Mayumba, in Nyanga, Gabon, is home to roughly 6,300 people in the Africa/Libreville time zone at 3.4°S latitude.
In 2025, Mayumba recorded an average annual temperature of 77°F. The hottest temperatures reached 88°F in February; the coolest were 62°F in August. Total precipitation for the year was 104 inches, with the wettest month being November.
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