The best time to go to Cottage Grove is during the summer months, from June to August, when the weather is warm and conducive to outdoor activities.During this period, visitors can fully enjoy the area's natural beauty and recreational opportunities. The average daily temperatures range from the mid-70s to low 80s Fahrenheit, making it comfortable for exploring parks, trails, and the nearby Mississippi River. This time of year is ideal for families looking to spend time outdoors, with numerous local events and farmers markets often taking place.For those interested in fall foliage and a slightly quieter experience, September and early October also offer pleasant weather and scenic views as the leaves change color. The temperatures are cooler, typically in the 50s and 60s Fahrenheit, which is good for hiking and enjoying the crisp air.