Shelbyville, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Shelbyville is known for its proximity to Lake Shelbyville, offering opportunities for boating, fishing, and beach activities. The best time to travel to Shelbyville, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperature 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!