Desert climate

hot desert climateBWhBWkarid climatehot desertcold desert climateariddesertcold desertarid desert climate
[[File:BW climate.png|thumb|right|upright=1.6|Regions with desert climateswikipedia
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Köppen climate classification

ClimateKöppenKöppen-Geiger climate classification system
The desert climate (in the Köppen climate classification BWh and BWk), is a climate in which there is an excess of evaporation over precipitation.
If the annual precipitation is less than 50% of this threshold, the classification is BW (arid: desert climate); if it is in the range of 50%–100% of the threshold, the classification is BS (semi-arid: steppe climate).

Atacama Desert

AtacamadesertAtacama Altiplano
Although no part of Earth is known for certain to be absolutely rainless, in the Atacama Desert in northern Chile, the average annual rainfall over a period of 17 years was only 5 mm.
The Atacama desert is one of the driest places in the world (the driest being some very specific spots within the McMurdo Dry Valleys ), as well as the only true desert to receive less precipitation than the polar deserts.

Sahara

Sahara DesertSaharanSaharan Desert
Some locations in the Sahara Desert such as Kufra, Libya record only of rainfall annually. 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 Grand Bara Desert; deserts of Southern Africa such as the Namib Desert or the Kalahari Desert; deserts of the Middle East such as the Arabian Desert, the Syrian Desert or the Lut Desert; deserts of South Asia such as Dasht-e Kavir or the Thar Desert of India and Pakistan; deserts of the United States and Mexico such as the Mojave Desert, the Sonoran Desert or the Chihuahuan Desert; deserts of Australia such as the Simpson Desert or the Great Victoria Desert and many other regions.
The subtropical ridge is the predominant factor that explains the hot desert climate (Köppen climate classification BWh) of this vast region.

Kufra

Kufra OasisKufrah OasisKhofra
Some locations in the Sahara Desert such as Kufra, Libya record only of rainfall annually.
Kufra has a hot desert climate (Köppen climate classification: BWh).

Death Valley

Death Valley, California
The official weather station in Death Valley, United States reports annually, but in a 40-month period between 1931 and 1934 a total of of rainfall was measured.
Death Valley has a subtropical, hot desert climate (Köppen: BWh), with long, extremely hot summers and short, mild winters, as well as little rainfall.

United States

AmericanU.S.USA
The official weather station in Death Valley, United States reports annually, but in a 40-month period between 1931 and 1934 a total of of rainfall was measured. 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 Grand Bara Desert; deserts of Southern Africa such as the Namib Desert or the Kalahari Desert; deserts of the Middle East such as the Arabian Desert, the Syrian Desert or the Lut Desert; deserts of South Asia such as Dasht-e Kavir or the Thar Desert of India and Pakistan; deserts of the United States and Mexico such as the Mojave Desert, the Sonoran Desert or the Chihuahuan Desert; deserts of Australia such as the Simpson Desert or the Great Victoria Desert and many other regions. The Kyzyl Kum, Taklamakan and Katpana Desert deserts of Central Asia and the drier portions of the Great Basin Desert of the western United States are other major examples of BWk climates.
The climate is arid in the Great Basin, desert in the Southwest, Mediterranean in coastal California, and oceanic in coastal Oregon and Washington and southern Alaska.

Danakil Desert

Afar depressionAfar DesertDanakil
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 Grand Bara Desert; deserts of Southern Africa such as the Namib Desert or the Kalahari Desert; deserts of the Middle East such as the Arabian Desert, the Syrian Desert or the Lut Desert; deserts of South Asia such as Dasht-e Kavir or the Thar Desert of India and Pakistan; deserts of the United States and Mexico such as the Mojave Desert, the Sonoran Desert or the Chihuahuan Desert; deserts of Australia such as the Simpson Desert or the Great Victoria Desert and many other regions.
Situated in the Afar Triangle, it stretches across 136,956 km2 of arid terrain.

Namib

Namib DesertNamib Sand SeaNamibe desert
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 Grand Bara Desert; deserts of Southern Africa such as the Namib Desert or the Kalahari Desert; deserts of the Middle East such as the Arabian Desert, the Syrian Desert or the Lut Desert; deserts of South Asia such as Dasht-e Kavir or the Thar Desert of India and Pakistan; deserts of the United States and Mexico such as the Mojave Desert, the Sonoran Desert or the Chihuahuan Desert; deserts of Australia such as the Simpson Desert or the Great Victoria Desert and many other regions.
Having endured arid or semi-arid conditions for roughly 55–80 million years, the Namib may be the oldest desert in the world and contains some of the world's driest regions, with only western South America's Atacama Desert to challenge it for age and aridity benchmarks.

Arabian Peninsula

ArabiaArabianArab Peninsula
These locations feature some of the highest annual average temperatures recorded on Earth, exceeding 30 C. This last feature is seen in sections of Africa and Arabia.
The plains usually have either a tropical or subtropical arid desert climate or arid steppe climate.

Arabian Desert

desertArabianArabian Desert and East Sahero-Arabian xeric shrublands
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 Grand Bara Desert; deserts of Southern Africa such as the Namib Desert or the Kalahari Desert; deserts of the Middle East such as the Arabian Desert, the Syrian Desert or the Lut Desert; deserts of South Asia such as Dasht-e Kavir or the Thar Desert of India and Pakistan; deserts of the United States and Mexico such as the Mojave Desert, the Sonoran Desert or the Chihuahuan Desert; deserts of Australia such as the Simpson Desert or the Great Victoria Desert and many other regions.
The Arabian Desert has a subtropical, hot desert climate, similar to the climate of the Sahara Desert; the world's largest hot desert.

Highest temperature recorded on Earth

(more info)Highest recorded surface temperature on Earthhighest temperature ever recorded on Earth
This includes the record of 56.7 C, which is currently considered the highest temperature recorded on Earth.

Simpson Desert

SimpsonArunta (Simpson) DesertFrench Line
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 Grand Bara Desert; deserts of Southern Africa such as the Namib Desert or the Kalahari Desert; deserts of the Middle East such as the Arabian Desert, the Syrian Desert or the Lut Desert; deserts of South Asia such as Dasht-e Kavir or the Thar Desert of India and Pakistan; deserts of the United States and Mexico such as the Mojave Desert, the Sonoran Desert or the Chihuahuan Desert; deserts of Australia such as the Simpson Desert or the Great Victoria Desert and many other regions.
The area has an extremely hot, dry desert climate.

Great Basin Desert

Nevada desertTonopah BasinGreat Basin shrub steppe
The Kyzyl Kum, Taklamakan and Katpana Desert deserts of Central Asia and the drier portions of the Great Basin Desert of the western United States are other major examples of BWk climates.
The Great Salt Lake Desert, located near the north-east corner of the Great Basin desert, is an excellent example of a cold desert climate.

Taklamakan Desert

TaklamakanTaklimakan DesertTakla Makan
The Kyzyl Kum, Taklamakan and Katpana Desert deserts of Central Asia and the drier portions of the Great Basin Desert of the western United States are other major examples of BWk climates.
Because it lies in the rain shadow of the Himalayas, Taklamakan is a paradigmatic cold desert climate.

Tabernas Desert

desert of Tabernasdesierto de TabernasTabernas Basin
This is also found in Europe, primarily in Bardenas Reales near Tudela, Navarre and high altitude parts of the Tabernas Desert in Almería, Spain.
The Tabernas Desert has various types of climates; from the hot desert climate and hot semi-arid climate in a few lowland areas to the cold desert climate and the cold semi-arid climate in most of the desert.

Leh

Leh, IndiaLeh Old TownLeh Tehsil
The Ladakh region, and the city of Leh in the Great Himalayas in India, also has a cold desert climate.
Leh has a cold desert climate (Köppen climate classification BWk) with long, cold winters from late November to early March, with minimum temperatures well below freezing for most of the winter.

Spain

SpanishESPKingdom of Spain
This is also found in Europe, primarily in Bardenas Reales near Tudela, Navarre and high altitude parts of the Tabernas Desert in Almería, Spain.
Apart from these main types, other sub-types can be found, like the alpine climate in areas with very high altitude, the humid subtropical climate in areas of northeastern Spain and the continental climates (Dfc, Dfb / Dsc, Dsb) in the Pyrenees as well as parts of the Cantabrian Range, the Central System, Sierra Nevada and the Iberian System, and a typical desert climate (BWk, BWh) in the zone of Almería, Murcia and eastern Canary Islands.

Almería

AlmeriaAlmería, SpainAlmeria, Spain
This is also found in Europe, primarily in Bardenas Reales near Tudela, Navarre and high altitude parts of the Tabernas Desert in Almería, Spain.
With a yearly precipitation of just 200 mm and with only 26 days of precipitation, Almería is the only city in Europe with a true hot desert climate (BWh) according to the Köppen climate classification, bordering a hot semi-arid climate (BSh).

Evaporation

evaporateevaporatedevaporates
The desert climate (in the Köppen climate classification BWh and BWk), is a climate in which there is an excess of evaporation over precipitation.

Precipitation

rainfallhydrometeorannual precipitation
The desert climate (in the Köppen climate classification BWh and BWk), is a climate in which there is an excess of evaporation over precipitation.

Polar climate

polarArctictundra climate
Covering 14.2% of earth's land area, hot deserts may be the most common type of climate on earth, after polar climate.

Libya

State of LibyaLibyanLBY
Some locations in the Sahara Desert such as Kufra, Libya record only of rainfall annually.

Desert

desertsaridhigh desert
There are two variations of a desert climate: a hot desert climate (BWh), and a cold desert climate (BWk).

Contour line

isothermcontourscontour map
To delineate "hot desert climates" from "cold desert climates", there are three widely used isotherms: most commonly a mean annual temperature of, or sometimes a mean temperature of in the coldest month, so that a location with a BW type climate with the appropriate temperature above whichever isotherm is being used is classified as "hot arid" (BWh), and a location with the appropriate temperature below the given isotherm is classified as "cold arid" (BWk).

Horse latitudes

subtropical ridgesubtropical anticyclonesubtropical high
Hot desert climates (BWh) are typically found under the subtropical ridge in the lower middle latitudes, often between 20° and 33° north and south latitude.