Normal dog temperature Celsius: fever vs hyperthermia

We often touch our dog’s nose to check their temperature, but a wet or dry nose tells you almost nothing about their internal state. A dog’s thermoregulation system is very different from ours. They run hotter than humans, and their ability to cool down is limited to panting and sweating through their paw pads. Knowing what constitutes a "normal" temperature in degrees Celsius is critical for spotting two distinct dangers: the fever of infection and the medical emergency of heat stroke.

The numbers you need to know

A normal resting body temperature for a dog falls between 38.3°C and 39.2°C. Anything above 39.5°C is considered significant. If a dog’s temperature climbs past 40.5°C, it is a life-threatening emergency where proteins in the body begin to break down.

The only accurate way to measure this is with a digital rectal thermometer. Ear thermometers exist but are often less accurate. It is a good skill to learn before you need it, as knowing your dog’s specific baseline can help you catch illness early.

Fever vs Heat Stroke

It is important to distinguish why the temperature is high. A fever is the body's biological response to fight off a virus or bacteria; the body resets its internal thermostat to "hot" to kill the invader.

Hyperthermia (heat stroke) is different; it is when the dog simply cannot offload heat fast enough due to environment or exercise. Heat stroke requires immediate active cooling (tepid water, fans), whereas a fever is a symptom that needs veterinary diagnosis. Treating them requires different approaches, which is why accurate measurement matters.

Baselines save lives

Every dog is an individual. Some naturally run slightly warmer or cooler within the normal range. Elita Blueprint keeps a record of these vital signs during routine health checks. By having a history of your dog’s "normal" stored in the secure data vault, you have an immediate reference point when something feels wrong.

If your dog usually sits at 38.4°C and is suddenly 39.3°C, that is a significant jump that might be missed if you only compared it to the generic average. We keep the personalised baseline so you can spot the deviation.

Know their normal

A temperature check is a powerful diagnostic tool, but only if you have context. Elita Blueprint stores your dog's vital sign history, helping you distinguish between a normal variation and a biological warning sign.

See your dog’s health clearly with Blueprint
Mobile screen displaying a pet health app for dogs, showing body condition, dental health, a notification about vet records, and options to add a reminder, log a note, or transcribe a vet visit.