About Morrisville, PA's Climate & Weather History

Morrisville is a city of approximately 8,600 people in Pennsylvania, United States. Located in the Eastern Time Zone at 40.2°N latitude.

In 2025, Morrisville recorded an average annual temperature of 55°F — about 0.5°F above the 30-year normal of 54°F. The hottest day reached 101°F in June; the coldest was 5°F in January. Total precipitation was 38 inches (drier than usual). Snowfall totaled 6 inches, below the 27-inch average. The wettest month was May.