I've lived in the desert southwest for over 20 of my nearly 40 years of life and what's hot to me may not be hot to you. It's, of course, relative to your likes and dislikes and your body's ability to cope with high heat.
People think they can handle anything.
Most in danger are the very young, the elderly and people taking over the counter cold remedies, certain heart medications and almost all psychiatric drugs. All have a drying effect on the body, Dr. Iserson says. This is how you can really find out just how hot it is out there. The Heat Index combines the effects of heat and humidity. Hot temperatures feel even hotter when it is humid.