Stein, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Stein, Schleswig Holstein, Germany, is known for its proximity to the scenic Baltic Sea coastline and the nearby Laboe Naval Memorial. The best time to travel to Stein, Germany, is from June to August, with average air temperatures around 70°F (21°C) and water temperatures in nearby lakes 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!