Ellison Bay, United States offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Ellison Bay is known for its scenic views of Green Bay, the Ellison Bluff State Natural Area, and the Clearing Folk School. The best time to travel to Ellison Bay, United States, is during the summer months of June to August, when the average air temperature is around 70-75°F and the water temperature is approximately 60-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!