Cape Girardeau, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Oselivka is known for its proximity to the Dniester Canyon, a popular natural attraction in Ukraine. The best time to travel to Cape Girardeau is in late spring (May), when the average air temperature is around 70°F (21°C) and the Mississippi River 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!