Find a Stay is live. Search pet friendly accommodation across Australia. Try it now →
Pet Health

Heatstroke in dogs: the Australian guide

What heatstroke is, how fast it happens, what to do in an emergency, and how to prevent it on Australian road trips and beach days.

A
Alisha Neilen
|8 min read|
Pawtrips verified
← Back to the feed
Written by Alisha, founder of Pawtrips, Brisbane|Updated June 2026
⚠️

HEATSTROKE EMERGENCY: Collapse, unresponsiveness, or seizures in a hot environment is a critical emergency. Apply cool water immediately and get to the nearest emergency vet. Do not wait to see if your dog recovers on their own.

At a glance
15 minutes
How fast it can be fatal
Above 41C
Critical emergency temperature
Cool water
Not ice cold, never a wet towel
Never parked car
Even with windows cracked
Early morning walks
Before 8am in summer
7 second test
For hot pavement

Why heatstroke kills dogs faster than most owners realise

Dogs cool themselves primarily by panting. They have sweat glands only in their paw pads. When the environmental temperature rises high enough that panting is no longer effective, body temperature escalates rapidly.

A dog's normal body temperature is between 38 and 39 degrees Celsius. Once it reaches 41 degrees, organ failure can begin. Brain damage, kidney failure, and cardiovascular collapse can follow within minutes. Research from UNSW Sydney found a 10% increase in the risk of death for dogs during extreme hot days above 32 degrees.

Heatstroke can become fatal in as little as 15 minutes. This is not an exaggeration. The speed at which it progresses is the reason every Australian dog owner needs to understand it before summer, not during it.

Best seller

Dog Cooling Mat

Best for: All dogs, summer travel

A pressure-activated cooling mat that needs no water or electricity. Place it in the car, at accommodation, or in the shade at any stop. Cools your dog by drawing body heat away from them. One of the most effective and portable heat management tools available.

From AU$35 on Amazon AUView on Amazon →

Pawtrips may earn a small commission if you purchase through this link, at no extra cost to you.

The warning signs

Early signs of heatstroke include excessive panting that does not slow down, excessive drooling, rapid heart rate, bright red gums, lethargy, and vomiting or diarrhoea.

As it progresses dogs become unsteady on their feet, disoriented, and may collapse. Gums may turn pale or blue. Seizures can occur. A dog that is unresponsive or has collapsed from heat is in a critical emergency.

Heat exhaustion precedes heatstroke. If you notice heavy panting and your dog seems reluctant to keep moving, do not push on. Move to shade immediately, offer water, and cool them down. Acting at the heat exhaustion stage prevents escalation to the heatstroke stage.

Essential on the road

Portable Dog Water Bottle

Best for: All dogs, every trip

A water bottle with a built-in drinking trough so your dog can drink anywhere without needing a separate bowl. Hydration is the single most important factor in preventing heatstroke on the road. Stop every two hours and offer water every time.

From AU$20 on Amazon AUView on Amazon →

Pawtrips may earn a small commission if you purchase through this link, at no extra cost to you.

Emergency first aid

If you suspect your dog has heatstroke move them to shade or air conditioning immediately. Apply cool water, not ice cold water, to the body. Focus on the neck, armpits, and groin where blood vessels are close to the surface.

Do not place a wet towel over your dog. This critical point is often misunderstood. A towel traps heat and humidity against the body and can actually raise body temperature. Use running cool water or wet your hands to apply water directly.

Offer water but do not force your dog to drink. Get to a vet as fast as possible while continuing to cool them in transit. Call ahead so the vet can prepare. Even if your dog appears to recover during cooling, internal organ damage may have occurred and veterinary assessment is essential.

Reduce car temperature

Car Window Sun Shade

Best for: All dogs travelling by car in summer

Blocks direct sunlight through rear windows, significantly reducing the temperature inside the car for your dog. Essential for any summer driving where your dog sits near a window. Fits most vehicle windows and folds flat for storage.

From AU$18 on Amazon AUView on Amazon →

Pawtrips may earn a small commission if you purchase through this link, at no extra cost to you.

The parked car

A car interior reaches dangerous temperatures within 15 minutes on a warm day and within 5 minutes on a hot Australian summer day. This is not a guideline that has exceptions. There is no safe way to leave a dog in a parked car in Australia during warm weather.

Not with the windows cracked. Not for five minutes while you grab a coffee. Not in the shade. Not with the air conditioning running if the engine is off.

If you cannot take your dog with you, one person stays with the dog. If that is not possible, the dog does not come on that part of the trip. This is non-negotiable.

Prevention on Australian road trips and beach days

Plan exercise in the early morning before 8am and after 5pm in summer. The middle of the day in Australian summer is genuinely dangerous for dogs, particularly in Queensland and the Northern Territory.

The seven second pavement test: press the back of your hand to the pavement for seven seconds. If you cannot hold it there, it is too hot for your dog's paws. Dark asphalt, bitumen, and sand can reach temperatures that cause serious paw burns within minutes.

Always carry more water than you think you need. Offer it frequently. Dehydration accelerates overheating. A collapsible bowl takes up almost no space and means your dog can drink at every stop.

Coling mats and portable shade shelters are worth having on Australian road trips. At rest stops with no natural shade a portable shelter can mean the difference between a safe stop and a dangerous one.

High risk breeds

Brachycephalic breeds with flat faces, including French Bulldogs, Pugs, English Bulldogs, and Cavalier King Charles Spaniels, are at significantly higher risk of heatstroke than other breeds. Their shortened airways make panting less effective as a cooling mechanism.

Large and giant breed dogs, older dogs, overweight dogs, and dogs with heart or respiratory conditions are also at higher risk. If your dog falls into any of these categories, apply heat precautions more aggressively and consult your vet before any summer travel in hot Australian regions.

Quick reference
Do
Walk your dog before 8am and after 5pm during Australian summer
Do the seven second pavement test before walking on any hard surface in summer
Carry significantly more water than you think you need on any summer trip
Apply cool running water to the neck, armpits, and groin in a heatstroke emergency
Get to a vet even if your dog appears to recover from overheating
Use a portable shade shelter at rest stops with no natural shade
Don't
Leave your dog in a parked car in warm weather under any circumstances
Place a wet towel over an overheating dog, it traps heat and makes things worse
Use ice cold water to cool a heatstroke dog, cool water is the right temperature
Walk your dog on dark pavement or sand in the middle of a summer day
Ignore early panting and lethargy, act at the heat exhaustion stage before it escalates
Assume flat-faced breeds can handle heat the same way other dogs can
A
A note from Alisha

Heatstroke is one of the most preventable causes of dog death in Australia. The precautions are simple. The consequences of not taking them are not. Write to us at hello@pawtrips.com.au if you have a heat safety tip worth sharing.

hello@pawtrips.com.au
Keep reading
Get our free pet travel checklist

Plus early access to new guides and partner deals.

No spam. Ever. Just the good stuff for you and your pet.