eli5: why does it get so cold in the desert at night.

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Let’s take the Sahara for example, it’s a lot closer to the equator, yet at night temperatures fall to -4c (25f). Yet in the uk which is a lot further away from the equator, the night temperatures are around 15c (60f) during the summer. Why is this?

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12 Answers

Anonymous 0 Comments

Consider that Moscow and London are a similar distance from the North Pole. The UK is surrounded by water which regulates the land temperature. It’s never too hot or too cold. Moscow, however, freezes in winter.

Anonymous 0 Comments

The desert gets cold at night because the air is dry. Dry air doesn’t hold heat as well as humid air, so it cools off more quickly at night.