Warszawa, Poland offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Warszawa is known for the Royal Castle, Wilanow Palace, and the Warsaw Uprising Museum. The best time to travel to Warszawa, Poland, is from May to September, with average air temperatures ranging from 15°C to 25°C and water temperatures around 18°C to 22°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!