Ipswich has a humid continental climate with lots of maritime influence. The summers here are warm and humid while the winters are quite cold. There are occasional fogs and hurricanes throughout the year.
Ipswich is best visited during the months of September to November. The weather is very cool during this period and one can also avoid major crowding. People tend to flock over in summers so best to skip coming during that period. Spring is also a best time to visit Ipswich.