Hasberg, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hasberg, Schleswig Holstein, Germany, is known for its proximity to the scenic Holstein Switzerland Nature Park. The best time to travel to Hasberg, Germany, is from May to September, with average air temperatures ranging from 15°C to 25°C and water temperatures around 18°C to 22°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!