A fur coat, four paws close to hot pavement, and no way to sweat — summer is harder on pets than it looks. Here’s how to keep them safe and comfortable.

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Why Heat Is More Dangerous for Pets Than You Think

Dogs and cats can’t cool down the way people do. They have very few sweat glands, relying mostly on panting and a little bit of sweating through their paw pads to regulate temperature — both far less efficient than the full-body sweating humans use. That gap means pets overheat faster than most owners expect, sometimes in conditions that feel only mildly warm to a person standing nearby.

The habits in this guide are less about avoiding the outdoors altogether and more about timing, awareness, and a few small adjustments that make a real difference on hot days.

Most of it comes down to a handful of habits repeated consistently through the season — nothing dramatic, just steady attention to a few details that are easy to overlook when the weather’s nice and everyone’s eager to be outside.

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Recognizing the Early Signs of Overheating

Heavy panting, drooling more than usual, bright red gums, and noticeable lethargy are often the first signs that a pet is struggling with heat. Catching these early gives you a chance to cool them down before anything more serious develops.

Brachycephalic breeds — pugs, bulldogs, and other flat-faced dogs — show distress especially fast, since their airways are already narrower and less efficient at moving air for cooling, even in mild heat.

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Heatstroke: A True Emergency

Seek emergency care immediately for: collapse, vomiting, uncoordinated movement, seizures, or a body temperature above 104°F. Heatstroke can cause organ damage within minutes and needs veterinary treatment, not just home cooling.

While heading to the vet, you can begin cooling with cool (not ice-cold) water on the belly and paws — ice-cold water can actually trap heat by causing blood vessels near the skin to constrict, working against you rather than helping.

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Hot Pavement and Paw Safety

Asphalt and concrete absorb heat and can reach temperatures far higher than the air around them, easily hot enough to burn sensitive paw pads within seconds. A simple test: press the back of your hand to the pavement for seven seconds — if it’s too hot for your hand, it’s too hot for their paws.

Walking on grass or dirt instead, using protective booties, or timing walks for cooler parts of the day all help avoid burns that can otherwise take weeks to heal.

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Rethinking Walk Times and Routes

Early morning and evening are almost always cooler than midday, and shifting walks to those windows can make a meaningful difference on hot days. Stick to shaded routes when possible, and shorten walk length on especially hot or humid days rather than sticking rigidly to a normal routine.

Humidity matters as much as temperature — high humidity makes panting less effective at cooling a pet down, so a hot, muggy day can be more dangerous than a hotter, drier one.

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Keeping Pets Hydrated

Fresh, cool water should be available at all times during warm weather, both indoors and out. Bring extra water on walks or outings, and consider adding a second water bowl in a shaded outdoor spot if your pet spends time in the yard.

Some pets drink more readily when water is refreshed often or has ice cubes added, which can also serve as a low-key cooling treat on a particularly hot afternoon.

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Cooling Down the Home

If your home doesn’t have reliable air conditioning, fans, shaded rooms, and cooling mats can help keep a pet comfortable during the hottest parts of the day. Tile or hardwood floors tend to stay cooler than carpet, and many pets naturally gravitate there when they need to cool off.

Never leave a pet in a room without ventilation or airflow on a hot day, even briefly — a closed-up space can heat up faster than people expect, especially with sun coming through a window.

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Never Leave Pets in a Parked Car

This one deserves its own heading because it’s one of the most preventable causes of pet heatstroke every year. Even with windows cracked, a parked car’s temperature can climb dramatically within minutes on a warm day, turning it into a genuine hazard far faster than most people realize.

If you can’t bring your pet inside wherever you’re headed, it’s safer to leave them at home entirely rather than risk even a short stop in the car.

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Breeds and Pets at Higher Risk

Flat-faced breeds, thick or double-coated dogs, senior pets, very young animals, and pets with obesity or existing heart or respiratory conditions all face a higher risk of overheating. These pets need extra caution — shorter outdoor time, closer monitoring, and a lower threshold for calling it a day and heading back inside.

If you’re unsure how heat-sensitive your particular pet is, a quick conversation with your vet about their breed and health history can help you calibrate how cautious to be.

It’s also worth noting that even generally heat-tolerant pets can have an off day — recent illness, medication, or simply being less acclimated after a stretch of cooler weather can all temporarily raise their risk, so it’s worth staying a little more watchful after any of these.

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Grooming and Coat Considerations

It’s tempting to shave a heavily coated dog for summer, but a full coat often actually helps regulate temperature and protects skin from sunburn, so shaving isn’t always the right call. A trim to remove excess length and mats is usually a better middle ground than a full shave for most double-coated breeds.

Regular brushing during shedding season also helps remove excess undercoat, which improves airflow to the skin and makes it easier for a pet to stay cool naturally.

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Water Play and Swimming Safety

Supervised water play is a great way to help pets cool down, but not every pet is a natural swimmer, and even confident swimmers can tire quickly in open water. A pet life vest is a smart addition for boating, deep water, or any pet still building confidence.

Rinse off chlorine or salt water after swimming, since both can irritate skin over time, and always provide fresh drinking water nearby — pets sometimes drink pool or lake water instead, which can lead to stomach upset.

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Sun Exposure and Sunburn

Pets with light-colored or thin fur, and areas like the nose, ear tips, and belly, are all vulnerable to sunburn, especially during peak midday sun. Pet-safe sunscreen exists and is worth using on exposed, sensitive areas during long outdoor stretches — never use human sunscreen, since some ingredients are toxic if licked off.

Shade should always be available during outdoor time, whether from trees, an umbrella, or a covered patio, giving your pet somewhere to retreat if the sun becomes too much.

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Hot Weather Events and Travel

Outdoor gatherings, fairs, and road trips all come with extra heat risk worth planning around. Bring a portable water bowl and shade source to events, check on your pet regularly rather than assuming they’re fine, and watch for early signs of distress in crowded, hot environments.

For car travel, run the air conditioning ahead of loading your pet in, and never assume a “quick errand” justifies leaving them in the vehicle, even for a few minutes.

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Quick Cooling Techniques That Actually Work

Cool, not cold, water on paws, belly, and ears — never ice baths, which can cause shock

A damp towel draped over the back and neck in a breeze or under a fan

Frozen treats like ice cubes in water or pet-safe frozen broth

Moving to shade or air conditioning immediately at the first signs of distress

A cooling mat or vest for pets who spend extended time outdoors