How hot is too hot for my dog's paws on the pavement?

The temperature math

At an air temperature of 77°F (25°C), asphalt in direct sun reaches roughly 125°F. At 87°F (31°C) air, asphalt hits about 143°F. Egg-frying temperature. Pad burns start at surface temperatures around 125°F with 60 seconds of contact. Concrete is 10-20°F cooler than asphalt in the same conditions but still can burn.

How to walk safely in heat

• Walk before 8am or after sunset in summer.
• Stick to grass, dirt trails, and shaded pavement.
• Test with the 7-second hand rule at each new surface.
• Booties (well-fitted, breathable) work for many dogs after a conditioning period; skip if the dog will not tolerate them.
• Carry water and offer it every 10-15 minutes; a portable bowl or squeeze bottle works.
• Watch for red or blistered pads, limping, or refusal to walk, all reasons to go home.

Beyond pads: heatstroke risk

Pad burns are the immediate visible problem, but the bigger risk on hot walks is heatstroke, especially in brachycephalic dogs (Bulldogs, Frenchies, Pugs, Boxers), thick-coated breeds (Huskies, Chow Chows), overweight dogs, and any dog over 8 years old. Warning signs are heavy panting that does not slow, thick foamy saliva, wobbliness, bright red or purple gums, and collapse. Treat by cooling with cool (not ice-cold) water, moving to shade, and driving to the nearest emergency vet, heatstroke has a 50% mortality rate once organs begin failing.