Loudon, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Avlida is known for its proximity to the archaeological site of the ancient city of Aulis, where the Greek fleet gathered before sailing to Troy. The best time to travel to Loudon, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature in nearby lakes is approximately 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!