Which dogs are most at risk of overheating?

The dogs most at risk of overheating are flat-faced breeds, very young and senior dogs, overweight dogs, heavy-coated breeds, and dogs with certain health conditions, because each of these makes it harder to shed body heat efficiently. Every dog can overheat in the wrong conditions, but knowing whether yours falls into a higher-risk group helps you plan a safer summer. At Bocce's Bakery, we want every pup, no matter their shape or age, to enjoy the warm months, so let's break down who needs extra care and why.

One thing up top: this is educational, not medical advice. If you're unsure how heat affects your specific dog, your vet is the best resource.

Flat-faced breeds

Brachycephalic dogs, the ones with short muzzles and pushed-in faces, top the list. Bulldogs, Pugs, French Bulldogs, Boxers, Boston Terriers, and Shih Tzus all have compact airways that make panting far less efficient. Since panting is a dog's main cooling system, a less effective version leaves these breeds vulnerable much sooner. If you share your home with a flat-faced friend, keep activity gentle, stay in the cool hours, and watch closely for labored breathing.

Puppies and senior dogs

Age sits at both ends of the risk spectrum. Puppies haven't fully developed their temperature regulation, and they often play past the point of good sense. Senior dogs may have slower systems and underlying conditions that blunt their ability to cope with heat. Both groups benefit from shorter outings, frequent water breaks, and a watchful eye. When in doubt about an older dog's limits, ask your vet.

Overweight dogs

Extra weight works against a dog in the heat. Added body fat acts as insulation, trapping warmth, and heavier dogs often tire faster and breathe harder during activity. That combination makes overheating more likely. Beyond summer caution, a vet-guided plan for a healthy weight pays off year-round. Talk with your vet about safe ways to help your dog slim down if needed.

Thick and double-coated breeds

Breeds built for cold climates, think Huskies, Malamutes, Newfoundlands, and Saint Bernards, carry dense coats that hold heat. While that coat also offers some insulation against heat and shouldn't be shaved without veterinary advice, these dogs still struggle when temperatures climb. Brushing out loose undercoat, providing shade, and timing activity carefully all help these dogs stay comfortable.

Dogs with health conditions

Certain medical issues raise the stakes. Dogs with heart conditions, breathing problems, or other chronic illnesses may handle heat poorly, and some medications can affect temperature regulation too. The American Animal Hospital Association notes that pre-existing conditions can compound heat risk, which is why a conversation with your vet matters for these dogs. Their heatstroke guide is worth a read.

A safer plan for higher-risk dogs

If your dog lands in any of these groups, build a summer routine around caution. Exercise during the coolest parts of the day, keep water everywhere, provide reliable shade and airflow, and never leave your dog in a parked car. Learn the early warning signs of overheating, such as heavy panting that won't slow, drooling, and lagging behind, and act fast when you see them. The AVMA's warm-weather safety guidance is a solid foundation for any household.

Keep cool-down time fun

For heat-sensitive dogs, encouraging calm rest in the shade is half the battle, and a tasty reward helps. Our all-natural, USA-baked Froyo frozen treats give dogs a cool, lickable reason to settle down during the hottest stretch of the day. They're a refreshing treat, not a medical safeguard, so keep them paired with shade and water. For low-effort training and everyday rewards, our limited-ingredient Soft & Chewy treats are easy to share with dogs of every size.

Key takeaways

• Flat-faced breeds overheat fastest due to inefficient panting.
• Puppies and seniors regulate temperature less reliably.
• Overweight and thick-coated dogs trap and struggle to release heat.
• Health conditions and some medications can raise heat risk.
• Higher-risk dogs need cool-hour timing, shade, water, and close watching.

Frequently asked questions

Are flat-faced dogs really that much more at risk?

Yes. Their shortened airways make panting, the primary cooling mechanism, far less effective. That means they can overheat at temperatures other dogs tolerate. Keep their activity gentle and watch breathing closely on warm days.

Should I shave my double-coated dog in summer?

Usually not, and not without veterinary advice. A double coat can insulate against heat and protect skin from sun, so shaving can backfire. Brushing out loose undercoat and providing shade is generally safer.

Does my dog's weight affect heat tolerance?

It does. Extra body fat traps heat and makes exertion harder, raising the risk of overheating. A vet-guided weight plan supports better heat tolerance and overall health.

How do I know if my dog is high-risk?

Consider their breed, age, weight, coat, and any health conditions, then talk with your vet for a personalized read. Your vet can recommend a summer routine that fits your dog. When unsure, err on the side of caution.