Checklist
How do I keep my cat safe and warm in winter?
Indoors is safest: if it's too cold for you, it's too cold for your cat. Give a warm draft-free bed off the floor, clean up antifreeze spills (lethal), and protect paws from salt and de-icers.Fact
The quiet winter killers are antifreeze (a tiny amount is fatal) and outdoor cold exposure. Indoor comfort is mostly warmth and humidity.
Applies to: All cats in cold weather; especially outdoor/community cats, seniors, thin-coated and hairless breeds. This is prevention — hypothermia or antifreeze exposure is an emergency.
Checklist
Indoor warmthFact
- 'If it's too cold for you, it's probably too cold for your pet' — keep cats inside
- A warm sleeping spot OFF the floor and away from all drafts
- Humidify indoor air to prevent dry, flaky skin
- Thin-coated/hairless breeds (Sphynx/Rex): extra warmth, sometimes a sweater
The winter poisons & trapsFact
- Antifreeze is LETHAL to cats — clean vehicle spills thoroughly; a licked paw can be fatal
- Never leave a cat in a parked car in cold — it holds the cold like a refrigerator
- De-icing salt and chemicals irritate and poison paws
Paw & skin careFact
- Vet-approved paw protectant (e.g. petroleum jelly) before any cold outdoor exposure
- Wash and dry paws after outdoors to remove ice, salt, chemicals
- Minimize baths in cold spells to preserve protective coat oils
Normal vs keep-watching
Normal: An indoor cat curled in a warm draft-free spot, skin and coat healthy through the season.
Keep watching: Shivering, seeking heat sources constantly, dry flaky skin, paw licking after outdoors.
When to contact a vet. Shivering, weakness, or a cold, unresponsive cat (hypothermia), OR any suspected antifreeze exposure (even a lick) is an EMERGENCY — call a vet or ASPCA Poison Control (888) 426-4435 immediately; antifreeze poisoning is fatal without fast treatment and is never managed at home.
What changes this answer
- Indoor-only vs outdoor access (exposure)
- Thin-coated/hairless/senior cat (extra warmth)
- Garage/driveway with vehicle fluids (antifreeze risk)
Common mistakes
- Assuming a fur coat makes any cold safe
- Leaving antifreeze spills
- Cold-spell baths that strip coat oils
- A bed on a cold draughty floor
Sources
- ASPCA (animal-welfare authority; PRIMARY tier 1-2) · Tier 2 · verified 2026-07-21
Real questions cat owners ask
- How cold is too cold for a cat?
- Is antifreeze really that dangerous to cats?
- Do indoor cats get cold?
Thin-coat or senior in your Passport profile flags extra winter-warmth reminders in This Week. Set up your Cat Passport.