Borders of Suriname in the treaty was the result of an arbitration process that was headed by King Victor Emmanuel III of Italy. The treaty was signed in Rio de Janeiro on May 5, 1906. Brazil and the Netherlands both ratified the treaty in 1908. Borders of Suriname The borders of Suriname are subject to longstanding disputes between Suriname and its neighbouring countries Guyana and France (via French Guiana). Only the border with Brazil has been uncontroversial since 1906. In 1860, the question was posed from the French side, which of the two tributary rivers of the Marowijne River (also called Maroni and
Suriname the Atlantic coast. The southernmost borders with French Guiana and Guyana are disputed by these countries along the Marowijne and Corantijn rivers, respectively, while a part of the disputed maritime boundary with Guyana was arbitrated by a tribunal convened under the rules set out in of the United Nations Convention on the Law of the Sea on 20 September 2007. Lying 2 to 5 degrees north of the equator, Suriname has a very hot and wet tropical climate, and temperatures do not vary much throughout the year. Average relative humidity is between 80% and 90%. Its average temperature ranges from