I think your northern route might be a bit cooler as a general rule Tucson is 10 degrees hotter on average than Albuquerque for example.
I can be available in Northern to central AZ if needed.
My Son and Brother live in Kingman, so we probably got you covered for a few hundred miles anyway.
Tried to Pm you my number but your inbox is full.
Take spray bottles for water to spray yourself with.
It helps a lot.