The best time to visit Iowa Falls is during the summer months, from June to August, when the weather is warm and ideal for outdoor activities.During this period, the average daily temperatures range from the low 20s to high 20s Celsius, making it comfortable for exploring the natural beauty of the area. The Iowa River Greenbelt, with its walking trails and scenic overlooks, is particularly pleasant to experience when the weather is good. Families will find this time ideal for enjoying activities like kayaking or canoeing on the Iowa River, or having picnics at Assembly Park.For those who prefer slightly cooler weather and fewer crowds, late spring (May) and early autumn (September to early October) are also excellent choices. The temperatures are milder, and the changing foliage in autumn offers beautiful scenery.