Delta, United States offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Delta, Alabama, United States, is known for Cheaha State Park, which features the highest point in Alabama, Mount Cheaha. The best time to travel to Delta, United States, is in late spring or early fall when the average air temperature is around 70°F (21°C) and water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!