The temperature of the surface of the skin varies with the environmental temperature, with the temperature of the body and with conditions in the skin and in the structures lying beneath it. VARIATIONS IN DIFFERENT REGIONS OF THE SKIN In a comfortable environment, the temperature of the skin surface varies in different regions of the body. The temperature of the skin surface of the trunk usually varies between 33.5 and 36.9 C. (92.3 and 98.4 F.).¹ The temperature of the skin surface is lower over superficial veins than it is over superficial arteries. It is lower over protruding and markedly curved parts, such as the nose, ears, fingers and toes.²The temperature of the skin is higher over muscles than over bone or tendons, over an active organ than over one at rest.³As a rule, stout persons (because of their thicker layer of subcutaneous fat) have
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William Bierman (1936) studied this question.