Have you ever watched your cat sunbathe and wondered if that fluffy fur coat is just too much for summer? When the temperature rises, our feline friends can suffer in silence. Cats are masters at hiding discomfort, which makes it even more important for us to notice when they’re struggling in hot weather. This guide is here to help you spot the subtle, sometimes surprising, signs that your cat might be overheating—so you can keep them cool, safe, and happy.
Heavy Panting or Open-Mouthed Breathing
Cats hardly ever pant the way dogs do. So when you see your cat breathing with their mouth open or panting heavily, it’s a clear red flag. This is one of the first and most obvious signs that your cat is having trouble handling the heat. Panting is a desperate attempt to cool down, especially since cats don’t sweat the way we do.
If your cat is sitting still and still panting, it’s time to act quickly. Move them to a cooler place and offer water right away. Unlike dogs, cats only pant when they’re truly overheated, stressed, or unwell. Ignoring this symptom can lead to heatstroke, which is extremely dangerous for cats. Always take panting seriously and monitor your cat closely if you see this sign.
Excessive Grooming and Licking
Have you ever seen your cat furiously licking themselves when it’s hot? Cats use grooming as a clever way to cool off, as the saliva on their fur evaporates and helps to bring down their body temperature. While grooming is normal, you might notice your cat is doing it much more often or in a frantic manner during a heatwave.
If your cat’s grooming seems almost obsessive, pay attention. Excessive licking can also lead to bald patches or irritated skin, making them more vulnerable to sunburn if they venture outside. This increased grooming is a subtle but important sign that your feline friend is struggling to stay comfortable in the heat.
Seeking Out Cool, Shaded Spots
Cats are natural heat-seekers, but when the weather turns sweltering, you might notice your cat hiding in the coolest places they can find. Suddenly, you’ll find them sprawled in the bathtub, pressed against tiles, or even hiding behind the toilet. These unusual spots are their way of escaping the oppressive warmth.
If your cat is avoiding their favorite sunny windowsill or cozy bed in favor of the bathroom floor, it’s a strong hint they’re overheating. Watch where your cat chooses to nap—if they’re constantly seeking the coldest corners of the house, the heat may be getting to them more than you think.
Lethargy and Unusual Tiredness
It’s normal for cats to nap a lot, but if your usually playful cat seems more sluggish than usual, the heat could be to blame. Lethargy in hot weather means your cat is using up more energy just to stay cool, leaving less for play and exploration.
You might notice your cat isn’t interested in toys, food, or even interacting with you. They may seem slow to respond or sleep even more than usual. While it’s tempting to chalk this up to a lazy cat day, don’t ignore it—lethargy in hot weather is a sign that your cat’s body is working overtime to stay safe.
Reduced Appetite and Water Intake
When the temperature climbs, some cats lose interest in food. While eating less can be normal during extreme heat, a sudden drop in appetite is a warning sign. Your cat might sniff their bowl and walk away, or totally ignore treats they usually love.
Worse, some cats also drink less water when they’re overheated, which can quickly lead to dehydration. Keep an eye on your cat’s food and water bowls. If you notice they’re barely touched, your cat could be at risk. This double whammy of not eating or drinking enough is a big red flag during summer months.
Warm Ears, Paws, or Belly
Touching your cat’s ears, paws, or belly can be surprisingly revealing. If these areas feel unusually hot, your cat could be overheating. Unlike humans, cats dissipate heat through their paw pads and ears, so these spots often get warmest first.
Try gently feeling your cat’s ears or paws when it’s hot outside. If they’re much warmer than usual, it’s a physical sign that your cat’s body is struggling to regulate its temperature. This is especially important for breeds with thick fur or flat faces, as they’re more prone to overheating.
Rapid Heartbeat and Breathing
A cat’s normal heartbeat is already fast, but when it’s racing or their breathing is rapid—even while resting—it’s time to worry. Overheating causes a cat’s heart and lungs to work harder, trying to pump blood and oxygen efficiently to cool down.
If you notice your cat’s sides moving quickly or if their heartbeat feels frantic, act quickly. This is a sign they may be heading toward heatstroke. Always check for these physical clues if you suspect your cat is getting too hot, especially after exercise or time outdoors.
Vomiting or Drooling
Vomiting or drooling in hot weather is never normal for cats. If your cat starts to drool excessively or vomit, it’s a sign their body is under serious stress from the heat. These symptoms often accompany advanced stages of overheating or dehydration.
Drooling, in particular, is rare for cats and should always be taken seriously. If you notice either of these symptoms, move your cat to a cool place and contact a vet immediately. This is one of the most alarming signs of heat exhaustion—and one you should never ignore.
Cats are experts at hiding discomfort, but hot weather can take a serious toll on their health if you’re not paying close attention. The eight signs in this list—like excessive grooming, lethargy, or panting—are your cat’s quiet pleas for help. Recognizing these early warning signals is key to preventing heat exhaustion or more serious issues. By keeping your cat cool, hydrated, and closely monitored during hot spells, you not only protect their well-being—you show them they can rely on you, no matter the weather.
Andrew Alpin from India is the Brand Manager of Doggo digest. Andrew is an experienced content specialist and social media manager with a passion for writing. His forte includes health and wellness, Travel, Animals, and Nature. A nature nomad, Andrew is obsessed with mountains and loves high-altitude trekking. He has been on several Himalayan treks in India including the Everest Base Camp in Nepal.
