The best time to go to Parkersburg, Iowa, is during the summer months, from June to August, when the weather is warm and conducive to outdoor activities.During this period, temperatures are generally pleasant, typically ranging from the mid-70s to low 80s Fahrenheit, with sunny skies. This weather is ideal for enjoying the local parks, exploring the downtown area, or attending community events. Families often find these months great for a trip, as school is out, and the extended daylight hours allow for more time to explore.Early autumn, specifically September and early October, also offers a very pleasant experience. The weather remains mild, and the changing foliage provides a scenic backdrop for exploring the area.