Mayo, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Mayo, Maryland, United States, is known for its proximity to the Chesapeake Bay and the scenic Mayo Beach Park. The best time to travel to Mayo, United States, is in the spring (March to May) when the average air temperature is around 70°F (21°C) and the water temperature is approximately 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!