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The daytime temperature averages 38°C while in some deserts it can get down to -4°C at night. The temperature also varies greatly depending on the location of the desert. Since desert conditions are so severe, the plants that live there need to have adaptations to compensate for the lack of water.
A combination of extreme temperature fluctuations and incredibly low levels of water makes the desert biome a very harsh land mass to live in. Temperatures are so extreme during the day because there is very little moisture in the atmosphere to block out the sun’s rays.
Hot-month average temperatures are normally between 29 and 35 °C (84 and 95 °F), and midday readings of 43–46 °C (109–115 °F) are common. The world absolute heat records, over 50 °C (122 °F), are generally in the hot deserts, where the heat potential can be the highest on the planet.
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14 Οκτ 2024 · Typical mean annual temperatures are between 20 °C (68 °F) and 25 °C (77 °F). Temperate or cold deserts occur in temperate regions at higher latitudes—and therefore colder temperatures—than those at which hot deserts are found.
14 Οκτ 2024 · According to some definitions, any environment that is almost completely free of plants is considered desert, including regions too cold to support vegetation—i.e., “frigid deserts.” Other definitions use the term to apply only to hot and temperate deserts, a restriction followed in this account.
Most of Earth’s tropical, true desert climates occur between 15° and 30° latitude, at the poleward end of the Hadley cell circulation (see atmosphere). In the Köppen-Geiger-Pohl system, this climate is divided between the tropical desert (BWh) and subtropical desert (part of BWk) subtypes.
