Geography of the Gambia careful surveying methods by the Franco-British boundary commission. Apart from its coastline, where the Gambia borders the Atlantic Ocean, it is an enclave of Senegal and is by far the smallest country on mainland Africa. The Gambia has a subtropical climate with distinct dry and rainy seasons. From November to mid-May there is uninterrupted dry weather, with temperatures as low as in Banjul and surrounding areas. Hot, humid weather predominates the rest of the year, with a rainy season from June to October; during this period, temperatures may rise as high as but are usually lower near the sea. Mean
Transport in the Gambia excellent condition. The Gambia River not only provides important internal transport but is also an international commercial link. Oceangoing vessels can travel 240 km upstream. In 2004 there were 390 km of total waterways. Banjul, the principal port, receives about 300 ships annually. Ferries operate across the river and between Banjul and Barra. With the construction of major all-weather roads on both sides of the Gambia River, the waterway has become less significant for passenger traffic. Waterways: 390 km (small ocean-going vessels can reach 190 km) (2008) <br>"country comparison to the world:" 90 Ports and harbours: Banjul, Gambia Ports Authority