Does shaving a double coated dog really help with heat?

As a rule no. The undercoat of a double coated dog insulates from heat too and creates a layer of air that protects the skin, while the guard hair shields from the sun. Shaving removes this protection without opening a new cooling route, because the dog sheds heat mainly by panting and through the hairless areas, not through skin covered in fur. On top of that, regrowth of a double coat after shaving can be uneven. If you want heat relief, regular brushing, shade, water and walks in the cool hours are far more useful.

Can I shorten the coat myself at home?

For small hygienic touch ups, for example around an area that gets soiled, you can use round tipped scissors, plenty of calm and never aim for bare skin. For extensive work, a coat that mats or an animal that resists, it is better to see a groomer: they have the right tools, know how to keep a protective length and reduce the risk of cuts and stressful experiences. If the reason for shortening is medical, the decision and the method are set by the vet.

Does the coat always grow back the same after shaving?

Not always. On double coats a full shave can give uneven regrowth, with the undercoat returning before the guard hair and a coat structure different from before. On other coat types regrowth is more predictable. This is one reason why, on healthy double coats, dead undercoat is removed by brushing rather than shaving: you get an airier coat without risking its structure.

Should a cat be shaved in summer?

Almost never for heat alone. Cats groom and thermoregulate themselves, and shaving removes sun protection and is very stressful for many of them. Shortening mainly makes sense when there are extensive mats that can no longer be teased out without pain, or for a precise medical reason. In those cases the vet or a groomer decides, often limiting the work to the affected areas rather than shaving the whole body.

Grooming and hygiene15 minLevel: BeginnerUpdated on August 6, 2026

Shortening the coat in summer: when it helps and when it does not

Why shaving a double coated dog rarely helps with heat, which coats can be trimmed, how to do it safely, and how to manage summer without ever using scissors.

Audience: Pet owners
Species: Dog, Cat
Scope: Valid everywhere

What you need before you start

Sapere che tipo di mantello ha il tuo animale, a pelo singolo, a doppio pelo o raso, chiedendo al veterinario o a un toelettatore se hai dubbi
Una spazzola adatta al mantello e, solo se procedi, forbici a punte arrotondate oppure un tosatore con pettini distanziatori
Un ambiente fresco e ombreggiato dove l'animale possa riposare nelle ore più calde della giornata
Tempo senza fretta e la disponibilità a fermarti subito se l'animale si stressa o si agita

As soon as it gets hot, many people think that shortening the coat is the simplest way to keep their animal cool. It seems logical: less fur, less heat. In reality the coat does not work like a blanket you take off, and on many dogs and cats shaving does not cool at all and can even make heat management worse while removing protection from the skin. The right decision depends on the coat type, the state of the fur and the animal's condition, not on the season alone. This guide explains how the coat regulates temperature, which coats truly benefit from shortening and which do not, how to proceed safely when it makes sense, and above all how to help an animal through summer without touching the scissors. The final judgement on what to do for your animal comes from the vet or a groomer who knows its coat, not from a rule that fits everyone.

The coat is not just heat: what it really does

The coat of many animals is a multi layer structure that works both ways: it holds heat in when it is cold and slows the passage of outside heat towards the skin when it is hot. In double coated dogs, the soft undercoat creates a layer of air that insulates, while the longer guard hair shields the skin from sun and ultraviolet light. Dogs and cats, moreover, do not shed heat by sweating through the skin the way we do: they do it mostly through panting and through hairless areas such as the paw pads. Removing the coat, therefore, does not open a cooling route that was previously closed.

The undercoat insulates from heat as well as cold: removing it does not equal cooling.
The guard hair protects the skin from sunburn, a real risk on pale skin.
Dogs and cats regulate temperature by panting and through the pads, not through skin covered in fur.
A clean, mat free coat ventilates better than a matted one: often the issue is care, not length.
Coat type changes everything: what holds for a short coated dog does not hold for a double coated one.

Double coat, single coat or short coat: what changes

The sensible choice depends almost entirely on the coat type. Before reaching for scissors or clippers it is worth understanding which category your animal falls into, because the most common mistake is treating a double coat as if it were a coat that always grows back the same.

Coat types and recommended summer approach
Coat type	How it looks	What to consider
Double coat	Dense undercoat plus guard hair, heavy seasonal moult	Usually not shaved for looks: dead undercoat is brushed out, shaving can alter regrowth
Long single coat	Fur that grows continuously, prone to knots and mats	A hygienic trim is often useful, better done by a groomer who keeps a protective length
Short or smooth coat	Close lying hair, little or no undercoat	Nothing to shorten: shade, water and sun protection of pale skin are what matter
Curly or non shedding coat	Fur that needs regular cutting to avoid matting	Regular grooming is part of normal care, length is agreed with the groomer

When shortening makes sense and when it does not

Shortening the coat is not wrong in itself: it is wrong when done for the wrong reason. There are situations in which a trim, often only partial, truly improves the animal's life, and others in which it is a cosmetic choice that brings more drawbacks than benefits.

It makes sense when there are extensive mats that can no longer be teased out without pain: the compromised fur is then removed.
It makes sense for targeted hygiene, for example trimming around soiled areas or around a wound, on the vet's advice.
It makes sense when a skin problem or a medical condition requires keeping the area clean and dry: the vet decides.
It makes little sense to shave a healthy double coat just for fashion or the belief that it cools, because it often does not and it alters regrowth.
It makes no sense to reach bare skin for heat, because it exposes to sunburn and does not help thermoregulation.
When in doubt, brush well and ask a groomer or the vet before cutting, rather than proceeding and regretting it.

Proceeding safely, step by step

If you have decided, with the vet or a groomer, that shortening is needed, how you do it matters as much as the decision. Haste and the wrong tools are the most common cause of cuts to the skin and of experiences that make the animal wary the next time.

Detangle before cutting
Brush and detangle the coat as far as possible: on clean, knot free fur any work is faster, safer and often makes the cut you had in mind unnecessary.
Choose the right tool and do not cut to the skin
Use round tipped scissors for touch ups or a clipper with spacer combs to keep a protective length. Never aim for bare skin: a residual length shields from the sun and reduces the risk of cuts.
Work in a calm, well lit place
Choose a quiet moment, a stable surface and light that lets you see the skin clearly. Take frequent breaks and watch the animal: if it becomes agitated, you stop.
Mind the delicate areas
Go very carefully around ears, eyes, armpits, groin and legs, where the skin is thin and folds. In these areas it is easy to pinch or cut without noticing.
Never force it
If the animal firmly resists, do not insist. A single unpleasant episode can make every future grooming difficult. Better to stop and, if needed, leave the job to a groomer.
Check the skin afterwards
When finished, run your hands over the skin looking for redness, small cuts or irritation. If something looks off, note it and, if it worsens, ask the vet.

Managing heat without shaving

Most relief from heat comes not from the scissors but from managing the day. These are simple measures, valid for any coat, that do not strip the animal of the natural protection of its skin.

Move walks to the cool hours of early morning and evening, avoiding midday sun.
Always provide shade and a cool spot to lie on, plus clean water always available.
Brush regularly to remove dead undercoat during the moult: it is the most effective way to let the coat ventilate.
Wet the pads and paws with cool, not icy, water to help heat loss from the hairless areas.
Avoid scorching surfaces such as asphalt in the hot hours, which burn the pads and raise body temperature.
Never leave the animal in a car or a closed space in the sun, not even for a few minutes.

Frequently asked questions

Does shaving a double coated dog really help with heat?: As a rule no. The undercoat of a double coated dog insulates from heat too and creates a layer of air that protects the skin, while the guard hair shields from the sun. Shaving removes this protection without opening a new cooling route, because the dog sheds heat mainly by panting and through the hairless areas, not through skin covered in fur. On top of that, regrowth of a double coat after shaving can be uneven. If you want heat relief, regular brushing, shade, water and walks in the cool hours are far more useful.
Can I shorten the coat myself at home?: For small hygienic touch ups, for example around an area that gets soiled, you can use round tipped scissors, plenty of calm and never aim for bare skin. For extensive work, a coat that mats or an animal that resists, it is better to see a groomer: they have the right tools, know how to keep a protective length and reduce the risk of cuts and stressful experiences. If the reason for shortening is medical, the decision and the method are set by the vet.
Does the coat always grow back the same after shaving?: Not always. On double coats a full shave can give uneven regrowth, with the undercoat returning before the guard hair and a coat structure different from before. On other coat types regrowth is more predictable. This is one reason why, on healthy double coats, dead undercoat is removed by brushing rather than shaving: you get an airier coat without risking its structure.
Should a cat be shaved in summer?: Almost never for heat alone. Cats groom and thermoregulate themselves, and shaving removes sun protection and is very stressful for many of them. Shortening mainly makes sense when there are extensive mats that can no longer be teased out without pain, or for a precise medical reason. In those cases the vet or a groomer decides, often limiting the work to the affected areas rather than shaving the whole body.

What to do next

Before reaching for the scissors, ask whether you are solving a real problem or chasing the idea that less fur means less heat. On healthy double coats shaving usually does not cool and removes protection, while regular brushing, shade, water and walks in the cool hours help far more. Shorten when it is truly needed, for mats that cannot be teased out or for hygienic and medical reasons indicated by the vet, and in those cases proceed calmly, without reaching bare skin and leaving extensive work to a groomer. And remember that excessive heat, up to heatstroke, is dealt with by cooling the animal and calling the vet, not with scissors.