Marengo, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Marengo, Illinois, United States, is known for the Marengo Ridge Conservation Area and the annual Settlers' Days festival. The best time to travel to Marengo, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and water temperatures in nearby lakes are typically around 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!
