Pennsylvania Weather, climate and geography

Weather and climate

Best time to visit

Pennsylvania's weather can be changeable, with moderate amounts of rain throughout the year. Summers are long and warm with occasional heat waves. The southeastern corner in the state has the warmest climate whereas the mountainous area of Pennsylvania is considerably colder. Winter temperatures can drop significantly and come with periods of snowfall, especially in the western part of the state. The best time to visit is during autumn. September the temperature drops down to 21˚C (70˚F). By October, the weather drops again with the high of 15˚C (60˚F).

Required clothing

Warm winter clothes are needed in the coldest months. In preparation for the winter weather wear warm pants, long sleeve shirts, winter coat and boots. Light-to-medium weights are advised for the summer. Tank tops and short are acceptable for this kind of weather.

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