Horicon, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Horicon is known for its proximity to Lake George and the Adirondack Mountains. The best time to travel to Horicon, United States, is in late spring or early fall when the average air temperature is around 60-70°F and water temperature is approximately 50-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!