Canadian summers are a wonderful time to get outside and enjoy longer days with our dogs. Whether it’s a walk through the neighbourhood, a game of fetch at the park, or a hike on a local trail, most dogs love spending time outdoors with their favourite people. However, warm weather can also bring serious health risks if dogs become overheated. Understanding your dog’s heat tolerance, recognizing the signs of heat stress, and finding safe ways to stay active can help ensure a happy and healthy summer season.
Not All Dogs Handle Heat the Same Way
Just as people have different comfort levels in hot weather, dogs vary greatly in their ability to tolerate heat. Factors such as breed, age, size, coat type, and overall health all play a role.
Dogs with short noses, known as brachycephalic breeds, often struggle the most in hot weather. Breeds such as Bulldogs, Pugs, Boston Terriers, and Shih Tzus have narrower airways and are less efficient at cooling themselves through panting. These dogs can overheat quickly, even during moderate activity.
Dogs with thick double coats, including Huskies, Malamutes, and Bernese Mountain Dogs, may also have difficulty staying cool during periods of high heat and humidity. While their coats do provide some insulation, they can still be more susceptible to overheating during strenuous exercise.
On the other hand, many athletic breeds with lean body types and shorter coats, such as Labrador Retrievers and Vizslas, may tolerate warm weather somewhat better. However, even these breeds can overheat if exercised too intensely or for too long.
Senior dogs, puppies, overweight dogs, and dogs with heart or respiratory conditions are generally at greater risk of heat-related illness regardless of breed.
Signs Your Dog May Be Overheating
Dogs primarily cool themselves by panting, making them more vulnerable to heat stress than humans. It is important to recognize the warning signs before a situation becomes dangerous.
Common signs of overheating include:
- Excessive or heavy panting
- Thick or excessive drooling
- Bright red gums or tongue
- Weakness or lethargy
- Difficulty walking or loss of coordination
- Vomiting or diarrhea
- Increased heart rate
- Seeking shade or refusing to continue exercising
In severe cases, a dog may collapse, become unresponsive, or experience seizures. Heatstroke is a medical emergency that requires immediate veterinary attention. If you suspect your dog is overheating, move them to a cool, shaded area immediately, offer small amounts of cool water, and wet their body with cool (not ice-cold) water. Seek veterinary care if symptoms are significant or do not improve quickly.
Tips for Exercising Dogs Safely Outdoors During Summer
The good news is that most dogs can still enjoy outdoor activities during the summer with a few simple precautions.
Exercise During Cooler Hours: Plan walks and play sessions during the early morning or late evening when temperatures are lower. Midday sun can significantly increase the risk of overheating.
Bring Plenty of Water: Always carry fresh drinking water and a portable bowl during walks or outings. Encourage frequent water breaks, especially during longer activities.
Watch the Pavement: Hot asphalt and concrete can burn your dog’s sensitive paw pads. Before heading out, place the back of your hand on the pavement for several seconds. If it feels too hot for your skin, it is too hot for your dog’s paws.
Adjust Activity Levels: Shorten walks and reduce exercise intensity during hot weather. Instead of a long hike, consider multiple shorter walks throughout the day.
Seek Shade: Choose routes with tree cover or shaded paths whenever possible. Parks and wooded trails are often much cooler than open sidewalks and parking lots.
Know Your Dog’s Limits: Pay close attention to your dog’s behaviour. If they begin slowing down, panting heavily, or seeking shade, it is time for a break. Every dog has different limits, and those limits may change depending on temperature and humidity.
Fun Indoor Activities for Hot Days
Sometimes it is simply too hot to exercise safely outdoors. Fortunately, mental stimulation can be just as tiring and rewarding as physical exercise.
Food Puzzle Toys: Puzzle feeders and treat-dispensing toys encourage problem-solving while keeping dogs engaged. Stuffing a toy with wet food and freezing it can provide a long-lasting challenge on hot days.
Nose Work Games: Dogs naturally love using their sense of smell. Hide treats around the house and encourage your dog to find them. This simple activity provides excellent mental enrichment.
Training Sessions: Short training sessions are a great way to strengthen communication and build confidence. Practice basic obedience skills or teach fun tricks such as spin, bow, or shake paw.
Indoor Obstacle Courses: Use household items such as cushions, boxes, and chairs to create a simple obstacle course. Guide your dog through the course for a fun and interactive workout.
Hide-and-Seek: Have a family member hold your dog while you hide somewhere in the house. Call your dog and reward them when they find you. Many dogs find this game highly exciting and mentally stimulating.
Summer offers many opportunities for fun with our canine companions, but safety should always come first. By understanding your dog’s individual heat tolerance, recognizing the signs of overheating, adjusting outdoor activities appropriately, and providing enriching indoor alternatives when temperatures soar, you can help your dog stay active, healthy, and comfortable all season long. A little planning goes a long way toward making summer enjoyable for both you and your four-legged friend.
Article by Megan Despard, the owner of Wiggles and Whiskers Pet Services and a Certified Professional Pet Sitter. She lives with her family in St. Jacobs with her polydactyl rescue cat Winnie. www.wigglesandwhiskers.ca
