Indoor Warmth vs. Winter Walks — How to Prevent Hypothermia and Frostbite in Pets

ImmunityPreventionMeongsiljang Veterinary Advisory Board

Pets are vulnerable to hypothermia and frostbite during the winter. We’ve summarized key preventive measures, such as adjusting outdoor time, caring for paw pads, and maintaining indoor temperature and humidity.

Why Is Winter Care for Pets Important?

Dogs and cats gazing out the window at the snow

Winter care for pets is a comprehensive preventive approach that protects against cold-related illnesses like hypothermia and frostbite by managing outdoor time, body temperature, and skin health. The most critical aspect is detecting early warning signs. If your pet is shivering or their ears and paw tips feel cold and look pale, they have already begun losing body heat; immediately bring them indoors and wrap them gently in a blanket or towel. Hypothermia begins when body temperature drops below normal (approximately 38°C or higher for dogs). Initially, pets will shiver and seek warmth, but as their temperature continues to fall, even this response will cease. Small breeds, kittens, and pets with low body fat are especially vulnerable to heat loss, requiring extra vigilance on cold days.

Essential Checks Before Winter Outings

On cold or windy days, shorten your pet’s walk compared to usual, and for small dogs or those with low body fat, it’s safer to replace strenuous outdoor time with indoor activities. Since a wet coat makes pets much more susceptible to hypothermia, gently wipe their paws and belly with lukewarm water after going out and ensure they are thoroughly dried. De-icing agents like calcium chloride spread on snow and ice can irritate the skin and mucous membranes, or cause gastrointestinal symptoms such as vomiting and drooling if licked or contacted, so be sure to carefully clean their paws and belly with lukewarm water after every outing.

Warning Signs of Hypothermia and Frostbite

Cold-related injuries typically begin at the extremities, such as the tips of the ears, toes, tail, and scrotum. - Shivering: This is an early sign indicating mild hypothermia, occurring when body temperature drops below the normal range for dogs (approximately 38–39.5°C). - Lethargy: Your pet may become slow to respond and may stop walking to sit or lie down. - Pale gums: This signals reduced blood circulation. - Cold extremities: The tips of the ears and paws feel ice-cold to the touch. - Skin color changes: As frostbite progresses, the skin color shifts from pale to bluish, and finally to black. - Decreased sensation: The affected areas do not react when touched.

A pet owner checking their dog's paw pads indoors

Body Temperature Management — Clothing, Boots, and Blankets

For short-haired breeds and small dogs, a windproof padded jacket significantly reduces heat loss during winter walks. Choose a fit that covers the belly and chest without restricting movement in the neck and armpits. If you’re concerned about frostbite or irritation from de-icing salts on their paw pads, consider using dog boots or applying a paw balm (petroleum-based) after walks. Indoors, let them rest on insulated mats or blankets instead of cold floors to reduce joint strain.

Indoor Environment — Temperature, Humidity, and Ventilation

During winter, keep indoor temperatures comfortably moderate—neither too cold nor too hot—and maintain a stable humidity level with minimal fluctuations. Avoid direct skin contact with heat sources such as space heaters or electric heating pads, as this can easily cause low-temperature burns; always keep them at a safe distance. Cases of burns from heating devices have been reported, so extra caution is warranted. Additionally, proper ventilation is essential for maintaining clean air, so briefly ventilate the room several times a day to keep the indoor air fresh.

Winter Outing Guide by Body Type and Breed

Item	Small/short-haired	Medium mixed-coat	Large/double-coated
Outing time at 5℃	15–20 min	30–40 min	60 min or more
Outing time at 0℃	Within 10 min	Within 20 min	30–40 min
-5℃ or below	Stay indoors recommended	10–15 min	Within 20 min
Need for clothing	Essential	Recommended	Optional
Need for boots	Recommended	Optional	Optional

For senior or young animals, or those with concurrent heart disease or joint disease, shorten to about half these times.

Proper Winter Walk Routine

Start with light warm-up exercises before walks to reduce joint strain, and gradually slow down on the way home to help your pet catch their breath. - Before heading out: Check your pet’s condition, temperature, and wind speed (postpone if the feels-like temperature is below -10°C) - During the walk: Avoid icy surfaces and areas treated with de-icing agents - Right after returning home: Wipe paws and belly with lukewarm water, and thoroughly dry wet fur - Wrap-up: Offer a cup of warm water and a comfortable resting space - Monitor for symptoms: Visit the vet if limping, coughing, or shivering persists for more than two hours

A dog wearing winter clothes and taking a walk with its owner.

Additional Precautions by Breed and Condition

Brachycephalic breeds (such as Bulldogs, Pugs, and Pekingese) have anatomically narrowed airways, which increases respiratory resistance. Their symptoms are known to worsen significantly in hot and humid conditions. Regardless of the season, closely monitor for signs of difficulty breathing or cyanosis, and immediately move your pet to a stable, comfortable environment if any abnormalities are observed. Conversely, extra-small short-haired breeds like Chihuahuas and Italian Greyhounds lose body heat faster than other breeds due to their high surface-area-to-weight ratio. For dogs with heart disease, diabetes, or hypothyroidism, cold-induced vasoconstriction can exacerbate their symptoms, so please establish clear guidelines with your veterinarian for winter outings in advance.

Diet and Immune Management in Winter

In cold weather, pets expend more energy to maintain their body temperature, so those active outdoors may have higher energy (calorie) needs than usual. However, the appropriate amount of increase varies depending on each pet’s weight changes and activity level, so it’s best to adjust their food intake in consultation with a veterinarian. On the other hand, if your pet spends more time indoors and is less active, carefully adjust their portion sizes to prevent weight gain. Additionally, pets should always have free access to clean water to help maintain a normal body temperature. Placing multiple water bowls around the house or offering lukewarm water can encourage adequate hydration.

Reviewed by a veterinarian

Dr. Tony — Punnawat Phongkittirak

Veterinarian

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.

Frequently Asked Questions

At what temperature should you start dressing your dog in clothes?

There’s no single, fixed temperature that applies to every pet. In general, as the weather gets colder, smaller dogs or those with short coats benefit from wearing windproof clothing. Pets with low body fat, puppies, or those with underlying health conditions are especially prone to losing body heat, so it’s safer to start dressing them in protective clothing earlier.

Even though my cat stays indoors, do I still need to prepare for winter?

Yes, it is necessary. The main risks include dryness, cold burns, and reduced activity levels caused by heating. Keep the indoor humidity stable without significant fluctuations, and instead of using heated mats that come into direct contact with your pet’s body, create a warm resting spot using blankets or enclosed beds.

My dog licked its paws after walking on snow treated with de-icing agents. Is this a cause for concern?

Small amounts usually cause only mild gastrointestinal irritation, but if vomiting, diarrhea, or excessive drooling occurs, seek veterinary care immediately. As a preventive measure, wipe your pet’s paws, belly, and the area around its mouth with lukewarm water right after walks.

What should I do if I suspect frostbite?

Avoid using hot water, hair dryers, or massage, as these can worsen tissue damage. Move your pet to a warm room and gently wrap them in a blanket or warm towel to gradually restore their body temperature. If their skin color does not return to normal or if blisters appear, seek immediate veterinary care.

How often should I bathe my dog in winter?

For a healthy adult dog, bathing every three to four weeks is generally appropriate. After bathing, it’s essential to thoroughly dry your dog with a hair dryer to prevent hypothermia and skin inflammation, and it’s safest to wait at least two hours before going outside.

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References

[1] Ettinger SJ, Feldman EC, Cote E. Textbook of Veterinary Internal Medicine, 8th Edition. Elsevier, 2017. Chapter on Hypothermia and Frostbite

[2] Miller WH, Griffin CE, Campbell KL. Muller and Kirk's Small Animal Dermatology, 7th Edition. Elsevier Mosby, 2013. Chapter on Environmental Skin Diseases

[3] Silverstein DC, Hopper K. Small Animal Critical Care Medicine, 2nd Edition. Elsevier, 2015. Chapter on Accidental Hypothermia

[4] American Veterinary Medical Association (AVMA). Cold Weather Animal Safety Guidelines, 2023