Hot weather weekend warning: Dogs in warm cars


With hot weather forecast across the country this weekend, motorists are being urged to not leave their beloved pet dogs on their own in cars for any amount of time.

The experts at and its sister site have been exploring the changing internal temperatures of a car with different temperatures outside.

Dog riding the car

And the stark message is dogs can die and suffer if left in a vehicle even in what might be considered mildly warm weather.

This is because the temperature inside increases the longer a dog is left on its own and that is a huge risk to a pet’s health and wellbeing.

To illustrate, 21˚C outside can see a car’s internal temperature shoot up to over 45 ˚C in just an hour – more than double what it was at the start.

For humans, high environmental temperatures can be dangerous to your body. In the range of 32˚ and 40˚C, you can experience heat cramps and exhaustion. Between 40˚ and 54˚C, heat exhaustion is more likely. Dogs, with layers of warm fur to account for, who learn to pant to try to keep cool, therefore face grave danger in any sort of raised temperature.

Dog watching on the street

Tim Alcock from said: “Animal welfare messages have been extremely effective in recent years educating people not to leave their dogs in cars on a hot day due to the risks of overheating.

“But the simple truth is even on what might seem a mild or warm day where temperatures are around the 20˚C mark, the internal temperature of a car can quickly multiply to dangerous and fatal levels.

Dog smell fresh air

“We are therefore urging motorists to NEVER leave a dog unattended, whether wind, rain or shine. Don’t make that ‘quick dash to the shops’ result in a fatal error which will stay with you forever by leaving your pet on its own in a car and potentially at risk.

“Instead, practice good habits by always ensuring that when you leave the car to run an errand, if your dog has been traveling with you, it also goes with you.”

The experts at have discovered the following temperature changes can occur inside a car:


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