In Memoriam, FlyerTalk Evangelist
Join Date: Jul 2002
Location: Durham, NC (RDU/GSO/CLT)
Programs: AA EXP/MM, DL GM, UA Platinum, HH DIA, Hyatt Explorist, IHG Platinum, Marriott Titanium, Hertz PC
Posts: 33,856
I was in Las Vegas for Christmas Eve and Christmas Day in 2011 and frankly, it didn't feel different than any other day. It can get cold at night but it's often quite pleasant (50's or 60's F) during the day. I hope you two have a great trip!