In addition to releasing heat with those dangly tongues, doggies also sweat through the pads of their feet. Now imagine what that would be like if they were trying to get rid of their own excess heat . . . onto already scalding sidewalks. Hot pavement can burn puppy paw pads – and since animals are much closer to the ground, they heat up quicker than we do and can be in special danger.
When walking your pup in scorching climates, try to stick to shady sides and save longer strolls for when the sun is low, like morning and evening. If you're not sure how sizzling the street or sand is, test it out on your bare foot or hand – if it feels too hot for you, it's probably also too hot for your pet!