Neenah, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Neenah is known for the Bergstrom-Mahler Museum of Glass in regard to tourism. The best time to travel to Neenah, United States, is in late spring (May to June) when the average air temperature is around 60-70°F and the water temperature in nearby Lake Winnebago is approximately 55-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!