We have 6 people in our x23b, and even with the bathroom fan blowing all night, and an open window in each bunk, we still have water dripping off the tent ends, and water under the beds...
Will experiment more this season, but I may have to run a dehumidifier.
Four kids, 11 and under
2006 Land Rover LR3 SE
2013 Dodge Durango Citadel
2016 Jayco x23B
Retired - 1996 Coleman Cheyenne Pop-Up