Pittsburgh lies in the humid continental climate zone as it transitions to the humid subtropical climate. The area has four distinct seasons: winters are cold, cloudy, and moderately snowy, springs and falls generally mild with moderate levels of sunshine, and summers warm to hot and humid; as measured by percent possible sunshine, summer is by far the sunniest season.

The best time to visit Pittsburgh would be during May to August, as the weather is most agreeable for getting around the city. In the winter months of December and January, Pittsburgh witnesses a decent amount of snowfall snowfall, and quite a number of the attractions are likely to be closed