Why exactly do high-altitude areas tend to have large diurnal temperatures?

Question

Whenever you go search up the weather for places of high-altitude from the Tibetan, Mongolian, and Andes Plateaus to the Antarctic and Greenland ice sheets, you can notice that their day-night temperature differences tend to have a relatively wider range compared to their low-lying counterparts. Why is this so?

In: 11

Answer 1

*diurnal temperature ranges