Essex, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Essex, Maryland, United States, is known for its proximity to the Chesapeake Bay and the nearby Rocky Point Park and Beach. The best time to travel to Essex, United States, is in late spring (May to June) when the average air temperature is around 65-75°F and the water temperature is approximately 55-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!