Some dogs thrive in the heat—but others? Not so much. Certain breeds have a hard time staying cool in hot, humid weather due to their physical build, coat type, or breathing limitations. For these dogs, summer can be more than uncomfortable—it can be dangerous.
If you own one of the breeds below, be extra careful during heatwaves. Limit outdoor time, offer plenty of shade and water, and keep walks to early mornings or late evenings.
1. Bulldog
With their short snouts and heavy builds, Bulldogs overheat quickly. They’re not efficient at cooling themselves through panting and can develop heatstroke in minutes if overexerted.
Even a short walk in the sun can be risky, so it’s best to keep Bulldogs indoors with fans or air conditioning during hot days.
2. Pug
Pugs are charming, compact, and very heat-sensitive. Their flat faces restrict airflow, making it hard to breathe and regulate body temperature in warm weather.
Keep their activities light and avoid leaving them outside for long periods. Hydration and shade are critical.
3. French Bulldog
French Bulldogs share the same flat-faced anatomy as Pugs and Bulldogs, making them poor candidates for summer heat. They’re prone to breathing issues and can overheat even in mild temperatures.
Always supervise them during outdoor time, and never leave them in a warm car or yard unsupervised.
4. Shih Tzu
Shih Tzus have long coats and small nasal passages, which make it tough to cool down. The combination of thick fur and brachycephalic (flat-faced) structure puts them at a double disadvantage.
Grooming their coat short in summer and keeping them in cool environments helps prevent overheating.
5. Chow Chow
With their dense double coat and large build, Chow Chows are built more for snow than sunshine. They’re highly prone to overheating in warm, humid climates.
Limit outdoor play and consider trimming their coat (without shaving) to help them handle the heat better.
6. Akita
Akitas are cold-weather dogs with thick double coats designed to trap warmth. In hot weather, this fur becomes a burden and can trap heat.
They do best with plenty of shade, water, and indoor time. Never leave them outdoors for extended periods during summer.
7. Saint Bernard
Originally bred for snowy rescue work, Saint Bernards struggle in the heat. Their size, weight, and thick fur all contribute to a higher risk of overheating.
Walk them only when it’s cool, and let them rest in air-conditioned spaces during heatwaves.
8. Boxer
Boxers are athletic and energetic, but their short noses and tight airways make them vulnerable in warm weather.
They often don’t realize when they’re overheating, so it’s up to the owner to keep exercise to a minimum when it’s hot out.
Read More: Heatwave Safety for Dogs: What You Should Know
9. Cavalier King Charles Spaniel
With their silky coats and brachycephalic faces, Cavaliers can struggle in summer temperatures. Their small size also makes them more sensitive to sudden heat changes.
Stick to short walks and indoor playtime when the sun is out, and be on the lookout for heavy panting or drooling.
Read More: 10 Dog Breeds That Shed Like Crazy in Spring
10. Pekingese
Pekingese dogs are low-energy, but their thick coats and short muzzles make summer heat a challenge. They can’t pant effectively, and their short legs keep them closer to hot surfaces like pavement.
Keep them inside as much as possible and ensure they always have access to cool air and water.
If you own one of these breeds, summer safety is a must. Avoid peak heat hours, never leave your dog in a car, and always watch for signs of overheating. A little caution goes a long way in keeping your pup safe, happy, and healthy.
Read More: The Ultimate Guide to Keeping Your Dog Safe and Comfortable in Hot Weather
