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.
Did You Know?
Hopewell Furnace was built initially to supply nearby forges operated by its builder, Mark Bird. The forges heated and hammered the furnace's brittle pig iron bars, driving out much of their contaminate carbon and turning the metal into stronger, more malleable wrought iron.