You are in good company if you are searching for others who share you issues. However, for me, cold weather is much easier to tolerate than hot weather. Don't get me wrong, it is still quite difficult, especially having Raynaud's and Fibromyalgia along with my Lupus. It just seems that the hot summers practically kill me!
I am sure that you will find many other members here who share your maladies. So, you are certainly not alone.
Peace and Blessings
Look For The Good and Praise It!