With a population of around 8,800, Mounana sits in Haut-Ogooue, Gabon. The city operates in the Africa/Libreville time zone.
In 2025, Mounana recorded an average annual temperature of 75°F. The hottest temperatures reached 92°F in March; the coolest were 63°F in August. Total precipitation for the year was 112 inches, with the wettest month being November.
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