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Climate almanac

Williamsport

Pennsylvania, United States · 41.24°, -77.00°

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What is the weather like in Williamsport in May?

In May, Williamsport is typically 70°F (21°C) during the day and 51°F (11°C) at night. The month brings about 4.8 in (122 mm) of precipitation in total.

  • Average high70°F (21°C)
  • Average low51°F (11°C)
  • Precipitation4.8 in (122 mm)
  • Clear or mostly clear days6
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)