Serwy, Poland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Serwy, Podlaskie Voivodeship, Poland, is known for the Serwy Lake, a popular destination for water sports and nature tourism. The best time to travel to Serwy, Poland, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and the 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!