Under the tongue, normal temperature is slightly higher at about
37°C (98.4°F). ... If you have a thermometer, take your child's
temperature under their armpit. Taking your baby's temperature.
... Normal axillary (under the arm) temperature ranges from 97.5
to 99.3 degrees Fahrenheit (36.5 to 37.4 degrees Celsius)*. It's
hard not to worry when your baby is crying and her temperature
is soaring, but a fever ... Normal body temperature is between
36 degrees C and 37 degrees C, but this can ... Tuck it under
your baby's armpit, with her arm down by her side.