You have to kind of play the averages and stay aware of the situation. You will see mildew long before things start to "rot". Things can be damp in the morning, but we make sure we dry it out during the course of the day. Check cupboards and back corners of closets. Clothes can actually get wet if you let it go too long. Just watch the corners and edges and keep the air moving as best you can when you can. We kept "damp rid" type stuff in the closets and bathroom when we were full time. Also, below freezing you have to unhook your water and drain the hose over night. When not using the RV, I keep the roof vents and the little window above the sink open and the fans set to come on around 80 degrees.
