🌡️ Current conditions & dog details

Air temperature (°F) Humidity: 55%

DryHumid

Sun / shade exposure

Flat-faced (brachycephalic)

Bulldog, Pug, Boston Terrier, Shih Tzu, etc.

Thick or double coat

Husky, Malamute, Chow Chow, Golden Retriever, etc.

Senior, puppy, or overweight

Reduced heat tolerance

Heart, lung, or other health condition

Reduces ability to cool down

Heatstroke risk level

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Heat index °F

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Risk score

LowModerateHighExtreme

🐾 5-second pavement test: press the back of your hand on the pavement. If you can't hold it there comfortably for 5 seconds, it's too hot for your dog's paws.

This tool gives a general risk estimate based on common veterinary heat-safety guidance. Individual dogs vary — always watch your dog's behavior and stop activity at the first sign of distress. Not a substitute for veterinary advice.

🚨 Heatstroke symptoms to watch for

●Heavy panting or gasping that doesn't slow down

●Bright red or pale/blue gums and tongue

●Thick drool, vomiting, or diarrhea

●Wobbling, weakness, or collapse

●Confusion, glazed eyes, or seizures

🧊 If you suspect heatstroke

1. Move to shade or AC immediately

Get your dog out of direct heat right away.

2. Cool gradually with cool (not ice-cold) water

Wet the paws, ears, and belly, or use a fan — avoid ice water, which can worsen shock.

3. Offer small amounts of water

Let your dog drink a little at a time; don't force it.

4. Call your vet or emergency clinic immediately

Heatstroke can cause organ damage even after your dog seems to recover — always get checked.

🏆 Why this calculator is different

🌡️Uses heat index, not just temperature — combines temp and humidity, since high humidity stops dogs from cooling through panting even on "moderate" days.
🐕Personalized by breed traits — flat face, thick coat, age/weight, and health condition each add real risk points, unlike static temperature charts.
☀️Sun exposure factored in — direct sun with no shade raises risk even at the same temperature reading.
🐾Built-in 5-second pavement test — a simple, memorable check most calculators leave out entirely.
🚨Symptom checklist + emergency steps included on the same page — useful for articles and shareable safety content, not just a single number.
🔒No sign-up, no data stored — everything runs in your browser only.

❓ Frequently asked questions

What temperature is too hot to walk a dog?

Many vets suggest caution above roughly 85°F (29°C), especially with high humidity, direct sun, or a heat-sensitive breed — but the safe threshold varies a lot by dog, which is why this calculator adjusts for individual risk factors.

Why does humidity matter for dog heatstroke?

Dogs cool down mainly by panting, which relies on evaporation. High humidity slows that evaporation, so dogs can overheat even when the air temperature alone doesn't seem extreme.

Which dogs are most at risk of heatstroke?

Flat-faced (brachycephalic) breeds, thick or double-coated breeds, puppies, seniors, overweight dogs, and dogs with heart or lung conditions are generally at higher risk in hot weather.

🥵 Dog Heatstroke Risk Calculator