I WONDER - Are All Deserts Hot?

A desert is defined by its low precipitation, receiving less than 10 inches annually. Precipitation includes rain, hail, and snow. The largest deserts, the Arctic and Antarctic, are cold. Deserts can be too hot or cold for much rain, leading to their classification.

How much precipitation does a desert receive in a year?

Why are some places classified as deserts despite being cold or hot?