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How to keep your dog safe in hot weather

Last Updated: 20th June 2025

A photo of a working dog

Unlike humans, dogs don’t sweat through their skin. Instead, they rely on panting (and a little sweating through their paws) to regulate their body temperature. But when the air is hot and humid, panting becomes far less effective.

What many people don’t realise is that heat-related illness isn't just a summer problem. Dogs can overheat at any time of year — even during winter — especially during vigorous exercise or if they're in a warm indoor environment.

Spotting the Signs of Heatstroke in Dogs

Recognising early signs of heatstroke could save your dog’s life. The most common symptoms are:

  • Heavy or continuous panting
  • Breathing difficulties – Any change in their breathing pattern is a red flag.
  • Lethargy – seeming unusually tired or unwilling to move

Other symptoms may include:

  • Bright red or pink gums and lips
  • Seeking shade
  • Lack of coordination
  • Excessive drooling
  • Vomiting or diarrhoea
  • Collapse
  • Seizures

What To Do If Your Dog Gets Too Hot

Overheating can escalate quickly. If your dog collapses, struggles to breathe, or shows severe symptoms, contact your nearest vet immediately. Time is critical.

Cool First, Transport Second

Before heading to the vet, begin cooling your dog down. Here’s how:

  1. Stop all activity
  2. Move them to a cool, shaded spot
  3. Offer fresh drinking water
  4. Begin cooling immediately:
    • For young, healthy dogs: Immerse them in cold water (like a paddling pool) if possible — keeping their head above water. If not, pour cold water over them continuously.
    • For older or health-compromised dogs: Use room-temperature water to wet their body (avoiding the face) and create airflow with a fan or breeze. You can also place ice packs (wrapped in a towel) under their armpits or groin.
  5. Watch for shivering – If they start to shiver, stop active cooling and call your vet.
  6. Avoid covering your dog with wet towels – These can trap heat instead of releasing it.
  7. Call your vet as soon as possible – Then transport your dog with air conditioning on or windows open.

“Won’t My Dog Know When to Stop?”

Unfortunately, some dogs don’t self-regulate well. They may continue to run and play, even when they’re dangerously overheated. That’s why it’s up to you to recognise the warning signs and act accordingly to ensure your dogs health and wellbeing.

Top Tips for Keeping Your Dog Safe in Hot Weather

  • Always provide shade and water – Your dog should have access to fresh water and a cool spot to rest.
  • Know the signs of heatstroke and first aid – Being prepared can make all the difference in an emergency.
  • Protect against sunburn – Avoid direct sun and use pet-safe sun cream on vulnerable areas like ears and noses. Your vet can advise.
  • Plan your outings wisely – Walk your dog early in the morning or later in the evening when it’s cooler. If you’re heading out, check in advance that dogs are welcome and that the environment will be safe.

Heatstroke in dogs is a medical emergency that can happen at any time of year. By learning the signs, acting quickly, and planning ahead, you can help your dog stay safe, cool, and happy — no matter the weather.

If you’re ever in doubt, don’t wait — contact your vet. When it comes to heat, it’s better to be safe than sorry.