Warnemunde, Germany offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Warnemunde is known for its picturesque Warnemunde Beach, the historic Warnemunde Lighthouse, and the vibrant Alter Strom canal. The best time to travel to Warnemunde, 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!