Yes i live in AZ. During the summer, at 10.30 am when the snake should be at my door, during the middle of summer ITS 110 by that time, so inside a UPS truck with no air conditioning it could hit 120 easy, witch means cooked snake, so i always have them ship with the cold packs. I think it would be better to go safe side of having the snake a little colder then normal then hotter and have the snake cooked.