Athens, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Athens, Ohio, United States, is known for Ohio University and the annual Halloween Block Party. The best time to travel to Athens, United States, is in late spring (May), with average air temperatures around 70°F (21°C) and water temperatures in nearby lakes around 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!