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Hot semi-arid (steppe) climate

Köppen Code: BSh
B : Arid
S : Steppe
h : Hot


View Index of Climate Classification Types

Steppe climates are intermediates between desert climates (BW) and humid climates in ecological characteristics and agricultural potential.

To determine if a location has a semi-arid climate, the precipitation threshold must first be determined. Finding the precipitation threshold (in millimeters) involves first multiplying the average annual temperature in °C by 20, then adding 280 if 70% or more of the total precipitation is in the high-sun half of the year (April through September in the Northern temperate zone, or October through March in the Southern), or 140 if 30%–70% of the total precipitation is received during the applicable period, or 0 if less than 30% of the total precipitation is so received. If the area's annual precipitation is less than the threshold but more than half the threshold, it is classified as a BS (steppe climate).

Hot semi-arid climates have a mean annual temperature of at least 18°C, or a mean temperature greater than 0°C in the coldest month.

Related climatic classifications
BSkCold semi-arid (steppe) climate
BWhHot deserts climate
BWkCold desert climate


A selection of mineral localities found in this climate zone.

Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia
Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Pomba pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Brazil
Naica, Mun. de Saucillo, Chihuahua, Mexico
Navidad Mine (Mina Navidad; Abasolo Mine; Rodeo Mine), Abasolo, Rodeo, Mun. de Rodeo, Durango, Mexico
Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico
Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico
Wolfe Creek meteorite crater, Carranya Station, Halls Creek Shire, Western Australia, Australia
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
Cloncurry Shire, Queensland, Australia
Agua Prieta, Sonora, Mexico
San Antonio Mine (San Antonio el Grande Mine), East Camp, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico
Berg Aukas Mine (Berg Aukus Mine), Grootfontein District, Otjozondjupa Region, Namibia
Magma Mine (Magma Superior Mine; Irene claim; Hub claim; Pomeroy; Superior Division; Silver Queen; Monarch claim; Magma Copper Mine; Broken Hill; Apex), Superior, Pioneer District, Pinal Mts, Pinal Co., Arizona, USA
Naica Mine, Naica, Mun. de Saucillo, Chihuahua, Mexico
Okorusu Mine (Okarusu Mine), Otjiwarongo District, Otjozondjupa Region, Namibia
Hatrurim Formation, Negev, Israel
Concepción del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico
Endeavor Mine (Elura Mine), Cobar, Robinson Co., New South Wales, Australia
Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Great Australia Mine, Cloncurry, Cloncurry Shire, Queensland, Australia
Old Yuma Mine (Yuma Mine), Saguaro National Monument, Amole District, Tucson Mts, Pima Co., Arizona, USA
Tsumeb, Otjikoto Region (Oshikoto), Namibia
Horseshoe Dam area (Horseshoe Dam Clinoptilolite occurrence), Maricopa Co., Arizona, USA
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