How to Keep Cats Cool in Hot Weather

Summer is one of the best times of year to share with a cat. Long, light evenings, sunny windowsills to stretch out on, and the gentle, contented sprawl of a cat who has found the perfect warm spot. Cats are sun-lovers by nature and most take the heat in their stride far better than we do. That said, they are also less equipped than we are to cool themselves down, and the signs that warmth has become too much can be quiet and easy to miss. A little forethought on the hottest days makes all the difference, letting your cat enjoy summer while staying safe and comfortable, whether they spend their days indoors or out on adventures.

This guide covers the simple, practical ways to keep your cat cool through summer, the quieter signs that warmth has tipped into too much, and a few less obvious ideas that even seasoned cat owners may not have tried.

Quick navigation

• Do cats like hot weather?
• How to keep a cat cool in hot weather
• Cooling ideas you may not have tried
• Indoor cats and hot weather
• Outdoor time and harness walks in summer
• What to feed cats in hot weather
• Signs your cat is too hot

Do cats like hot weather?

For the most part, yes. Cats are genuinely happiest in warmth that the rest of us find a little much, which is why you will so often find them seeking out sunny patches and radiators. This is not just preference, it is physiology: a cat's thermoneutral zone, the range in which they stay comfortable without expending energy to warm up or cool down, is considerably higher than ours, sitting somewhere around 30 to 38°C (86 to 100°F).⁽¹⁾ In other words, a room that feels pleasantly warm to you may feel just right to your cat.

Much of this traces back to their origins. The domestic cat descends from the African wildcat, a desert-dwelling hunter built for hot, arid conditions, and that heritage still shapes how well today's cats handle warmth.⁽²⁾ The key thing to keep in mind is the difference between warmth a cat chooses and heat they cannot escape. A cat sunbathing who can move into the shade whenever they like is regulating themselves perfectly well. A cat shut in a conservatory, or in a sunny flat with no cooler room to retreat to, is in a very different situation. Get the setup right, and your cat will happily do the clever part themselves.

How to keep a cat cool in hot weather

Most of keeping a cat cool comes down to giving them options and removing the situations where they could get trapped in the heat. None of this is complicated, and your cat will usually take care of the rest.

Give them cool places to retreat to

Cats are excellent at finding the coolest spot in a home, so the kindest thing you can do is make sure such a spot exists. Keep curtains or blinds drawn on the sunny side of the house during the hottest part of the day, and leave interior doors open so your cat can move between rooms and choose where to settle. A tiled bathroom or kitchen floor often becomes a favourite, and some cats will happily settle in an empty bath or sink where the surface stays cool.

Keep fresh water everywhere

Hydration matters more in the heat, and cats can be fussy drinkers. Place several water bowls around the home rather than relying on one. Many cats drink more readily from a wide, shallow bowl or a pet water fountain, and refreshing the water through the day keeps it cooler and more appealing.

Create airflow and shade

A fan positioned to move air through a room helps, though cats benefit less from fans than we do because they are not relying on sweat evaporation. What helps more is a genuinely cooler space: a shaded room, good ventilation, and somewhere out of direct sun. Opening windows on opposite sides of the house creates a through-draught that brings the temperature down, though do make sure upstairs windows are safe before you leave them open. If you use a cooling mat, offer it as one option among several rather than placing your cat on it, since they prefer to choose for themselves.

Cooling ideas you may not have tried

The basics will handle most of the job, but a few simple tricks can make a real difference on the hottest days, and most cats find them genuinely enjoyable.

Turn ice into a game

Scatter a few ice cubes onto a tray or a section of hard floor you do not mind getting a little damp, and let your cat bat them around. Many cats are fascinated by a sliding cube and will chase it until it melts. It cools their paw pads, which is one of the few places they shed heat, and gives them gentle, low-energy enrichment at a time of year when they are reluctant to do much else.

Freeze their treats

Lickable treats and wet food lend themselves perfectly to summer. Spoon a little wet food or a lickable treat into an ice cube tray or ice lolly mold and freeze it overnight for a cool, slow snack that also tops up their water intake. For something even more tempting, freeze a low-salt broth, or the water from a tin of tuna in spring water rather than brine, into cubes. Some cats prefer a softer, slushy texture to something rock hard, so let yours show you what they like.

The frozen water bottle trick

Fill a plastic bottle with water, freeze it overnight, wrap it in a thin towel and place it near your cat's favourite resting spot. It becomes a cool surface they can lie beside, and positioning it in front of a fan chills the moving air a little further. As with a cooling mat, leave it as an option rather than pressing your cat to use it.

The soup trick for fussy drinkers

If your cat is not drinking enough, stir a little extra water into their wet food to make a loose soup. Start with a small amount and increase it gradually so they do not become suspicious of their suddenly wetter dinner. It is an easy way to raise their water intake without them quite realising.

Mind the sunburn

This one catches many owners off guard. Cats can and do get sunburnt, most often on the ear tips, nose and eyelids, and white or pale-coated cats are particularly at risk because they have less pigment to protect their skin. Repeated sun damage can lead to skin problems over time, so keep light-coloured cats out of strong midday sun and have any persistent redness, flaking or a scab that will not heal checked by your vet.⁽²⁾

Brush a little more often

Knots and matted fur trap heat against the body. A little extra brushing through summer keeps the coat aerated and helps your cat stay cool, and it matters most for long-haired cats, who feel the heat sooner.

Indoor cats and hot weather

It is easy to assume that an indoor cat is automatically safer in a heatwave, but that is not always the case. A closed-up flat or a room that catches afternoon sun can become considerably hotter than the shaded garden outside. Indoor cats rely entirely on the environment you provide, so they deserve particular thought during hot weather.

A useful rule of thumb is that if a room feels uncomfortably warm to you, it is too warm for your cat. Make sure they always have access to a cooler room, and be especially careful about spots that heat up fast. Conservatories, sheds, greenhouses, garages and parked cars are the most common cause of trouble: they grow dangerously hot even on days that feel mild, and a cat shut inside one with no ventilation can be in serious difficulty within minutes. Before you close the door on any of these, take a moment to check your cat has not slipped in unnoticed.

Outdoor time and harness walks in summer

For cats who go outside, or who explore on a harness and leash, summer changes the timing of things rather than ruling adventures out. The midday hours, roughly late morning to mid-afternoon, are when the sun is most punishing and pavements and patios can grow hot enough to be uncomfortable underfoot. Early morning and the cooler part of the evening are far kinder for walks and outdoor time, which suits cats anyway, since they are naturally most active at dawn and dusk.

If your cat enjoys supervised outdoor adventures, comfort matters all the more in the heat. Our harness and leash set is made from breathable natural materials such as soft leather and vegan cork, which sit more comfortably against the body on a warm day than synthetic alternatives. Keep walks short and shaded, carry water for longer outings, stick to grassy or shaded routes rather than hot paving, and head home the moment your cat shows any sign of feeling the heat.

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It is also worth remembering that windows and doors tend to be left open in summer, which is one of the most common ways indoor cats slip outside unexpectedly. Making sure your cat is wearing up-to-date identification gives you real peace of mind during the warmer months. A custom engraved ID tag or an AirTag holder on their collar means that if the heat and an open window tempt them further than usual, they have the best possible chance of finding their way home.

What to feed cats in hot weather

Appetite often dips a little in hot weather, much as ours does, and this is usually nothing to worry about in the short term. There is no need to change your cat's diet for summer, but a few small adjustments can help. Wet food adds welcome moisture and supports hydration, so it is a good choice on hot days, though it spoils faster, so lift uneaten portions promptly rather than leaving them out in the warmth.

Beyond the frozen treats and soup trick above, keep things sensible and stick to foods you know agree with your cat. The priority in hot weather is always water rather than food, so focus your attention there.

Signs your cat is too hot

With the right setup, most cats sail through summer comfortably. Even so, it helps to know what to watch for during a hot spell. Some early behaviours are simply your cat regulating themselves and nothing to worry about:

• Seeking out cool spots such as tiled floors, sinks, baths or shaded corners
• Lying stretched out and flat rather than curled up
• Grooming more than usual to spread cooling saliva across the coat
• Drinking more, or lingering near water
• Being less active, dozing more, and reluctant to play

These are normal coping behaviours. The signs that warmth has tipped into genuine distress are more serious, and any of the following means your cat needs to be cooled down and assessed straight away: panting or open-mouthed breathing, drooling, lethargy or weakness, vomiting, an unsteady or wobbly gait, and gums that look unusually bright red or pale. A panting cat is not like a panting dog: dogs pant routinely, but cats rarely do, so panting usually means your cat is already struggling.⁽³⁾ Heatstroke in cats can progress alarmingly quickly, so if you see these signs, treat it as urgent and contact your vet. Older cats, very young kittens, overweight cats, flat-faced breeds, and cats with heart or respiratory conditions are most vulnerable and deserve closer attention when temperatures rise.⁽⁴⁾

With a little forethought, hot weather is something you and your cat can enjoy together. Cool places to retreat to, plenty of fresh water, shade, and the freedom to choose are all most cats need to make the most of summer, comfortable and content alongside you.

This article is intended as general guidance and is not a substitute for veterinary advice. If you are ever concerned about your cat's health, please contact your vet.