Williamsport

What is the climate like in Williamsport?

The best time to visit Williamsport is typically July, the year's most comfortable month (6.4/10). Williamsport is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically May and the driest is November; the year sees roughly 49 in (1240 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.4/10)
• Warmest monthJuly — average high 84°F (29°C)
• Coolest monthJanuary — average low 23°F (-5°C)
• Wettest monthMay (4.8 in (122 mm))
• Driest monthNovember (3.2 in (81 mm))
• Annual precipitation49 in (1240 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWilliamsport Rgnl AP, 7 km away (1948-2026)