- Keep an eye on the water bowl. You might need to refill it more often than usual.
- Offer cool treats - like a chew toy with frozen peanut butter.
- Some dogs like to sit in front of a fan.
- Never leave your pet in the car.
- Stay inside during the heat of the day. If you can't touch the asphalt with your hand or bare foot, it's too hot for the dog. Some breeds might also need doggie sunscreen.
Watch out for heatstroke. Symptoms include panting, lethargy, drooling, fever, vomiting, and collapse. If you think your dog might have heatstroke, go to the vet! Breeds with shorter noses, puppies, and senior dogs are more susceptible than others.
The below infograph comes from petfinder.com. They have many more tips on how to make summer enjoyable for both people and pets.