Tarka, NigeriaTarka is a Local Government Area of Benue State, Nigeria. Its headquarters is in the town of Wannune.It has an area of 371 km and a population of 79,494 at the 2006 census.The postal code of the area is 981.ClimateTarka has a tropical wet and dry climate with a rainy season peaking between June and September and a dry season influenced by Harmattan winds from December to February. Temperatures range between 22°C and 33°C, and rainfall totals around 1,200–1,600 mm per year.