Brodersby, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Brodersby, Schleswig Holstein, Germany, is known for its proximity to the Schlei Fjord and the historic Viking settlement of Haithabu. The best time to travel to Brodersby, Germany, is from June to August, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!