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.