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At the time of high sun (summer), scorching, desiccating heat prevails. Hot-month average temperatures are normally between {{cvt|29|and|35|C}}, and midday readings of {{convert|43–46|C|F}} are common. The world absolute heat records, over {{convert|50|C|F}}, are generally in the hot deserts, where the heat potential can be the highest on the planet. This includes the record of {{convert|56.7|C|F}} in [[Death Valley]], which is currently considered the [[highest temperature recorded on Earth]].<ref>{{Cite web |last1=Valley |first1=Mailing Address: P. O. Box 579 Death |last2=Us |first2=CA 92328 Phone: 760 786-3200 Contact |title=Weather - Death Valley National Park (U.S. National Park Service) |url=https://www.nps.gov/deva/learn/nature/weather-and-climate.htm |access-date=2022-04-23 |website=www.nps.gov |language=en}}</ref> Some deserts in the [[tropics]] consistently experience very high temperatures all year long, even during wintertime. These locations feature some of the highest annual average temperatures recorded on Earth, exceeding {{convert|30|C|F}}, up to nearly {{convert|35|C|F}} in [[Dallol, Ethiopia]]. This last feature is seen in sections of Africa and [[Arabia]]. During colder periods of the year, night-time temperatures can drop to freezing or below due to the exceptional radiation loss under the clear skies. However, very rarely do temperatures drop far below freezing under the hot subtype.
[[File:Koppen-Geiger Map BWh present.svg|thumb|left|250px|Regions with hot desert climates]]
Hot desert climates can be found in the deserts of [[North Africa]] such as the wide [[Sahara Desert]], the [[Libyan Desert]] or the [[Nubian Desert]]; deserts of the [[Horn of Africa]] such as the [[Danakil Desert]] or the [[
Hot deserts are lands of extremes: most of them are among the hottest, the driest and the sunniest places on Earth because of nearly constant high pressure; the nearly permanent removal of low-pressure systems, dynamic fronts and atmospheric disturbances; sinking air motion; dry atmosphere near the surface and aloft; the exacerbated exposure to the sun where solar angles are always high makes this desert inhospitable to most species.
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