What are 2 cities in the east coast that have only slight difference in summer and winter temperatures?

Two cities on the East Coast with only slight differences in summer and winter temperatures are Washington, D.C., and Baltimore, Maryland. Both cities experience a humid subtropical climate, resulting in warm summers with average highs around 85°F (29°C) and relatively mild winters with average lows around 30°F (-1°C). This results in a moderate seasonal temperature variation compared to more northern locations.