Geography of the Dominican Republic
 |
|
| Continent | Americas |
|---|---|
| Region |
Caribbean Greater Antilles |
| Coordinates | 19°00' N 70°40' W |
| Area | Ranked 131nd time-now km area = 48670 |
| Coastline | 1,288 km (800 mi) |
| Borders |
Total land borders: 275 km |
| Highest point |
Pico Duarte 3,098 m |
| Lowest point |
Lake Enriquillo -46 m |
| Longest river | Yaque del Norte River |
| Largest lake | Lake Enriquillo |
The Dominican Republic (Spanish: República Dominicana) is a country in the West Indies that occupies the eastern five-eighths of Hispaniola. It has an area of 48,670 km², including offshore islands. The land border shared with Haiti, which occupies the western three-eighths of the island, is 376 km long. The maximum length, east to west, is 390 km from Punta de Agua to Las Lajas, on the border with Haiti. The maximum width, north to south, is 265 km from Cape Isabela to Cape Beata. The capital, Santo Domingo, is located on the south coast.
The Dominican Republic's shores are washed by the Atlantic Ocean to the north and the Caribbean Sea to the south. The Mona Passage, a channel about 130 km wide, separates the country (and Hispaniola) from Puerto Rico.
The country is a tropical, maritime nation. Conditions are ameliorated in many areas by elevation and by the northeast trade winds, which blow steadily from the Atlantic all year long. The annual mean temperature is 25 °C (77 °F); regional mean temperatures range from 18 °C (64.4 °F) in the heart of the Cordillera Central (Constanza) to as high as 27 °C (80.6 °F) in arid regions. Temperatures rarely rise above 32 °C (89.6 °F), and freezing temperatures only occur in winter in the highest mountains. The average temperature in Santo Domingo in January is 24 °C (75.2 °F), and 27 °C (80.6 °F) in July.
The rain season for the northern coast is from November to January. For the rest of the country, the rain season is from May to November. The average annual rainfall is 1,346 mm (53.0 in), with extremes of 2,500 mm (98.4 in) or more in the mountainous northeast (the windward side of the island) and 500 mm (19.7 in) in the southwestern valleys. The western valleys, along the Haitian border, remain relatively dry, with less than 760 mm (29.9 in) of annual precipitation, due to the rain shadow effect caused by the central and northern mountain ranges. The northwestern and southeastern extremes of the country are also arid.
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