Unteruhlding, Switzerland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Unteruhldingen, Baden Wurttemberg, Germany, is known for the Pfahlbauten Unteruhldingen, a UNESCO World Heritage Site featuring reconstructed prehistoric pile dwellings. The best time to travel to Unteruhldingen, Switzerland, is from June to August, with average air temperatures around 70°F (21°C) and water temperatures in Lake Constance around 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!