1. The normal body temperature range for adult dogs is between 37.5°C and 38.7°C.2. For puppies, the normal body temperature range is between 38.2°C and 39.2°C.3. A dog's body temperature fluctuates throughout the day, with lower temperatures in the morning and higher temperatures in the evening. The diurnal range of body temperature is typically between 0.2°C and 0.5°C.4. Rectal temperature measurement is the standard method for checking a dog's body temperature, but conditions such as rectal inflammation, frequent diarrhea, or anal relaxation may affect the accuracy of the measurement.5. External heat, eating, exercise, excitement, or stress can cause a temporary increase in a dog's body temperature.6. If a dog's body temperature is lower than the normal range, it is advisable to provide warmth, such as by dressing the dog.7. If a dog's body temperature is higher than the normal range, cooling measures should be taken, such as applying ice packs for reduction.8. If a dog's body temperature is significantly lower than normal, it is important to seek veterinary care as soon as possible.9. If a dog exhibits symptoms such as discharge from the eyes or nose, coughing, along with a fever, it may be suffering from a viral infection. In such cases, it is necessary to take the dog to a pet hospital for examination and treatment.10. For more information about your pet's health, feel free to click on the below profile for a free consultation with a professional veterinarian.