Avoid strenuous activity in the sun during the hottest part of the day. Open windows, use a fan or turn on an air conditioner if you own one. Never leave a child or pet in a parked car. The temperatures inside can rise dramatically in a very short time. Fur Coats Are Hot The area's sizzling temperatures and high humidity can be dangerous for dogs and cats who, unlike humans, are wearing fur coats.
Humans cool down by perspiring.
Dogs and cats do it by panting. But sometimes that's not enough. When pets can't cool down fast enough, they can have a heatstroke, just like humans. Dogs and cats suffering from a heatstroke will excessively pant and drool and experience an abnormally rapid pulse. Their legs, nose and ears will feel hot.