Kumu River is a river in Riau province, central-eastern Sumatra, Indonesia, about 1,100 km northwest of the capital Jakarta.Rand McNally, The New International Atlas, 1993.Sungai Kumu at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27 It is a tributary of the Rokan River.
Geography The river flows in the central area of Sumatra which has a predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification). The annual average temperature in the area is 23 °C. The warmest month is March, when the average temperature is around 24 °C, and the coldest is January, at 22 °C. The average annual rainfall is 3766 mm. The wettest month is November, with an average of 336 mm rainfall, and the driest is July, with 113 mm rainfall.
See also List of drainage basins of Indonesia List of rivers of Indonesia List of rivers of Sumatra
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