weather in the hamptons, ny
East Hampton Weather. East Hampton Weather and When to Go. East Hampton weather essentials. Depending on what you want to get out of your travel to East Hampton, it can be desirable weather year-round. Most visitors to East Hampton arrive in the summer months and weather then is perfect for a day at the beach. Highs in June and July average in the high 70s and low 80s, while at night itâs a balmy 65 or so. It can be fairly humid, though, with humidity around 75% in the summer months.