Znin, Poland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Znin is known for the Narrow Gauge Railway Museum and the nearby Biskupin archaeological site. The best time to travel to Znin, Poland, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!