Why does one start sweating at 25 degrees (Celsius)/77(F) even though the body temperature is much higher?

Question

Why does one start sweating at 25 degrees (Celsius)/77(F) even though the body temperature is much higher?

In:

Answer 1

Basically, you starts sweating once your body can’t get rid of enough heat through exposure. The higher temperature your surrounding is, the slower heat transferral is through exposure.