Millington, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Millington, Illinois, United States, is known for the Silver Springs State Fish and Wildlife Area. The best time to travel to Millington, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the average water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!