Tuesday, August 11, 2009

Costa Rica Geography and Climate

Costa Rica is located on the Central American isthmus, 10° North of the equator and 84° West of the Prime Meridian. It borders both the Caribbean Sea (to the east) and the North Pacific Ocean (to the west), with a total of 1,290 kilometers (800 mi) of coastline, 212 km (132 mi) on the Caribbean coast and 1,016 km (631 mi) on the Pacific.

Costa Rica also borders Nicaragua to the north (309 km or 192 mi of border) and Panama to the south-southeast (639 km or 397 mi of border). In total, Costa Rica comprises 51,100 square kilometers (19,700 sq mi) plus 589 square kilometers (227 sq mi) of territorial waters.

The highest point in the country is Cerro Chirripó, at 3,820 metres (12,500 ft), and is the fifth highest peak in Central America. The highest volcano in the country is the Irazú Volcano (3,431 m or 11,260 ft). The largest lake in Costa Rica is Lake Arenal.

Costa Rica also comprises several islands. Cocos Island (24 square kilometers/9.3 square miles) stands out because of its distance from continental landmass and also because of its incredible marine biodiversity (PADI the diving organisation ranks it as the number 1 dive destination in the world) 300 mi (480 km) from Puntarenas, but Calero Island is the largest island of the country (151.6 square kilometers/58.5 square miles).

Costa Rica protects 25% of its national territory within the Protected Areas system. It also possesses the greatest density of species in the world.

Costa Rica is a tropical country, situated between 8° and 11° North latitude, fairly close to the equator. In the mountains above 2000 meters you get much cooler temperatures but the average annual temperature for most of the country lies between 21.7°C (71°F) and 27°C (81°F). The coolest months are from November through January, and the warmest from March through May. San José, the capital, where over a third of the population lives, stands at approximately 1170 meters altitude and has a mean annual temperature of 20.6°C (69°F).

The nation's climate is classically divided into two major seasons: rainy and dry. The dry season runs from January through May and the rainy season from May to November and December. Locally, the seasons were named by the early Spanish colonizers, who compared them to their own Mediterranean climate, calling the dry months "verano" or summer, and the rainy, grey and gloomy months "invierno" or winter. It is interesting to note that some of the coldest temperatures are registered during the early dry season or "summer".

Because Costa Rica is located only about eight degrees north of the equator, the climate is tropical year round. However, this varies depending on elevation and rainfall. Therefore, it is greatly affected by the geography of Costa Rica. The Caribbean (northeast) slopes of the Central Cordillera mountains receive the most rain with an annual rainfall of over 5,000 mm. Humidity is also higher on the Caribbean side than on the Pacific side.

Both coastlines of Costa Rica have an abundance of beaches, though the Pacific strands are generally both less developed and less spacious. Between the coasts, the interior of the country is shaped by four mountain ranges, which run from North to South. The capital, San Jose, rests roughly in the nation's center, settled within a highland valley. Cascading down to the Caribbean from the central mountains are Costa Rica's many great rivers, including the Reventazon. The Pacific side is marked by two broad peninsulas that hook out into the Pacific, the Nicoya and the Osa. It is a geographic curiosity that their shapes are almost identical, the Osa being a smaller rendition of the Nicoya.

Demonstrating an environmental sensitivity unparalleled elsewhere, Costa Ricans have set aside one quarter of their land as protected areas and national parks. Ecotourists are rewarded with botanical and animal marvels found nowhere else on Earth. Although Costa Rica is best known as an invaluable refuge for nature, this small nation is also a haven of peace with no army, more teachers than Police and a Ministry of Peace.

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