Southeastern Pennsylvania's climate is temperate. Summers are generally humid, with temperatures in July averaging 83 degrees (F) for a high and 60 degrees for a low. Occasional high temperatures reach the mid-90s with showers and thunderstorms commonly occurring during spring and summer months. 

Winters can be cold, with temperatures in January averaging 38 degrees (F) for a high and 20 degrees for a low.  Temperatures occasionally reach as low as the single digits.  

Precipitation averages from 3 to 5 inches of rainfall per month.  The greatest amount falling during the spring, summer, and autumn.  During winter conditions can be icy and snow can accumulate up to several inches.