Rwanda is a landlocked republic in Equatorial Africa , situated on the eastern rim of the Albertine Rift , a western arm of the Great Rift Valley , on the watershed between Africa 's two largest river systems : the Nile and the Congo . Much of the country 's 26 , 338 km2 is impressively mountainous , the highest peak being Karisimbi ( 4 , 507 m ) in the volcanic Virunga chain protected by the Volcanoes National Park . The largest body of water is Lake Kivu , but there are other numerous lakes around the country , notably Burera , Ruhondo , Muhazi and , some of which have erratic shapes following the contours of the steep mountains that enclose them .
A combination of tropical location and high altitude ensures that most of Rwanda has a temperate year - round climate , Temperatures rarely stray above 30 degrees Celsius by day or below 15 degrees Celsius at night throughout the year . The exceptions are the chilly upper slopes of the Virunga Mountains , and the hot low - lying Tanzania border area protected in Akagera National Park . Throughout the country , seasonal variations in temperature are relatively insignificant . Most parts of the country receive in excess of 1 , 000 mm of precipitation annually , with the driest months being July to September and the wettest February to May .
Primarily a subsistence agriculture economy , Rwanda nonetheless produces for export some of the finest tea and coffee in the world . Other industries include sugar , fishing and flowers for export . For more information about Rwanda 's economy and investment opportunities available in Rwanda .
Rwanda 's unit of currency is the Rwandan franc ( RFr ) , which is sometimes also abbreviated to ‘Frw’ . It 's best to come to Rwanda with US dollars or Euros in cash . The only useful bank branch in the country is Banque de Kigali in the capital , which offers cash advances on credit card and can change traveler 's cheques , neither of which is possible in the provinces . There are ATMs in Kigali , but they are not yet wired to an international network . Credit cards can be used in some up market hotels and restaurants in Kigali . Bureau de change - which are mostly in Kigali - offer slightly better exchange rates than banks . Money changers hang around central Kigali and usually give a slightly better rate , but count your money carefully . All banks , and most bureau de change , are closed on Saturday afternoon and Sunday .