Sioux Falls has an average daily temperature above 85 degrees in June, July and August. In July, the historic average high in Sioux Falls is 85.6. High temperatures and humidity can cause mold and mildew to thrive. If you're considering storing items that are susceptible to mold and mildew during this period, consider renting a climate controlled storage unit.
Those who rented self-storage in Sioux Falls were more likely to book a 10x10 storage unit than any other size.