Viborg, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Viborg, South Dakota, United States, is known for the Danish Days festival celebrating its Danish heritage. The best time to travel to Viborg, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and water temperature is approximately 55°F (13°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!