Williamsport

What is the weather like in Williamsport in January?

In January, Williamsport is typically 35°F (2°C) during the day and 23°F (-5°C) at night. The month brings about 3.4 in (86 mm) of precipitation in total. Snowfall averages about 8.2 in (209 mm) over the month.

• Average high35°F (2°C)
• Average low23°F (-5°C)
• Precipitation3.4 in (86 mm)
• Clear or mostly clear days4
• Snowfall8.2 in (209 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)