When the weather turns, you'll often find your dog hunting for the coolest tile in the house, stretched flat in the shade, panting through the afternoon. Dogs don't cool down the way we do. They can't sweat through their skin — they rely almost entirely on panting and a little heat release through their paws — which makes them far more vulnerable to overheating than most owners realise. Keeping your dog cool in summer isn't a luxury; on a hot day, it can genuinely be a matter of safety.
This guide covers the warning signs of overheating, what to do if it happens, and the everyday steps that keep your dog comfortable when the temperature climbs.
Why dogs overheat so easily
A dog's body is built to conserve heat, not shed it. With a fur coat and only a few sweat glands, panting is their main cooling system — and on a humid day, panting becomes far less effective. Some dogs are at even higher risk: flat-faced breeds like pugs and bulldogs, thick-coated breeds, overweight dogs, puppies, seniors, and dogs with heart or breathing conditions. For these dogs especially, prevention matters enormously.
The warning signs of heatstroke in dogs
Heatstroke can escalate quickly, so learning the signs could save your dog's life. Watch for:
- Heavy, frantic panting that doesn't settle.
- Bright red or dark gums and tongue.
- Thick, sticky drool.
- Lethargy, stumbling, or confusion.
- Vomiting or diarrhoea.
- Collapse or, in severe cases, seizures.
Heatstroke is a medical emergency. If you suspect it, move your dog to shade at once, offer small amounts of cool (not ice-cold) water, wet their coat with cool water — especially the belly, paws, and groin — and contact your vet immediately, even if they seem to recover. Internal damage isn't always visible.
1. Give them a cool place to lie down
On a hot afternoon, most dogs simply want a clean, cool surface to stretch out on. A cooling mat gives them that relief anywhere in the home — not just on the bathroom floor. Our ChillZone Cooling Mat stays put, wipes clean, and offers a cool spot to settle without any electricity or refrigeration; it simply draws heat away as your dog lies on it. For a more natural option, the Bamboo Bliss Pet Cooling Mat is woven from breathable bamboo fibre that stays gently cool to the touch, lovely both at home and in the car.
2. Keep fresh water everywhere
Hydration is your dog's first line of defence against the heat. Make sure cool, fresh water is always within reach — indoors, in the garden, and on every walk. Moving water encourages dogs to drink more, so a Large-Capacity Pet Water Fountain is ideal for keeping a big dog or a busy multi-pet home topped up all day without constant refilling. When you head out, bringing water along means your dog can drink wherever the walk takes you.
3. Walk early or late — and check the pavement
Avoid the hottest part of the day. Walk in the cool of early morning or evening instead. And always do the seven-second test: press the back of your hand to the pavement. If it's too hot for you to hold there for seven seconds, it's too hot for your dog's paws, which can burn on hot tarmac. On very hot days, a shorter walk or indoor play is the kinder choice.
4. Never leave a dog in a parked car
It bears repeating because it's so dangerous: even on a mild day, the inside of a parked car can reach lethal temperatures within minutes, even with the windows cracked. There is no safe amount of time. If you can't take your dog with you when you leave the car, leave them at home.
5. Create shade and airflow
Make sure your dog can always retreat from direct sun, both indoors and out. Keep curtains drawn against the afternoon sun, run a fan, and ensure outdoor dogs have deep, reliable shade that moves with the day. Good airflow makes panting far more effective.
6. Cool them gently, not shockingly
If your dog is hot, cool them down gradually. A damp towel, a paddling pool to stand in, or a cooling mat to lie on all help. Avoid ice baths or ice-cold water on a severely overheated dog — cooling too fast can cause its own problems. Steady and gentle is the rule.
7. Watch the dogs most at risk
If you share your home with a flat-faced breed, a senior, a puppy, or an overweight or thick-coated dog, raise your guard on hot days. These dogs overheat faster and recover more slowly. Keep them indoors during the worst of the heat, with water and a cool surface always within reach.
A cool dog is a comfortable dog
Summer should be a happy season for your dog — long evenings, garden afternoons, trips to the water. A little preparation is all it takes to keep it that way. Fresh water, shade, sensible walk times, and a cool place to rest will see most dogs comfortably through the warmest months. If you start with one thing, give your dog a dedicated cool spot of their own: a good cooling mat they can return to whenever the day gets too warm.
Related reading
- Caring for a Senior Dog: Comfort, Joints and a Gentle Daily Routine
- How to Calm an Anxious Dog: 9 Gentle, Vet-Informed Ways to Help
- Is Your Cat Drinking Enough Water? Signs of Dehydration and How to Help
This article is for general guidance and isn't a substitute for veterinary advice. Heatstroke is an emergency — if you suspect it, contact your vet immediately.
