King of Prussia is a city of approximately 19,900 people in Pennsylvania, United States. Located in the Eastern Time Zone at 40.1°N latitude.
In 2025, King of Prussia recorded an average annual temperature of 54°F — about 1.9°F below the 30-year normal of 56°F. The hottest day reached 101°F in June; the coldest was 1°F in January. Total precipitation was 38 inches (drier than usual). Snowfall totaled 5 inches, below the 23-inch average. The wettest month was May.
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