 Regardless of this, Southern Maryland is an official region of the state not associated with the Eastern Shore, and areas of Saint Mary's County are sometimes claimed to be the southernmost point of the state.Crisfield's location on the Atlantic Coastal Plain in Maryland gives it a humid subtropical climate, with hot, humid summers and cool to mild winters.Its proximity to water, as well as a common trend on the Delmarva Peninsula, means that the city does not see much snowfall in the winters.