Penn Wynne

What is the climate like in Penn Wynne?

The best time to visit Penn Wynne is typically September – October, with trip comfort peaking in June (6.6/10). Penn Wynne is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically July and the driest is November; the year sees roughly 47 in (1184 mm) of precipitation.

• Best time to visitSeptember – October — comfort peaks in June (6.6/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 30°F (-1°C)
• Wettest monthJuly (5.0 in (128 mm))
• Driest monthNovember (2.9 in (74 mm))
• Annual precipitation47 in (1184 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPhila Intl AP, 13 km away (1940-2026)