Question

Why thwee is difference in temp of moutains and deserts?

Answer 1

Temperatures on mountains become colder at high elevations, due to the way that the sun heats the surface of the Earth. Humidity decreases with altitude, so generally mountains aren't very humid. ... Deserts are hot during the day and cool at night with little humidity.

Answer 2

In the mountains, the state of the atmosphere is different than the one in the desert. Due to high altitude, Mountains have low temperature. But in the deserts, due to large plain and open region, the absorbtion of heat by sand takes place at a high rate. This causes difference in temperature of mountains and deserts