Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

How to Keep Kittens Warm: Vet-Approved Techniques & Safety Tips

Share

newborn kitten in man's hand

Kittens are cute, cuddly, and a joy to watch as they grow and mature. However, it’s vital to keep them warm for the first few weeks of their life. The younger the kitten, the more important it is for you to keep them warm and cozy.

How do you keep kittens warm, and why is it so critical besides the obvious need for warmth? If your cat just had kittens, you found an abandoned litter, or you found a single kitten left on its own, read on. The information below will empower you to warm it up correctly, keep it warm, and might help you save its little furry life.

divider 3 paws

Why Do Kittens Need an External Heat Source?

When it gets cold, an adult cat can generally stay warm by controlling its body temperature, a process called thermoregulation. Adult cats will seek out warmer areas and can shiver to help increase their body temperature.

Kittens, however, can’t shiver for the first 7 to 10 days of their life and thus can’t generate heat to stay warm. This inability to control their body temperature leaves a kitten vulnerable to cold and could lead to the animal’s death in a cold enough environment.

In most cases, this isn’t a problem because the kitten will have its mother and littermates to help them stay warm and cozy. If a kitten doesn’t have its mother around (or its siblings), keeping it warm falls entirely to you as its pet parent. You must provide some external heat source until your kitten is old enough to regulate their body temperature.

kittens sleeping
Image Credit: New Africa, Shutterstock

divider 3 paws

How to Keep a Kitten Warm

There are several methods you can use to keep a kitten warm until they’re able to regulate their body temperature. There are also several ways to warm up a cold kitten if you find one abandoned. Keeping a kitten warm isn’t difficult but requires a few basic items.

Some of the devices you might already have, but they’re easy to find online or at a big-box department store.


1. A Heating Pad and Cardboard Box

A small electric heating pad and cardboard box are perfect for heating a kitten or two. You can place a used towel on the floor and the heating pad on top of it. Next, place the box on top of half of the heating pad, with half of the box only on the towel. That way, if the kitten gets too hot, it can move onto the cooler half of the box.

Set the heating pad’s temperature to about 98 degrees Fahrenheit, place your kitten or kittens inside, and they will stay toasty warm all day.

kittens resting in cardboard
Image Credit: SURKED, Shutterstock

2. A Sock Filled with Uncooked, Dry Rice

A thick, long, used sock filled with dry, uncooked rice is a fantastic DIY heating pad for kittens. First, fill the sock with rice and securely close the open end. Next, heat the rice-filled sock in the microwave for approximately 1 minute, but you don’t want it to be blazing hot.

Place the heated sock inside the box where you’re keeping your kittens wrapped in a towel, and it will keep them warm for 2 to 3 hours. Then, repeat the process to keep your kitten warm all day.


3. A Hot Water Bottle

You can fill a hot water bottle with hot (but not scalding) water and place it wrapped in a blanket in the box or cat crate you’re using, and you’re all set. Be sure that the kitten has room to move away from the bottle if they get too warm.

pouring warm water on water bottle
Image Credit: lexanikolaevih, Shutterstock

4. A Plastic Bottle

If you don’t have a hot water bottle, a regular plastic water bottle (or any plastic bottle, for that matter) can be filled with warm-to-hot water and used as a kitten-warming device. Again, wrap this in a towel or blanket and make sure it is not too hot.


5. A Heat Lamp

Heat lamps will work, but one caveat is that you should not leave a heat lamp on if you’re not going to be close by and monitoring. If the lamp falls over or is knocked over, it could cause a fire or burn risk. Lamps require the kitten box to be open for their use, which many kittens are not so keen on and they may overheat the kittens.

kitten under heat lamp
Image credit: Apisit, Hrpp, Shutterstock

divider 3 paws

Should the Kitten’s Box or Crate Be Covered?

For the smallest kittens, you should cover the box or crate you’re using to eliminate the possibility of a draft. Also, place their box or crate away from drafty areas, like hallways or near doors. Kittens can get cold easily, so keeping them away from drafty areas is necessary.

What Is the Best Temperature to Keep a Kitten Warm?

The temperature of the room where you’re keeping your kittens should be adequate to keep them warm and cozy at all times. You should note, however, that as your kitten grows and gains body temperature control, the temperature in the room and kitten box will need to be lowered. After 5 weeks the kittens can usually regulate their own body temperatures and will be more tolerant to the ambient room temperature.

Below is an easy chart you can use to ensure the temperature of the kitten box is always optimal for your baby feline friends. Remember the box should always be large enough for the kittens to move away from the heat if they become too hot.

Age of Kitten Optimal Temperature of Kitten Box
1 to 7 days 85 to 90℉
8 to 30 days 80 to 85℉
1 month 75℉
1.5 months and older 70℉

Which Should You Do First, Feed or Warm a Kitten?

If you happen upon a cold kitten or a litter of them, your first instinct might be to feed them. This, however, isn’t a good idea because kittens need to be warm to digest their food correctly. In other words, warm the kitten first; when they’re wriggling around and comfortable, you can feed them.

divider 3 paws

How to Warm Up a Cold Kitten

If you find an abandoned kitten (or several of them), the best way to warm them up safely is to make sure they are dry and then hold them directly against your bare skin. For example, sit in a comfortable chair and place the kitten on your lower belly with your hands cupping it.

If the kitten is scratching you with its sharp little claws, you can put a light T-shirt around it. Once the kitten is warmed up and starts wriggling around and moving more, you can wrap it in something heavier, like a towel or heavy T-shirt (but not too tightly).

divider 3 paws

Final Thoughts

Keeping them warm is essential because kittens can’t control their own body temperature so they rely on the external environment to keep them warm. This is especially true if the mother cat isn’t in the picture or when you only have one kitten and not a litter of them. Without their mom or siblings around, a kitten can die from the cold in a surprisingly short time.

The good news is that it’s relatively easy to warm up a kitten and keep them warm. We hope the information and advice provided today empower you to help a kitten or a litter stay warm and grow into healthy and happy adult cats.


Featured Image Credit: Rembolle, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Your Cat Ghosted Your Bed: Here’s What Changed

Cats are particular about where they sleep. Not just a little particular, but obsessively, methodically particular. They’ll test seventeen surfaces, circle a spot...

Figure Skater’s Secret: Land Like a Cat – About That Viral Photo Though…

Even if you’re not into sports, you’d have to be keeping well clear of the headlines to have not heard about the 2026...

Ask Dr. Paola – Help! My Cat Chews on Wires! (February 23, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

Why Cats Pee on Furniture (And How to Make Them Stop)

Cats peeing on furniture isn’t a behavior problem. It’s a communication problem. Your cat can’t tell you their litter box hurts to use,...

More related

Why Are Tabby Cats So Vocal? 10 Vet Reviewed Reasons

Figuring out why your cat is meowing is a process of elimination. They meow to communicate with you, and your job is to...

10 Best Cat Scratching Posts in Australia in 2026 – Reviews & Top Picks

Cat scratching posts are a great way for cats to burn off some energy and frustration while offering them an abrasive surface that...

130 Amazing Names for Abyssinian Cats in 2026

Naming your cat is one of the biggest decisions you can make for them, and it’s one you’ll have to live with for...

Inbred Cats: Vet-Verified Signs, Ethics, Problems & FAQ

Inbreeding has been, historically, common practice in domesticated animals. Breeders have made a point of breeding closely related animals in order to acquire...

Keep reading

7 Best Cat Foods for Pancreatitis in 2026 – Reviews & Top Picks

Feline pancreatitis is one of the most troublesome cat diseases. This condition is not only difficult to diagnose but also tends to be resistant to treatment. Cats are good at hiding illness, meaning you might not know that your kitty...

Cat hungrily eats dry food

Is Your Cat Sleeping Too Much or Not Enough? Vet-Reviewed Signs & When to Worry

A quick glance in my bedroom on a sunny day will likely reveal my three male cats sprawled on the bed. If I step into the room, Jack, Phillip and Leroy may each crack open an eye, swivel an ear...

A brown cat sleeping upside down.

Can Cats Eat Soy? Vet-Approved Nutritional Facts & FAQ

Whether you’re a fan or not, soy products like milk, yogurt, and tofu are nutritious alternatives to dairy and other animal proteins. On the other hand, even if you or your family aren’t crazy about soy, your cat may have...

Can Cats Eat Soy

What Houseplants Are Poisonous to Cats? 15 Vet-Verified Toxic Types

Wondering what plant to get that won’t upset your cat? We’ve got you covered. This post lists 15 common houseplants that should be avoided by cat owners—usually. In some cases, cat owners can have a plant that is not necessarily...

a black cat with succulent plants

How to Feed Cats Properly: Vet-Verified Methods & Tips

Feeding your cat is simply a part of your daily routine, but did you know that some of us maybe aren’t doing it in the best way possible? If you’re confused about the different ways to feed a cat, you’re...

cat eating from feeding bowl

Do Antibiotics Make Cats Sleepy? Vet-Reviewed Side Effects of Antibiotics

Antibiotics are one of the most effective ways to fight infections and have been used for more than 50 years by veterinarians. While they can help your cat recover from many different ailments, they’re not without their downsides including potential...

Veterinarian giving injection to cat

Why Is My Cat So Clingy? 5 Vet Reviewed Reasons for This Behavior

Cats are often praised for being incredibly low-maintenance pets. Besides finding food, cats practically do everything on their own, including bathing, going to the bathroom, and relaxing. Despite the normalcy of cats being independent, there are times when they can...

a tabby cat lying on a woman's chest

Why Does My Cat Lie on Me? 5 Vet-Reviewed Reasons

We all love to spoil our cats, so they tend to get new toys and tasty treats more often than we do! Seeing them napping in odd spots around the house inspires many cat owners to purchase a special cat...

cat sleeping in owner's arms

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.