What is the Normal Body Temperature for Children? If the rectal temperature is 100.4 degrees or higher, they are considered to have a fever. The American Academy of Pediatrics (AAP) states a normal body temperature for a healthy baby is between 97 and 100.3 degrees Fahrenheit (37.94 ☌). What is the Normal Body Temperature for a Baby?
Rectally - Temperatures taken rectally tend to be 0.5 to 0.7 degrees F HIGHER than when taken by mouth.Orally - By mouth - glass thermometer, or a digital thermometer.It is generally medically accepted that normal body temperature ranges between 36.5 ☌ (97.7 ☏) to 37.5 ☌ (99.5 ☏).A temperature over 38 ☌ (100.4 ☏) most often means you have a fever caused by infection or illness.