Question

why does a desert cooler cool better on a hot dry day?

Answer 1

Because humidity is low on a hot dry day, and the climate of the desert is cooler making it comfortable and suitable to live.

Answer 2

Answer:

The cooling in a desert room cooler is caused by evaporation of water. A desert cooler cools better on a hot and dry day because the higher temperature on a hot day increases the rate of evaporation of water, and the dryness of air also increases the rate of evaporation of water. And due to increase the rate of evaporation of water, a desert room cooler cools better on a hot dry and day.