Climate almanac
King of Prussia
Pennsylvania, United States · 40.09°, -75.40°
What is the climate like in King of Prussia?
The best time to visit King of Prussia is typically June, the year's most comfortable month (6.4/10). King of Prussia is warmest in July, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 29°F (-2°C). The wettest month is typically July and the driest is November; the year sees roughly 49 in (1243 mm) of precipitation.
- Best time to visitJune — the year's comfort peak (6.4/10)
- Warmest monthJuly — average high 87°F (30°C)
- Coolest monthJanuary — average low 29°F (-2°C)
- Wettest monthJuly (5.6 in (143 mm))
- Driest monthNovember (3.1 in (78 mm))
- Annual precipitation49 in (1243 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromPhoenixville 1 E, 9 km away (1893-2026)