Boonville, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Boonville, Indiana, United States, is known for the Warrick County Museum and its historical significance as the home of the first coal mine in Indiana. The best time to travel to Boonville, United States, is in late spring or early fall when the average air temperature is around 70°F (21°C) and water temperature is not a significant factor as it is not a coastal destination. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!