Country

Gabon

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.

Current Climate Climatology

This page presents Gabon's climate context for the current climatology, 1991-2020, derived from observed, historical data. Information should be used to build a strong understanding of current climate conditions in order to appreciate future climate scenarios and projected change. You can visualize data for the current climatology through spatial variation, the seasonal cycle, or as a time series. Analysis is available for both annual and seasonal data. Data presentation defaults to national-scale aggregation, however sub-national data aggregations can be accessed by clicking within a country, on a sub-national unit.  Other historical climatologies can be selected from the Time Period dropdown list. Data for  specific coordinates can be downloaded for in the Data Download page.

Observed, historical data is produced by the Climatic Research Unit (CRU) of University of East Anglia. Data is presented at a 0.5º x 0.5º (50km x 50km) resolution.

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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 1000 m. 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, typically ranging from 1500 mm to 3500 mm per year. The country has a single wet season between October and May, with a mean monthly rainfall of 200‐250 mm. Temperatures are high and remain relatively constant throughout the year, averaging 25-27°C in coastal lowlands and 22‐25°C inland. January to April is typically the hottest season.

Temperature

  • 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.

Precipitation

  • 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.

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