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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.

Pomba pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Brazil
Naica, Saucillo Municipality, Chihuahua, Mexico
Noche Buena Mine, Noche Buena, Mazapil Municipality, Zacatecas, Mexico
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Potosí Mine (El Potosí Mine), Francisco Portillo, West Camp, Santa Eulalia District, Aquiles Serdán Municipality, Chihuahua, Mexico
San Antonio Mine (San Antonio el Grande Mine), East Camp, Santa Eulalia District, Aquiles Serdán Municipality, Chihuahua, Mexico
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, Saucillo Municipality, Chihuahua, Mexico
Concepción del Oro, Concepción del Oro Municipality, Zacatecas, Mexico
Tonopah-Belmont Mine (East Vulture Mine; Belmont-McNeil Mine; Economy Mining Co. Mine), Belmont Mountain, Tonopah, Osborn District, Big Horn Mts, Maricopa Co., Arizona, USA
Bambollita Mine (Oriental Mine), Moctezuma, Moctezuma Municipality, Sonora, Mexico
Old Yuma Mine (Yuma Mine), Saguaro National Monument, Amole District, Tucson Mts, Pima Co., Arizona, USA
Pedra Preta pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Brazil
Tole (Tui; Toyee; Toj Shingi), Wana, South Waziristan, Khyber Pakhtunkhwa, Pakistan
Golden Mile Mines, Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia, Australia
Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA
Bou Skour Mine, Bou Skour District, Djebel Saghro (Jbel Saghro), Ouarzazate Province, Drâa-Tafilalet, Morocco
Chispas Mine (Pedrazzini mine), Arizpe, Arizpe Municipality, Sonora, Mexico
Navojoa, Navojoa Municipality, Sonora, Mexico
Mount Isa, Mount Isa City Shire, Queensland, Australia
Alto Benedito pegmatite (Alto Bernardino; Alto Questão), Frei Martinho, Borborema mineral province, Paraíba, Brazil
Potter-Cramer Mine (Potter Cramer property), Vulture District, Vulture Mts, Maricopa Co., Arizona, USA
Black Rock Mine, Black Rock, Kalahari manganese field, Northern Cape, South Africa
San Francisco Mine (Cerro Prieto Mine), Cerro Prieto, Cucurpe, Cucurpe Municipality, Sonora, Mexico
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