cities by name.