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A map illustrates high- and low-pressure zones worldwide for January, with high-pressure zones marked in red and low-pressure zones in blue.

Locations of high- and low-atmospheric pressure at mean sea level during January.

High- and Low-Pressure Zones, January

High-Pressure Zones are found in Western North America (1,022 millibars), Northwest Africa (1,024 millibars), North-central Asia (1,044 millibars), Southeast Pacific (1,018 millibars), South Atlantic (1,022 millibars), South Indian Ocean (1,022 millibars) Low-Pressure Zones are found in North Pacific near the Aleutian Islands (984 millibars), North Atlantic near Greenland and Iceland (992 millibars), along the equator in the Central Pacific Ocean, Central Africa, and Western Pacific Ocean, and around the coasts of Antarctica (three lows at 980 millibars).

World

nature

Alaska

Arizona

Yukon

Northwest Territories

District of Columbia

Florida

Idaho

New Hampshire

Rhode Island

Vermont

Washington

Wyoming

Nunavut

Montana

Maine

North Dakota

Kentucky

Nova Scotia

Virginia

Delaware

Prince Edward Island

Saskatchewan

Mississippi

West Virginia

Nebraska

Texas

Missouri

Louisiana

Hawaii

North Carolina

Oregon

New Brunswick

Alabama

New Mexico

Kansas

Wisconsin

British Columbia

Newfoundland and Labrador

New Jersey

South Carolina

Michigan

Alberta

Connecticut

Pennsylvania

Colorado

Nevada

Massachusetts

Georgia

New York

Maryland

Québec

Manitoba

Oklahoma

Tennessee

Ontario

California

Arkansas

South Dakota

Ohio

Indiana

Minnesota

Iowa

Illinois

A map depicts various climate zones across the globe, each marked with distinctive colors to represent different climatic conditions.

The Köppen climate classification is a widely used climate classification system. It divides climates into five main groups, each with multiple subtypes.

Climate Zones

Tropical rain forests (A f), highlighted in dark green, are located in regions such as the Amazon Basin in South America, the Congo Basin in Central Africa, and Southeast Asia. Tropical monsoon climates (A m), shown in a yellow-green color, are found on the west coast of India, parts of Southeast Asia, and areas in Central and South America. Tropical savannas (A w), depicted in light green, span areas like central Brazil, central Africa, Myanmar, Vietnam, North East India, and northern Australia. Dry climates are represented by shades of brown and yellow. Tropical and subtropical hot deserts (B W h), in dark red, cover northern Africa Pakistan, Afghanistan, Mexico, and much of Australia. Midlatitude cold deserts (B W k), shown in light brown, are found in the Gobi Desert of Mongolia and China and parts of North America and South America, Tropical and subtropical hot steppes (B S h), colored in light yellow, are present in the Sahel region of Africa, parts of India, parts of south America, and northern and western Australia. Midlatitude cold steppes (B S k), marked in dark yellow, stretch across central Asia and the western North American Great Plains, parts in South America, Spain, and South Africa.Mesothermal climates are represented in shades of light blue, green, and purple. Humid subtropical climates (C f a), in light blue, are located in southeastern U S A, eastern China, Japan, southeast Australia, Paraguay, and Uruguay. Humid subtropical climates with winter dryness (C w a), shown in teal, are found in parts of northern India and southeastern China, southern Africa, and parts of South America. Marine west coast climates (C f b, C f c), depicted in darker blue, occur in northwestern Europe and parts of outer America. Mediterranean climates (C s a, C s b), in brown, cover the Mediterranean Basin, parts of California, central Chile, and parts of Europe.Microthermal climates, marked in varying shades of purple and pink, include humid continental climates with hot summers (D f a, D w a) in northeastern U S A, eastern China, and Korea. Humid continental climates with mild summers (D f b, D w b), shown in light purple, span northeastern Europe, parts of Canada, and northern Japan. Subarctic climates with cool summers (D f c, D w c, D s c), in dark blue, are found in Siberia, parts of Canada, and Scandinavia. Subarctic climates with cold winters (D f d, D w d, D s d), in the darkest shade of purple, cover northern Siberia.Finally, polar and highland climates are represented by light and dark grey. Tundra climates (E T), in light grey, are located in the coastal regions of the Arctic, northern Alaska, northern Canada, and parts of Greenland. The darkest grey areas indicate ice cap climates (E F), covering the interior of Greenland and Antarctica.

Display by:	High- and Low-Pressure Zones, January	Climate Zones
	High	Tropical rain forest (Af)	Tropical monsoon (Am)	Tropical savanna (Aw)	Tropical, subtropical hot desert (BWh)	Midlatitude cold desert (BWk)	Tropical, subtropical hot steppe (BSh)	Midlatitude cold steppe (BSk)	Humid subtropical moist all year, hot summer (Cfa)	Marine West Coast (Cfb, Cfc)	Mediterranean (Csa, Csb)	Humid continental, hot summers (Dfa, Dwa, Dsa)	Humid continental, mild summers (Dfb, Dwb, Dsb)	Subarctic, cool summer (Dfc, Dwc, Dsc)	Tundra (ET)
Alaska										0.263%			0.281%	82.1%	11.6%
Arizona					23.6%	2.88%	10.7%	39.0%			0.733%		5.07%
Utah	1					0.588%		61.0%				7.26%	6.12%
Yukon														98.1%	1.84%
Northwest Territories													0.348%	72.6%	0.290%
District of Columbia									100%
Florida			4.03%	1.55%					91.4%
Idaho						2.91%		30.2%				3.27%	54.9%	1.18%
New Hampshire													76.3%	23.7%
Rhode Island												13.3%	69.7%
Vermont													99.7%	0.255%
Washington						5.04%		1.86%		1.11%	24.0%		43.6%
Wyoming						7.26%		46.3%				0.567%	32.4%	12.0%
Nunavut														11.8%	17.3%
Montana								57.3%					38.2%	1.27%
Maine													93.3%	6.03%
North Dakota								10.1%				1.48%	86.6%
Kentucky									92.1%			7.93%
Nova Scotia													75.7%
Virginia									80.5%	3.31%		4.25%	9.08%
Delaware									86.7%			10.3%
Prince Edward Island													89.3%
Saskatchewan								0.467%					36.8%	57.3%
Mississippi									99.8%
West Virginia									29.5%			25.5%	4.76%
Nebraska								17.7%				79.4%	2.90%
Texas						2.54%	13.8%	23.0%	60.1%
Missouri									26.4%			72.3%
Louisiana									97.6%
Hawaii		6.90%	5.68%	2.83%			0.523%
North Carolina									91.1%	3.09%			0.441%
Oregon						6.51%		31.0%			31.1%		15.4%	5.08%
New Brunswick													97.3%
Alabama									100%
New Mexico						0.730%		68.2%	0.895%	2.27%	0.265%	0.661%	14.3%	0.207%
Kansas								22.6%	9.98%			67.4%
Wisconsin												21.4%	78.5%
British Columbia						0.184%		0.977%		0.593%	0.282%		40.5%	47.6%
Newfoundland and Labrador													13.1%	63.7%	9.22%
New Jersey									24.0%			56.9%	17.8%
South Carolina									99.3%	0.150%
Michigan												16.9%	83.0%	0.172%
Alberta								3.24%					63.2%	13.0%
Connecticut												51.3%	48.4%
Pennsylvania									0.122%			52.0%	44.8%
Colorado								56.3%				2.11%	28.6%	8.17%	0.521%
Nevada					8.09%	6.39%		39.1%			0.125%	1.34%	0.631%
Massachusetts												1.16%	78.7%
Georgia									99.6%	0.332%
New York												2.68%	93.4%
Maryland									29.2%			31.9%	5.56%
Québec												0.104%	20.2%	62.1%	14.6%
Manitoba													33.0%	66.8%
Oklahoma								9.80%	90.2%
Tennessee									98.2%	1.29%			0.470%
Ontario												0.290%	53.6%	42.8%
California					19.3%	2.56%	1.48%	0.371%			49.0%		7.52%
Arkansas									100%
South Dakota								41.0%				41.2%	15.3%
Ohio									3.59%			81.0%	15.0%
Indiana									6.32%			92.9%	0.816%
Minnesota												15.1%	84.4%
Iowa												96.5%	0.309%
Illinois									6.99%			89.9%	1.23%

MapMaster 3

High- and Low-Pressure Zones, January