You searched for: “thermhypesthesia
thermhypesthesia, thermohypesthesia, thermohypoesthesia (s) (noun); thermhypesthesias; thermohypesthesias; thermohypoesthesias (pl)
Diminished sensitivity to hot or cold stimuli: As a result of his thermhypesthesia, Clarence was able to hike for miles on a cold day and still be comfortable.

Hans was sweating less than usual when he was climbing up the mountain which suggested that he was experiencing thermhypesthesia.