The climate is tropical throughout, more humid along the coast and dryer inland. The coast has a number of mangrove swamps.

The town of Inhambane existed in the 10th century, and was the southernmost port used by Arabs for slave trading. The region was visited by Vasco da Gama in 1498, who claimed Inhambane Bay for Portugal. The Portuguese established a trading post at Inhambane in 1534.