Understanding Canine Temperature Regulation (UK Guide)
Dogs do not cool themselves in the same way humans do, which is why they are much more vulnerable during hot weather and heatwaves.
Understanding how dogs regulate their body temperature is essential for keeping them safe.
How dogs actually cool down
Dogs mainly rely on:
1. Panting
Panting is the primary cooling mechanism. As air moves quickly over the tongue and upper respiratory tract, moisture evaporates and helps reduce body temperature.
However, panting is not always enough in extreme heat.
2. Limited sweating
Dogs only sweat through their paw pads. This plays a very small role in cooling compared to humans.
3. Vasodilation
Blood vessels near the skin surface widen to release heat into the environment. This is more effective in cooler surroundings.
Why dogs overheat so quickly
Dogs are more at risk because:
- They cannot sweat effectively
- Their fur traps heat
- Some breeds struggle to regulate temperature
- Exercise increases internal heat production quickly
Flat-faced breeds such as pugs and bulldogs are especially vulnerable.
How we can help dogs stay cool
✔ Provide constant access to fresh water
✔ Ensure shade is always available
✔ Walk dogs early morning or late evening
✔ Avoid hot pavements
✔ Use fans and airflow indoors
✔ Offer cooling mats or damp towels safely
✔ Never leave dogs in cars or conservatories
Small changes can prevent serious illness.
Why this matters for grooming professionals
Groomers are often the first to notice when a dog is struggling with heat or stress. Understanding canine physiology is a key part of professional grooming knowledge.