Welcome. I moved out here from Boston a little over 20 years ago
and I'm completely spoiled by the climate and lack of nasty bugs at sundown and sunrise.
I would advise you to head in a more northerly direction with an aim toward acclimating to higher altitudes slowly so that by this time next month, when your RV turns into an oven every day, you'll be used to the altitude enough to stay high enough up to be able to go into it during the day, even though you won't much want to stay there.
It might be a dry heat, but it's still HOT.
If you start to get nosebleeds once you're on the dry side of the mountains, that's normal and they eventually do go away. You'll eventually get used to eating green chile in everything, too.
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