Does My Dog Need a Coat? A Straight Answer

It's a fair question, and the honest answer is: some dogs really do need a coat, and some would happily roll in the snow all day. A coat isn't about dressing your dog up — for the right dog it's practical kit that keeps them warm, dry and willing to actually go out in miserable British weather. Here's how to tell whether yours needs one, and how to choose well if the answer is yes.

Which dogs feel the cold?

Reach for a coat for:

• Thin-coated and fine-boned breeds — greyhounds, whippets, lurchers, Italian greyhounds, chihuahuas, staffies — who carry very little natural insulation or body fat.
• Small dogs generally, who lose heat faster because they have more surface area relative to their body size, and who are closer to cold, wet ground.
• Puppies and senior dogs, who regulate their body temperature less efficiently.
• Dogs that are unwell, slim, clipped short, or recovering from illness or surgery.

Thick double-coated breeds — huskies, malamutes, collies, German shepherds, Newfoundlands — are built for cold and generally don't need a coat; they have their own. That said, a lightweight waterproof layer can still make a soaking winter walk more pleasant and cut down drying time for any dog.

Warmth vs waterproof — they're different jobs

This is the key decision, and lots of people buy the wrong type:

• A fleece [jumper](/product/dog-fleece-lined-cotton-coat) is for *warmth*. Lovely for chilly indoor evenings, dry frosty mornings and thin-coated dogs who feel the cold at home. It is not rainproof.
• A [waterproof coat](/product/warm-cotton-padded-coat-hat-dogs-cats) is for *wet weather* — it keeps rain and wind off on walks. Many of the best combine the two: a water-resistant outer shell with a cosy, insulating lining, which is the most versatile choice for a UK winter.

Think about *when* your dog actually feels it — shivering on the sofa points to a jumper; reluctant in the rain points to a waterproof.

How to measure for the right fit

A badly-fitting coat either slips off or rubs, so measure properly:

1. Back length — from the base of the neck (where a collar sits) to the base of the tail. This is the key measurement coats are sized by. 2. Chest girth — the widest part of the ribcage, just behind the front legs. 3. Neck — for the collar opening.

Compare against the size guide on the specific coat. A good coat covers the back from neck to tail base and wraps the chest, without restricting the legs, gathering between the back legs, or rubbing under the armpits. If your dog is long-and-low (dachshund) or deep-chested (greyhound), look for breed-shaped cuts rather than a generic rectangle.

Fit and feature details worth checking

• Adjustable, secure fastenings (Velcro plus a clip is reassuring) that your dog can't wriggle out of.
• A harness opening or compatibility if you walk on a harness, so the lead clip can come through.
• Reflective detail for dark winter afternoons and early mornings.
• Easy on-and-off — a coat that's a battle to put on gets left at home.
• Belly coverage for thin-skinned breeds who feel the cold underneath.

Using a coat sensibly

Coats are for walks and outdoor time, not all-day indoor wear — a dog in a coat indoors, or one left on after a wet walk, can overheat or get a damp, itchy coat underneath. Take it off to dry once you're home, and make sure your dog can move, toilet and pant freely while wearing it.

Frequently asked questions

At what temperature does a dog need a coat? As a rough guide, below about 7°C thin-coated, small, young, old or unwell dogs feel it; below freezing, most non-double-coated dogs benefit on longer walks. Watch your individual dog for shivering, reluctance to go out, or lifting paws off cold ground.

Will my dog overheat in a coat? Indoors or on milder days, yes — use a light layer and take it off for naps. Coats are mainly for cold or wet walks.

Are dog coats just for show? For double-coated breeds, often yes. For thin-coated, small, senior, slim or unwell dogs, they're genuinely useful kit.

Jumper or waterproof — which should I buy first? If your dog shivers indoors or on dry cold days, a fleece jumper. If they hate the rain, a waterproof. A lined waterproof covers both.

How do I get my dog used to wearing a coat? Introduce it indoors for short, rewarded spells before the first walk, so it's associated with treats and going out, not restraint.

A quick note: Everypaw is a pet-supplies shop, not a veterinary service. Persistent shivering, or a dog that's suddenly very cold-sensitive, can have medical causes worth a vet check. The PDSA and Blue Cross offer free UK advice.

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