About Mounana, Haut Ogooue's Climate & Weather History

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.