Warsaw, United States offers 10 beaches perfect for sunbathing, surfing, swimming, and more. Warsaw, Indiana, United States, is known for the Winona Lake, Wagon Wheel Center for the Arts, and the annual Northern Indiana Lakes Festival. The best time to travel to Warsaw, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!