Koge, Denmark offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Koge is known for its well-preserved medieval town center and the Koge Museum. The best time to travel to Koge, Denmark, is from June to August, when the average air temperature is around 17°C (63°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!