How can I tell if my dog has a fever?

A dogs “normal” body temperature range is 100.5 – 102.5 Fahrenheit (38 – 39.2 Celsius) which is about 2 degrees hot than a humans normal temperature of 98.6 Fahrenheit. A temperature below 100 or above 103F means it’s time to  call your veterinarian. A dogs temperature is most often measured rectally but ear thermometers can be used too, however it can be difficult to get an accurate reading with ear thermometers. There are myths that you can Gaug the body temperature by the moistness of the nose or how warm the ears feel but that is not reliable.