If you’ve lived through a summer here in Louisiana, you understand that humidity is a serious problem for comfort. Even mild warm days can feel like a blistering 90°F when the relative humidity level is high enough. The reason for this is that the higher moisture levels in the air trap heat inside the body, making it harder for it to release the excess heat through perspiring. Humidity causes other troubles as well: encouraging mold and mildew growth and causing water damage to surfaces.
But you have an air conditioner in your home, so that should take care of the humidity problem, right?