In terms of precipitation, rainfall in Williamsport ranges from 61.0 - 98.0 inches per month. August is typically the wettest month, when rainfall can reach 98.0 mm. February is typically the driest time to visit Williamsport when rainfall is around 61.0 mm.
If weather is an important factor for your trip to Williamsport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).
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