Do I need a climate controlled storage unit in Honolulu, HI?
Honolulu has an average daily temperature above 85 degrees in May, June, July, August, September, October and November. In September, the historic average high in Honolulu is 83.4.Honolulu is humid throughout the year, but especially humid in June and July. In these months, the relative humidity remains well above 55 RHm, where mold and mildew can thrive. 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.