About Prospect Park, PA's Climate & Weather History

Prospect Park, in Pennsylvania, United States, is home to roughly 6,500 people in the Eastern Time Zone at 39.9°N latitude.

In 2025, Prospect Park recorded an average annual temperature of 55°F — about 1.1°F below the 30-year normal of 56°F. The hottest day reached 100°F in June; the coldest was 7°F in January. Total precipitation was 40 inches (drier than usual). Snowfall totaled 5 inches, below the 23-inch average. The wettest month was May.