Free pet safety tool
How Cold Is Too Cold for Dogs and Cats?
On the Tufts TACC weather safety scale, dry, calm weather becomes potentially unsafe for most dogs below 45°F, dangerous below 30°F, and potentially life-threatening below 25°F for small dogs and below 15°F for medium, large, and giant dogs. Rain, wind, toy size, and puppy or senior age make it risky sooner, so check your own dog or cat below.
Educational guidance, not veterinary advice. If your pet shows signs of hypothermia, frostbite, or antifreeze ingestion, contact a vet or a poison hotline now: ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661 (fees apply).
Your pet and the weather
Runs in your browser. Live weather is optional and only loads when you ask.
Weights are approximate sizing hints, not part of the TACC scale.
Live weather (optional)
Uses the free Open-Meteo service only when you tap a button. Your location is never saved or put in the share link.
Air temperature in °F.
0 for calm. Wind above 3 mph lowers the feels-like temperature.
Is it too cold to walk my dog right now?
Updates as you change any input.
Risk level
TACC score 3 of 5
Use caution. The TACC scale flags a potentially unsafe situation depending on breed and time outdoors, so keep the walk short and watch for signs of cold.
- Air temperature
- 35°F
- Wind chill (NWS)NWS defines wind chill only at 50°F or below with wind above 3 mph.
- Not defined
- TACC chart (Medium / Large bar)Read at 35°F
- 3
- TACC score
- 3 of 5
TACC chart wording for score 3: "Indicators of a potentially unsafe situation, depending on breed, time outdoors. Inform owner of risk and proper shelter requirements."
Coat or sweater: Not usually needed
A coat is not usually needed in these conditions. Watch for signs of cold.
Booties: Optional
Booties are optional. If sidewalks are salted, wipe your dog's paws after the walk.
Head inside if you see
- Shivering, whining, or acting anxious
- Slowing down or searching out warm places
- Holding up one or more paws
Call a vet now if you see
- Sluggishness or confusion
- Severe shivering (which may stop as hypothermia progresses)
- Parts of the body that look pale and feel cool to the touch
- Skin on paws, ears, or tail that is pale, gray, or bluish, cold or brittle, painful, or swollen
Hypothermia, frostbite, or antifreeze? Call now.
- ASPCA Animal Poison Control Center: (888) 426-4435 (A consultation fee may apply.)
- Pet Poison Helpline: (855) 764-7661 ($99 incident fee applies.)
Or call your vet or nearest emergency vet.
Printable dog and cat cold weather chart
Dry, calm air temperature. Dogs: adult, medium coat, TACC score in 5°F rows. Cats: PetMD guideline bands.
Dog cold weather chart (TACC weather safety scale)
| Temperature | Toy (under 10 lb (4.5 kg)) | Small (10-25 lb (4.5-11 kg)) | Medium (25-55 lb (11-25 kg)) | Large (55-90 lb (25-41 kg)) | Giant (over 90 lb (41 kg)) |
|---|---|---|---|---|---|
| 60°F and above (16°C+) | OK | OK | OK | OK | OK |
| 55 to 59°F (13 to 15°C) | Low risk | OK | OK | OK | OK |
| 50 to 54°F (10 to 12°C) | Caution | Low risk | OK | OK | OK |
| 45 to 49°F (7 to 9°C) | Caution | Low risk | Low risk | Low risk | OK |
| 40 to 44°F (4 to 7°C) | Danger | Caution | Caution | Caution | Low risk |
| 35 to 39°F (2 to 4°C) | Danger | Caution | Caution | Caution | Caution |
| 30 to 34°F (-1 to 1°C) | Danger | Caution | Caution | Caution | Caution |
| 25 to 29°F (-4 to -2°C) | Severe | Danger | Danger | Danger | Caution |
| 20 to 24°F (-7 to -4°C) | Severe | Severe | Danger | Danger | Caution |
| 15 to 19°F (-9 to -7°C) | Severe | Severe | Danger | Danger | Danger |
| 10 to 14°F (-12 to -10°C) | Severe | Severe | Severe | Severe | Severe |
| 5 to 9°F (-15 to -13°C) | Severe | Severe | Severe | Severe | Severe |
| 0 to 4°F (-18 to -16°C) | Severe | Severe | Severe | Severe | Severe |
| Below 0°F (below -18°C) | Severe | Severe | Severe | Severe | Severe |
- OK = TACC 1: No evidence of risk
- Low risk = TACC 2: Risk unlikely
- Caution = TACC 3: Potentially unsafe
- Danger = TACC 4: Dangerous
- Severe = TACC 5: Potentially life-threatening
Adjust one step per point: add 2 pts. if dog out in rain / sleet; add 1 pt. if dog is < 6 months of age or elderly (puppies and seniors); subtract 1 pt. if dog is a northern or heavy-coated breed; subtract 1 pt. if dog has been acclimated to cold temperatures; subtract 1 pt. if dog has good shelter and bedding available. The toy column already includes the toy dog +1. Wind makes it colder: use the wind chill temperature.
Cat cold weather chart (PetMD guidelines)
| Temperature | Healthy adult cat | Kitten, senior, or hairless cat | Cat with arthritis, weight loss, or illness |
|---|---|---|---|
| 60°F and above (16°C+) | OK | OK | OK |
| 50 to 59°F (10 to 15°C) | OK | OK | Caution |
| 45 to 49°F (7 to 9°C) | OK | Caution | Caution |
| 32 to 44°F (0 to 7°C) | Too cold | Too cold | Too cold |
| Below 32°F (below 0°C) | Danger | Danger | Danger |
Caution = uncomfortable for this cat; Too cold = keep indoors (PetMD advises keeping indoor-outdoor cats inside below 45°F); Danger = all cats at risk of frostbite and hypothermia below 32°F. Sources: Tufts TACC weather safety scale and PetMD. Educational guidance, not veterinary advice. PetRoute, petroute.app.
Winter hazards for dogs and cats
Antifreeze (ethylene glycol): call right away
Ethylene glycol is odorless and sweet-tasting (PetMD). As little as one teaspoon can be fatal to a cat, and a tablespoon or two to a dog, depending on size (Pet Poison Helpline).
Early signs, within 30 minutes to 12 hours, look like drunkenness: wobbly walking, drooling, vomiting, seizures, and excessive thirst and urination. After 12-24 hours the pet can seem better while severe internal damage continues. The antidote works only if given within 3 hours for cats and 8-12 hours for dogs, so do not wait for signs (Pet Poison Helpline).
Clean up spills right away and consider antifreeze made with propylene glycol rather than ethylene glycol (ASPCA).
Ice melt and rock salt vs pet-safe ice melt
Most ice melts are salts: sodium chloride (rock salt), potassium chloride, calcium chloride, and magnesium chloride. Pets are exposed by licking their paws after a walk or eating treated snow. The most common problem is vomiting and diarrhea; eating a lot can raise sodium levels and cause tremors and seizures, and calcium chloride can cause mouth ulcers (ASPCA Animal Poison Control Center).
Pet-friendly ice melts usually contain urea or magnesium chloride. They are typically safer but can still upset the stomach (ASPCA Animal Poison Control Center). Calcium salts are the most irritating, and all ice melts can be hazardous (Pet Poison Helpline). Store ice melt out of reach.
Paw care after winter walks
Rub petroleum jelly or a vet-approved paw protectant into paw pads before going out, or use booties to keep salt and sand from lodging between toes. After each walk, wash and dry your pet's feet and belly, remove snowballs between the pads, and check for cracked pads or redness between the toes (ASPCA). Wipe paws with a damp cloth as soon as you get inside (ASPCA Animal Poison Control Center).
Signs of frostbite
Frostbite most often hits the paws, ears, and tail, especially when a dog is wet. Look for pale, gray, or bluish skin, skin that is cold or brittle to the touch, pain, swelling, blisters, or blackened skin. Signs can take several days to appear. Get veterinary care right away, and do not use direct dry heat such as a heating pad or hair dryer (VCA Animal Hospitals).
Signs of hypothermia
In dogs, watch for sluggishness, confusion, and severe shivering, which may stop as hypothermia gets worse (PetMD). Cats may shiver, curl into a tight ball, and feel cold, then become quiet and less responsive as hypothermia develops (PetMD). Warm your pet slowly by wrapping them in warm, dry towels or blankets (VCA Animal Hospitals) and call your vet.
Cars act like refrigerators
Do not leave pets alone in a car in cold weather. Cars can hold in the cold like a refrigerator, and animals can freeze to death (ASPCA).
Cats sleeping in car engines: bang on the hood
Outdoor cats crawl under car hoods for the warmth of the engine and can be badly hurt when the car starts. Before you start the car, knock or thump the hood, honk the horn, listen for movement, and wait a few moments for a cat to get out (VCA Animal Hospitals).
Emergency poison hotlines (24/7)
- ASPCA Animal Poison Control Center: (888) 426-4435. A consultation fee may apply.
- Pet Poison Helpline: (855) 764-7661. $99 incident fee applies.
Or call your vet or the nearest emergency vet.
How to use the pet cold weather safety checker
- Step 1
Choose dog or cat.
- Step 2
For a dog, pick its size and coat. For either pet, choose the age and check any health conditions.
- Step 3
Enter the temperature in °F or °C, the wind speed, and whether it is raining or snowing, or tap Use my current weather or search a city or ZIP code.
- Step 4
Read the color-coded risk level, the walk verdict, and the coat and bootie advice.
- Step 5
With live weather loaded, check the hourly strip for the safest time to walk today.
Cold weather pet safety FAQ
How cold is too cold for dogs?
It depends on size, coat, age, and conditions. On the Tufts TACC weather safety scale, dry, calm conditions become potentially unsafe below 45°F for small, medium, and large dogs (40°F for giant breeds), dangerous below 30°F (below 20°F for giants), and potentially life-threatening below 25°F for small dogs and below 15°F for medium, large, and giant dogs. Toy dogs, puppies, seniors, and dogs out in rain or sleet reach each level sooner. PetMD says most dogs are fine until about 45°F, and any dog can develop hypothermia or frostbite when outside for extended periods below 20°F.
How cold is too cold for cats?
PetMD says most cats begin to feel uncomfortable below 45°F and advises keeping even indoor-outdoor cats inside below 45°F. Below 32°F, all cats are at risk of frostbite and hypothermia with prolonged exposure. Kittens, seniors, and thin-coated or hairless cats feel the cold below 50°F, and cats with arthritis or significant weight loss can be uncomfortable below 60°F.
At what temperature should I put a coat on my dog?
No source gives one exact temperature. PetMD says cold is not a problem for most dogs until it falls below 45°F, so this checker suggests a sweater or coat below about 45°F for short-coated, small, young, senior, thin, or sick dogs (general guidance). ASPCA suggests a coat or sweater with a high collar for short-haired dogs. In rain, snow, or dangerous cold, use an insulated, windproof, water-resistant coat, because PetMD says sweaters and fleeces are not enough in extreme conditions. Thick double-coated breeds usually do not need one.
How long can a dog be outside in the cold?
None of the veterinary sources we checked publish a safe number of minutes, so this tool does not give one. The TACC scale says the length of exposure must be judged with common sense. PetMD says that below 32°F small, thin-coated, very young, old, or sick dogs could be in danger if they spend too much time outdoors, and below 20°F any dog can develop hypothermia or frostbite during extended time outside. As general guidance, keep walks short when the checker says use caution, and limit outings to quick potty breaks when it says dangerous or life-threatening.
Is antifreeze poisoning in dogs an emergency, and what ice melt is safe for pets?
Yes, antifreeze is an emergency. Pet Poison Helpline says as little as a tablespoon or two can be fatal to a dog (one teaspoon for a cat), and the antidote works only if given within 8-12 hours for dogs and 3 hours for cats. Call your vet, ASPCA Animal Poison Control at (888) 426-4435 (a consultation fee may apply), or Pet Poison Helpline at (855) 764-7661 ($99 incident fee applies) right away, even if your pet seems fine. No ice melt is completely safe: ASPCA says pet-friendly ice melts usually contain urea or magnesium chloride, which are typically safer but can still upset the stomach. Wipe paws after every walk.
Sources and methodology
All sources were checked November 1, 2026.
- Tufts Center for Animals and Public Policy (Patronek, 1997), Tufts Animal Care and Condition (TACC) scales, II. Weather safety scale (copy hosted by the Oregon VMA)
- PetMD (Jennifer Coates, DVM), How Cold Is Too Cold for Your Dog?
- PetMD (Sandra C. Mitchell, DVM, DABVP), How Cold Is Too Cold for Cats?
- National Weather Service, Understanding Wind Chill
- ASPCA, Cold Weather Safety Tips
- ASPCA, ASPCA Animal Poison Control
- ASPCA Animal Poison Control Center, Keeping Pets Safe during Winter: The Dangers of Ice Melts
- Pet Poison Helpline, Pet Poison Helpline home page (phone and fee)
- Pet Poison Helpline, Antifreeze Poisoning in Dogs & Cats (Ethylene Glycol Poisoning)
- Pet Poison Helpline, Is there really a "safe" ice melt?
- PetMD, Antifreeze Poisoning in Dogs: Symptoms, Treatment, and Prevention
- VCA Animal Hospitals, Frostbite in Dogs
- VCA Animal Hospitals, Cats, Cars and Cold Weather Safety
How the rating works
- Dogs are rated on the Tufts Animal Care and Condition (TACC) weather safety scale, which prints scores from 1 to 5 on diagonal bars for small, medium/large, and very large/giant dogs. We read each band from the published chart and rounded each boundary to the nearest 5°F. Small: 1 at 55°F and up, 2 at 45-54°F, 3 at 30-44°F, 4 at 25-29°F, 5 below 25°F. Medium/large: 1 at 50°F and up, 2 at 45-49°F, 3 at 30-44°F, 4 at 15-29°F, 5 below 15°F. Giant: 1 at 45°F and up, 2 at 40-44°F, 3 at 20-39°F, 4 at 15-19°F, 5 below 15°F.
- TACC's published points are applied exactly: +1 toy dog, +2 out in rain or sleet, -1 northern or heavy-coated breed, -1 good shelter and bedding, -1 acclimated to cold, and +1 under 6 months or elderly. The total is capped at 1-5.
- TACC has no wind term. When wind is above 3 mph and the air is 50°F or colder, the rating uses the National Weather Service wind chill, which NWS describes as how cold people and animals feel.
- Coat length (other than thick or northern coats), snow, and health conditions are not scored by TACC. They add labeled extra-caution notes from PetMD, VCA, and ASPCA instead of points.
- Cats are rated with PetMD's cat temperature guidelines (60°F, 50°F, 45°F, and 32°F bands).
- No source we checked publishes a safe number of minutes outside, so the tool gives none. Walk-length advice is general guidance. Dog size weights are approximate hints, not part of TACC.
- TACC was designed as a screening tool for animal welfare officers and is not a substitute for a veterinarian's assessment.
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