Arizona and the Global Warming Myth

I dont know if you were all informed but i was planning on going to arizona for a week with my friends for winter break. We were going to go white water rafting, hiking, and just enjoy the great out doors. Little did we know how cold it was going to be outdoors (average of 44 degrees in january). Atleast we dont need to worry about girls needing the gmach. Does anyone else have any suggestions for winter break 2010?