simply put, if it is out in the open, it is absorbing moisture. period. there is no getting around that.
places with high humidity (Florida) are going to be worse than places with low humidity (southern Arizona), but the filament will absorb moisture regardless - just a matter of how much and how quickly.
SD4 #1 & #2 - Lawsy carriages, E3D v6, Rumba controller board, mirror bed plate, X motor fan, upgraded PSU & Mica bed heater
SD4 #3 - in the works ~ Folgertech FT-5, rev 1
Printit Industries Beta Tester - Horizon H1