Neoga, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Neoga, Illinois, United States, is known for its proximity to Lake Mattoon, which offers recreational activities like fishing and boating. The best time to travel to Neoga, United States, is in late spring (May), 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!