How to Keep Your Dog Cool in Summer: Signs of Overheating and What to Do

Summer can be a fun season for outdoor adventures, but rising temperatures can quickly become dangerous for dogs. Unlike humans, dogs have limited ways to cool themselves down, making them more vulnerable to heat-related illnesses. Understanding how to keep your dog cool in summer is essential for protecting their health and preventing emergencies.

In this guide, you’ll learn the warning signs of overheating, practical ways to keep your dog comfortable during hot weather, and what to do if your pet shows symptoms of heat stress or heatstroke.

Why Are Dogs More Vulnerable to Heat?

Dogs regulate body temperature differently than people. While humans sweat through their skin, dogs primarily cool themselves through panting and a small amount of sweating through their paw pads.

Several factors can increase a dog’s risk of overheating:

• Thick or double-layered coats
• Flat-faced breeds such as Bulldogs and Pugs
• Senior dogs
• Puppies
• Overweight pets
• Dogs with heart or respiratory conditions
• High humidity levels

When temperatures rise, a dog’s cooling system can quickly become overwhelmed, leading to heat exhaustion or heatstroke.

Signs of Overheating in Dogs

Recognizing early signs of overheating can help prevent a life-threatening emergency.

Mild Signs of Heat Stress

Watch for:

• Excessive panting
• Increased drooling
• Bright red gums
• Restlessness
• Increased thirst
• Warm skin or ears

At this stage, your dog may simply need cooling and hydration.

Moderate Signs of Overheating

As body temperature continues to rise, symptoms may worsen:

• Weakness
• Lethargy
• Vomiting
• Diarrhea
• Rapid heart rate
• Difficulty walking

Immediate action is necessary to prevent progression to heatstroke.

Severe Signs of Heatstroke

Heatstroke is a medical emergency and can cause organ failure.

Symptoms include:

• Collapse
• Confusion or disorientation
• Seizures
• Loss of consciousness
• Pale or bluish gums
• Extreme weakness

If your dog displays any of these signs, seek veterinary care immediately.

How to Keep Your Dog Cool in Summer?

Knowing how to keep your dog cool in summer can significantly reduce the risk of heat-related illness.

Provide Constant Access to Fresh Water

Hydration is one of the most important defenses against overheating.

Tips include:

• Refill water bowls frequently
• Bring portable water on walks
• Add ice cubes to water bowls
• Use pet fountains to encourage drinking

Some dogs enjoy frozen treats made from low-sodium broth or dog-safe fruits.

Walk During Cooler Hours

Avoid outdoor activities during the hottest part of the day.

The safest times for walks are:

• Early morning
• Late evening

Temperatures between 10 a.m. and 4 p.m. are often the most dangerous.

Test the Pavement First

Hot pavement can burn your dog’s paw pads.

Try the “seven-second test”:

• Place the back of your hand on the pavement.
• If it’s too hot to hold for seven seconds, it’s too hot for your dog.

Choose grassy areas whenever possible.

Create Plenty of Shade

If your dog spends time outdoors:

• Provide shaded areas
• Use umbrellas or shade sails
• Ensure airflow around outdoor spaces

Never assume a tree alone provides adequate protection during extreme heat.

Use Cooling Products

Several pet-safe products can help regulate body temperature.

Popular options include:

• Cooling mats
• Cooling vests
• Elevated pet beds
• Cooling bandanas

These products can be especially helpful during outdoor activities.

Never Leave Your Dog in a Parked Car

One of the most common causes of heatstroke is being left inside a vehicle.

Even on a mild day:

• A car’s interior can reach dangerous temperatures within minutes.
• Cracking windows provides little relief.
• Dogs can suffer fatal heatstroke very quickly.

For example, when it’s 85°F outside, the inside of a car can exceed 100°F in less than 10 minutes.

If your dog cannot accompany you into a building, it’s safest to leave them at home.

Dogs at Higher Risk for Heatstroke

While every dog can overheat, certain breeds and conditions increase risk.

Flat-Faced Breeds

Breeds with shortened airways have difficulty cooling themselves.

Examples include:

• Pugs
• Bulldogs
• Boston Terriers
• Shih Tzus

Thick-Coated Dogs

Dense fur can trap heat.

Examples include:

• Huskies
• Malamutes
• Chow Chows
• Newfoundlands

Senior Dogs and Puppies

Young and elderly pets have more difficulty regulating body temperature and may become dehydrated faster.

Overweight Dogs

Excess body fat reduces heat tolerance and increases strain on the cardiovascular system.

What to Do If Your Dog Is Overheating?

Quick action can save your dog’s life.

Step 1: Move to a Cooler Area

Immediately relocate your dog to:

• Air conditioning
• Shade
• A cool indoor environment

Reduce further exposure to heat.

Step 2: Offer Cool Water

Provide small amounts of cool water.

Avoid:

• Ice-cold water
• Forcing your dog to drink

Allow them to drink gradually.

Step 3: Begin Cooling

Use cool (not ice-cold) water on:

• Belly
• Paws
• Armpits
• Groin area

You can also place damp towels over the body and use a fan to improve evaporation.

Step 4: Monitor Closely

Watch for:

• Changes in breathing
• Gum color
• Energy level

Even if symptoms improve, veterinary evaluation is still recommended.

Step 5: Contact a Veterinarian Immediately

Heatstroke can cause internal damage that may not be visible right away.

Complications can include:

• Kidney failure
• Liver damage
• Blood clotting disorders
• Neurological problems

Prompt treatment greatly improves outcomes.

Summer Safety Tips for Dog Owners

A few simple habits can make a big difference during hot weather.

Keep Summer Activities Safe

• Limit intense exercise on hot days
• Take frequent breaks
• Carry water everywhere
• Avoid midday hikes

Consider Indoor Enrichment

When temperatures are extreme, try:

• Puzzle toys
• Training sessions
• Indoor fetch
• Treat-dispensing games

Mental stimulation can be just as valuable as physical exercise.

Groom Appropriately

Regular grooming helps remove excess undercoat and improves airflow through the coat.

However, avoid shaving double-coated breeds unless specifically recommended by your veterinarian, as their coat provides natural insulation against heat.

Common Myths About Keeping Dogs Cool

Myth: Dogs Should Be Shaved Completely in Summer

Many double-coated breeds actually rely on their coat to help regulate temperature. Improper shaving may increase the risk of sunburn and overheating.

Myth: A Fan Alone Is Enough

Fans help, but dogs do not sweat like humans. Fresh water, shade, and temperature control remain essential.

Myth: If a Dog Is Panting, They’re Fine

Excessive panting can be one of the first warning signs of dangerous overheating.

Conclusion

Learning how to keep your dog cool in summer is one of the most important ways to protect your pet during hot weather. Providing plenty of water, avoiding peak heat hours, creating shaded areas, and recognizing early signs of overheating can prevent serious health emergencies. If your dog shows symptoms of heat stress or heatstroke, immediate cooling and veterinary attention are critical. For expert guidance on summer pet safety and emergency care, contact Spencer Animal Hospital in Pasadena, TX, and schedule an appointment to ensure your dog stays healthy, comfortable, and safe all season long.

FAQs

Q1: What temperature is too hot for dogs outside?

Ans: Most dogs begin to face increased heat risks when temperatures rise above 85°F, especially when humidity is high. Exercise should be limited during extreme heat.

Q2: How can I tell if my dog is overheating?

Ans: Common signs include excessive panting, drooling, red gums, weakness, vomiting, and lethargy. Severe cases can lead to collapse or seizures.

Q3: Can dogs get heatstroke indoors?

Ans: Yes. Poor ventilation, lack of air conditioning, dehydration, or confinement in hot rooms can cause overheating indoors.

Q4: Are cooling mats safe for dogs?

Ans: Yes. Most pet-specific cooling mats are designed to safely help lower body temperature and can be useful during hot weather.

Q5: Should I give my dog ice water when they’re overheating?

Ans: Cool water is best. Extremely cold or ice water may cause discomfort and should be offered cautiously while you begin gradual cooling measures.