I want to install wodden floors in a very high humidity area. It is actually a weekend home which is closed the whole week. They will be set on a ceramic tile floor (that is what the seller said would be best since it would act as an insulator). Which do you recommend engineered floors or hardwood? Even if the humidity doesn't come from the subsoil, won't the humidity in the air eventually affect the floor? Do you recommend a floating or a glued floor.
Thanks a million

Glued engineered is best in that situation. Make sure the substrate is flat first.

Glued engineered is the way to go. The subfloor doesn't really matter with engineered, but the humidity could still cause some problems. Any wood floor (but especially hardwood) is going to expand and contract depending on the atmosphere. The best you can do is to install a good HVAC system and try to keep the humidity/temperature consistent. Doesn't sound like that's an option since the house isn't used 5 days of the week. You might just have to be prepared to do some maintenance work down the line. Good luck!