Greifswald, Germany offers 1 beach perfect for sunbathing, surfing, swimming, and more. Greifswald is known for the University of Greifswald and its proximity to the Baltic Sea. The best time to travel to Greifswald, Germany, is from June to August, when the average air temperature is around 18-22°C (64-72°F) and the water temperature in the Baltic Sea is approximately 17-20°C (63-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!