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Average Annual Precipitation

WorldPhysical Environment

Global distribution of average annual precipitation

USGS

A map depicts the average annual precipitation worldwide. Highest precipitation areas (dark blue), are notably in western Brazil, Guinea, and Indonesia. Lowest precipitation (light blue) areas include northern Africa, Greenland, and central Australia.

Most of Asia, the southwestern and northeastern regions of North America, the western coastal region of South America, Iceland, the eastern and northwestern parts of Australia, and the extreme southern region of South Africa receive precipitation ranging from 10 to 19 inches shaded in light blue. Northern regions of Africa, Greenland, Uzbekistan, Kazakhstan, central Australia, and much of Russia, including its northern, southern, and eastern parts, receive around 10 inches of precipitation shaded in very light blue. Much of India, Nepal, eastern China, central Africa including Nigeria, Ethiopia, and Kenya, central North America, Mexico, and the eastern part of Canada receive 20 to 39 inches of precipitation. Central Africa and the eastern region of India, including South Asian regions, receive 40 to 59 inches of precipitation. Southern and southeastern Brazil, the Democratic Republic of Congo, Vietnam, and Japan receive 60 to 79 inches of precipitation. The western part of Brazil, Guinea, Sierra Leone, Liberia, the extreme northern region of Madagascar, Indonesia, Papua New Guinea, Costa Rica, and some regions in Central America receive over 80 inches of precipitation shaded in dark blue.

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Average Annual Precipitation

National Parks

80 and over inches

60–79 inches

40–59 inches

20–39 inches

10–19 inches

Under 10 inches

Arches

Aulavik National Park of Canada

Auyuittuq National Park of Canada

Badlands

Banff National Park of Canada

Bering Land Bridge National Park

Big Bend

Canyonlands

Cape Breton Highlands National Park of Canada

Capitol Reef

Channel Islands

Congaree

Crater Lake

Death Valley

Denali

Everglades

Fundy National Park of Canada

Glacier Bay

Glacier National Park of Canada

Glacier

Grand Canyon

Grand Teton

Great Basin

Great Sand Dunes

Great Smoky Mountains

Gros Morne National Park of Canada

Gwaii Haanas National Park Reserve of Canada and Haida Heritage Site

Haleakala

Hawai'i Volcanoes

Isle Royale

Ivvavik National Park of Canada

Jasper National Park of Canada

Joshua Tree

Kejimkujik National Park and National Historic Site of Canada

Kenai Fjords

Kings Canyon

Kluane National Park Reserve of Canada

Kobuk Valley

Kootenay National Park of Canada

Kouchibouguac National Park of Canada

Lassen Volcanic

Mammoth Cave

Mealy Mountains National Park Reserve

Mount Rainier

Nááts'ihch'oh National Park Reserve of Canada

Nahanni National Park Reserve of Canada

North Cascades

Olympic

Parc national Kuururjuaq

Parc national Tursujuq

Prince Albert National Park of Canada

Pukaskwa National Park of Canada

Qausuittuq National Park of Canada

Quttinirpaaq National Park of Canada

Redwood

Riding Mountain National Park of Canada

Rocky Mountain

Saguaro

Shenandoah

Sirmilik National Park of Canada

Theodore Roosevelt

Torngat Mountains National Park Reserve of Canada

Tuktut Nogait National Park of Canada

Ukkusiksalik National Park of Canada

Vuntut National Park of Canada

Wapusk National Park of Canada

Wood Buffalo National Park of Canada

Yellowstone

Yoho National Park of Canada

Yosemite

Zion

District of Columbia
100%
Idaho
22.8%66.2%10.9%
New Hampshire
82.5%17.5%
Rhode Island
3.94%
Vermont
0.378%99.6%
Maine
0.284%76.3%
Delaware
99.1%
Prince Edward Island
98.4%
Mississippi
23.9%76.0%
West Virginia
78.4%21.6%
Nebraska
62.3%37.7%
Missouri
75.4%24.6%
Louisiana
0.204%57.2%
Alabama
9.73%69.9%
New Mexico
80.4%19.5%
Kansas
17.1%78.3%4.62%
Wisconsin
100%
New Jersey
99.7%
Connecticut
99.9%
Pennsylvania
59.2%40.8%
Massachusetts
0.195%8.01%
Georgia
33.6%66.3%
New York
2.89%61.4%
Maryland
0.157%7.94%
Oklahoma
36.1%61.0%2.99%
Arkansas
100%
Ohio
32.0%68.0%
Indiana
25.2%74.8%
Minnesota
100%
Iowa
100%
Illinois
23.9%76.1%
Alaska
0.389%0.159%0.114%39.7%25.1%0.777%1.58%0.595%0.139%0.527%
Arizona
48.7%3.90%1.65%0.108%
Utah
52.3%8.61%0.132%0.602%0.414%0.258%
Yukon
3.35%17.0%71.1%8.49%2.50%4.12%1.08%
Northwest Territories
53.7%0.342%1.27%0.314%1.87%1.55%0.558%
Florida
6.59%0.114%2.68%
Washington
0.217%20.8%35.5%3.68%0.544%1.18%2.07%
Wyoming
94.9%5.08%0.426%3.27%
Nunavut
1.91%11.2%0.496%0.759%0.597%3.97%1.16%0.646%
Montana
2.47%97.5%1.09%0.155%
North Dakota
3.12%96.9%0.137%
Kentucky
99.1%0.934%0.152%
Nova Scotia
0.183%1.74%0.681%
Virginia
91.0%8.86%0.738%
Saskatchewan
100%0.603%
Texas
22.8%54.5%22.2%0.422%0.422%
Hawaii
58.7%0.380%7.64%
North Carolina
1.70%0.120%0.871%
Oregon
23.8%6.51%41.2%0.940%0.283%
New Brunswick
23.7%0.147%0.241%0.277%
British Columbia
0.306%0.252%17.8%43.0%0.127%0.112%0.129%0.127%
Newfoundland and Labrador
21.6%3.34%0.586%0.426%2.69%2.69%
South Carolina
7.80%92.1%0.118%
Michigan
100%0.404%
Alberta
8.49%91.5%0.921%1.59%6.07%
Colorado
11.2%88.8%0.316%0.399%
Nevada
0.983%29.3%69.7%0.156%0.115%
Québec
0.475%72.8%16.1%0.319%1.85%
Manitoba
4.00%96.0%0.423%1.76%
Tennessee
100%1.01%
Ontario
94.0%6.00%0.169%
California
4.72%56.2%31.3%1.42%0.108%3.22%0.737%0.837%0.115%0.113%0.741%
South Dakota
18.0%82.0%0.211%
0.16.0