About Yorktown, PA's Climate & Weather History

Yorktown is a city of approximately 5,900 people in Pennsylvania, United States. Located in the Eastern Time Zone at 40°N latitude.

In 2025, Yorktown recorded an average annual temperature of 56°F — about 0.7°F below the 30-year normal of 56°F. The hottest day reached 103°F in June; the coldest was 7°F in January. Total precipitation was 39 inches (drier than usual). Snowfall totaled 5 inches, below the 23-inch average. The wettest month was May.