is taking a temperature under the arm a degree higher or lower
A. The average (normal) temperature under the arm (98.7 axillary) is about one degree less than the mouth (98.6) , and about two degrees less than the rectal temperature 99.6).f you are transmitting information to a medical provider, you do not have to add or substract a degree. All you need to do is say, The temperature was 99.8 under the arm..