Washington Township, United States offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Washington Township, Michigan, United States, is known for its scenic parks and outdoor recreational opportunities. The best time to travel to Washington Township, United States, is in late spring (May to June) when the average air temperature is around 65-75°F, and water temperatures in nearby lakes or pools are typically around 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!