With a population of around 62,200, Nioki sits in Mai-Ndombe, DR Congo. The city operates in the Africa/Kinshasa time zone.
In 2025, Nioki recorded an average annual temperature of 78°F. The hottest temperatures reached 94°F in February; the coolest were 66°F in August. Total precipitation for the year was 50 inches, with the wettest month being November.
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