Home › Pet Care Tips › How cold is too cold for dogs? A °C guide for Canadian winters
How cold is too cold for dogs? A °C guide for Canadian winters
Shopping from the US? Our buttons open Amazon.com. Prices and availability there can differ from the Canadian prices mentioned on this page.
Picks in this post
Opens on Amazon.com
Opens on Amazon.com
Opens on Amazon.com
How cold is too cold for dogs? There isn't one magic number. Cold tolerance depends on coat type, body fat, activity level and overall health, so the same temperature that feels fine for a husky can be rough for a Chihuahua or a senior with arthritis (AVMA).
This page puts the useful °C thresholds in one place — drawn from the American Veterinary Medical Association and the American Kennel Club — so you can shorten walks before your dog gets into trouble. It's general information, not a diagnosis. If you suspect hypothermia or frostbite, warm your dog and call your vet right away.
At a glance: cold thresholds in °C
- No single cutoff — coat, body fat, activity and health all matter; shorten walks in very cold weather (AVMA).
- Small and hairless breeds: keep outings below 0°C (32°F) to about 10–15 minutes (AKC).
- Puppies, seniors, arthritis: they feel cold more; if windchill is below about −7°C (20°F), keep play to 15–20 minute sessions (AKC).
- Early hypothermia: shivering, curling up for warmth; later: sluggishness, paleness (AKC).
- Never leave a dog in a cold car — it chills like a fridge (AVMA).
Suspected hypothermia or frostbite? Get them somewhere warm and call your vet immediately (AKC, AVMA).
Why there's no single "too cold" number
The AVMA is clear: how well a dog handles cold depends on their coat, body fat, activity and health. Thick double-coated working breeds often stay comfortable longer than small, short-haired or lean dogs. When the weather turns harsh, shorten walks and watch how your dog behaves rather than chasing one chart for every breed (AVMA).
Small and hairless dogs in cold weather
Small dogs and hairless breeds lose heat faster. An AKC-quoted veterinarian recommends keeping outings below 0°C (32°F) to about 10–15 minutes for these dogs (AKC). That doesn't mean a brief pee break is off-limits — it means don't linger for a long stroll or yard play once the thermometer drops below freezing.
If your small dog shivers, lifts paws, slows down or begs to turn around, head inside. A dry coat helps for short walks; see the coat section below and our best winter coats for dogs guide.
Puppies, seniors and dogs with arthritis
Puppies, senior dogs and dogs with conditions like arthritis feel the cold more than healthy adults. The AKC notes that when windchill falls below about −7°C (20°F), play should stay in short 15–20 minute sessions (AKC). Cold can also make arthritic joints stiffer, so keep outdoor time short and offer gentle indoor enrichment on the worst days — ideas in how to keep your dog busy in winter.
How long can dogs be outside in cold weather?
It still depends on the dog. Use the thresholds above as starting points: roughly 10–15 minutes below 0°C (32°F) for small and hairless breeds (AKC), and 15–20 minute play sessions when windchill is below about −7°C (20°F) for puppies, seniors and arthritic dogs (AKC). Healthy, thick-coated adults may manage longer walks, but still shorten them in deep cold and watch for shivering or reluctance (AVMA).
Hypothermia signs in dogs
Left in the cold too long, dogs can develop hypothermia. Early signs include shivering and curling up for warmth. Later signs include sluggishness and paleness (AKC). The AKC also lists changes in heart rate and breathing, delayed reflexes, depression, dilated pupils and loss of consciousness among signs to watch for (AKC).
Small dogs, seniors, puppies and short-coated dogs are at higher risk of losing body heat quickly (AKC).
See your vet: hypothermia or frostbite
- Get somewhere warm if you can (AKC).
- Call your vet immediately — don't wait to "see if they perk up" (AKC, AVMA).
- Minimize movement while they warm up; mild cases may need insulation and blankets, and more serious cases need veterinary care (AKC).
This page is general information, not a diagnosis. When in doubt, call your vet or the nearest emergency clinic.
Never leave a dog in a cold car
A parked car in winter can chill like a fridge. The AVMA warns against leaving a dog in a cold car — even a short errand can turn dangerous (AVMA). Bring your dog inside with you, or leave them home.
When a coat helps (and keep a dry spare)
A warm dog jacket or sweater can help minimize hypothermia risk for dogs who feel the cold, but clothing is an adjunct, not a substitute for shorter outings and common sense (AKC). Keep your dog dry before you go out: wet or damp fur is more vulnerable to frostbite (AKC). The AVMA also notes that wet coats make dogs colder, so keep a dry spare and swap if the first one gets soaked.
For a shortlist of options — a puffy winter coat for small and medium dogs, a plaid coat that runs up to large breeds, and a coat with a harness built in — see our best winter coats for dogs guide. Soft picks from that guide:
A puffy winter coat with three layers and a fleece lining. Useful for small and medium dogs who chill fast on short snowy walks. Keep a dry spare if this one gets wet.
Keep your pup cozy →Opens on Amazon.com
This windproof, waterproof coat is reversible with double fleece. One of the few options here that sizes up for larger breeds in wet West Coast winters.
Shop the coat →Opens on Amazon.com
This coat doubles as a harness — step in, zip up, clip the leash to the built-in D-rings. Handy for dark winter walks when you want fewer layers to fight with.
Shop this pick →Opens on Amazon.com
Paws take a beating on salted sidewalks too. After winter walks, wipe paws, legs and belly, and see our guide to the best paw balm for dogs in winter for wax-before / balm-after options.
Our take
How cold is too cold for dogs? Start with your dog, not a single chart: small and hairless breeds often need 10–15 minute outings below 0°C (32°F), and puppies, seniors and arthritic dogs should keep play to 15–20 minutes when windchill dips below about −7°C (20°F). Watch for shivering and curling up, never leave a dog in a cold car, and call your vet if you suspect hypothermia. Sources: AVMA, AKC, AKC, AKC.
Save this for later. For coat fit and picks, open the winter coats guide; for indoor days, try keeping your dog busy in winter.
Frequently asked questions
How cold is too cold for dogs?
There is no single cutoff. Cold tolerance depends on coat, body fat, activity and health. Shorten walks in very cold weather, and use size and age as a guide: small and hairless breeds often need shorter outings below 0°C (32°F).
How cold is too cold for a small dog?
An AKC-quoted veterinarian recommends keeping outings for small and hairless breeds below 0°C (32°F) to about 10–15 minutes. If your dog shivers or lifts paws, go inside sooner.
How long can dogs be outside in cold weather?
It depends on the dog. Rough starting points: about 10–15 minutes below 0°C (32°F) for small and hairless breeds, and 15–20 minute play sessions when windchill is below about −7°C (20°F) for puppies, seniors and arthritic dogs.
Do dogs feel windchill?
Yes — windchill matters. When windchill is below about −7°C (20°F), the AKC advises keeping play to 15–20 minute sessions, especially for puppies, seniors and dogs with arthritis.
What are early signs of hypothermia in dogs?
Early signs include shivering and curling up for warmth. Later signs include sluggishness and paleness. Get somewhere warm and call your vet immediately if you suspect hypothermia.
Is it safe to leave a dog in the car in winter?
No. The AVMA warns that a cold car can chill like a fridge. Don't leave a dog unattended in a cold vehicle.
Do coats help in cold weather?
A jacket or sweater can help dogs who feel the cold, but it doesn't replace shorter outings. Keep coats dry — wet coats make dogs colder — and never use clothing as a substitute for proper care.
When should I call the vet about cold exposure?
Call your vet right away if you suspect hypothermia or frostbite: warm your dog, minimize movement, and get veterinary help. This page is general information, not a diagnosis.
About this article
Written by the Snout & Tail Co. team using product listings and widely accepted pet-care guidance. We don't claim to have tested products ourselves, and this isn't veterinary advice. If your pet has a health concern, talk to your vet. How we pick · Disclosure
Want more ideas? Best winter coats for dogs has our full shortlist.