Willoughby, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Willoughby, Ohio, United States, is known for the historic Willoughby Ghost Walk and the annual Willoughby ArtsFest. The best time to travel to Willoughby, United States, is during the summer months of June to August, when the average air temperature is around 75°F (24°C) and the water temperature in nearby Lake Erie is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!