Explore historical and projected climate data, climate data by sector, impacts, key vulnerabilities and what adaptation measures are being taken. Explore the overview for a general context of how climate change is affecting Gabon.

Climate Data Historical

Gabon is largely composed of plateaus and hills, covering 3/4 of the area of ​​the country, with the highest mountain reaching 1000m. Gabon has an extremely dense hydrological network that feeds two rivers: Ogooué and Nyanga, as well as high basins of small northern coastal rivers. The country has a moist, hot climate of typically tropical regions.  Precipitation is abundant and spread almost throughout the year. Temperatures are high and remain relatively constant throughout the year. January to April is typically the hottest season.


  • Gabon experiences high average temperatures year-round of 25-27°C in coastal lowlands and 2225°C inland.
  • The country has experienced some of its highest temperatures along the coast and in the capital city of Libreville.
  • Gabon has experienced a general warming trend with mean annual temperature increasing 0.6ºC since 1960. 


  • Gabon receives an abundance of rainfall, typically ranging from 1500mm to 3500mm per year.
  • The country has a single wet season between October and May, with a mean monthly rainfall of 200250mm.
  • Mean annual rainfall in Gabon has dropped at an average rate of 3.8 mm monthly (2.6 %) per decade since 1960.

This section provides the options to visualize historical climate data for different timeframes via map and annual cycle chart.


Click on map to change chart data from country aggregated to site-specific data.