How do you dry fruit slices in a humid environment? In a humid environment, with an abundance of fruit at certain times of the year, what is the best method for drying fruit slices for later use? I don't want to use any type of equipment that needs power/active heating (like an oven)... is it possible to simply slice the fruits and leave in the sun/air?
...a dehydrator.
Unless you have some other constraint you've failed to mention, it's what they are made to do. When we had a gas oven with a standing pilot, that kept the oven warm enough to use as a crude dehydrator; now I just use a common electric heat &amp; fan model.
 
images are examples, not endorsements.