infant temperature range
Photo Credit baby image by Dron from Fotolia.com. An infant up to 3 months old has a normal body temperature range of 97 to 100.4 degrees Fahrenheit, 36 to 38 degrees Celsius, according to the American Academy of Pediatrics.Temperatures both higher and lower than this range are a cause for concern.hoto Credit baby image by Dron from Fotolia.com. An infant up to 3 months old has a normal body temperature range of 97 to 100.4 degrees Fahrenheit, 36 to 38 degrees Celsius, according to the American Academy of Pediatrics.