 Number two, try giving your cat wet food to give them a little hydration on hot days. Number three, allow your cat plenty of shade to lay under if they're going to be outside or inside in a sunny area of your home like a screened-in porch. Now, here's number four. If your cat spends most of their time indoors, make sure they're in a climate-controlled, well-ventilated location. Number five, help your cat avoid hot pavement.