At what body temperature is a dog in heatstroke territory?

105 F or higher.

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  1. 105 F or higher ✔
  2. 99 F
  3. 102 F

Why: Heatstroke happens when a dog can no longer control its body temperature and it rises to 105 F or higher. Start cooling right away with cool water and get to a vet.

Huh, didn't know that: Cornell lists intense panting, drooling, vomiting, weakness and confusion among heatstroke signs.

The dad joke
When a dog has a fever, what should you feed him? Mustard, it's the best thing for hot dogs.
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References

Answer: 105 F or higher. Heatstroke happens when a dog can no longer control its body temperature and it rises to 105 F or higher. Start cooling right away with cool water and get to a vet.

  1. Cornell Riney Canine Health Center, Heatstroke: A medical emergency www.vet.cornell.edu/departments-centers-and-institutes/riney-canine-health-center/canine-health-information/heatstroke-medical-emergency
    rises to 105 degrees Fahrenheit or higher
    Checked 2026-10-10.

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