Climate & Weather Guide in Gabon

Climate zones, seasonal temperatures, rainfall patterns, and best travel times

Gabon has a hot, humid tropical climate with small temperature variation through the year, but rainfall patterns differ strongly by region and season. Most of the country is classified as tropical rainforest climate (Köppen Af), while parts of the interior and south have tropical monsoon or wetter dry-season patterns that still remain very humid. Coastal areas are especially rainy, with a short relative dry season from June to August, while inland zones are slightly less wet and can feel a bit cooler at night. For residents and expats, the climate means lush scenery, high humidity, and year-round warmth, but also frequent rain, cloud cover, and limited seasonal comfort compared with temperate countries.

Summer Average

25-31°C

Winter Average

23-27°C

Climate Types

Tropical rainforest and Tropical monsoon

Annual Rainfall

1250-3800 mm

Sunshine Hours

1,600-2,200 hrs/yr

Average Humidity

80-90%

Regional Climate Variations

North Coast and Libreville Area

This coastal zone is among the wettest and most humid parts of Gabon, with hot conditions moderated slightly by the Atlantic Ocean. Libreville and the northern coast receive very heavy rainfall, often above 2,500 mm per year and in some areas far more, while temperatures usually stay warm day and night. The main dry spell is from June to August, but even then humidity remains high and the air can feel sticky. For residents, this region offers coastal breezes, lush vegetation, and a consistently tropical feel, though mold, heavy downpours, and drainage issues are common.

Summer:27-31°C

Winter:23-27°C

Very high rainfall

Hot, ocean-influenced, and very humid, with frequent rain and only a short, less-rainy season.

Central Interior and Forest Belt

The central interior is still fully tropical but generally a little less extreme than the coast, with warm temperatures, dense forest cover, and abundant rainfall. Rain is high for most of the year, typically around 1,500 to 2,000 mm in many inland areas, although local variation is significant. Compared with the coast, nights can feel slightly cooler and the air a little less oppressive, especially away from large rivers and low-lying wetlands. This is one of the most comfortable areas for people who like tropical greenery but want marginally less coastal humidity.

Summer:25-30°C

Winter:22-26°C

High rainfall

Warm, forested, and persistently humid, with heavy rain but slightly less coastal intensity.

Southern and Southeastern Plateau

The southern and southeastern parts of Gabon have a tropical climate with a somewhat clearer dry season and slightly less rainfall than the wettest coastal belt. Temperatures remain warm all year, but the climate can feel a bit more comfortable during the June to August dry period, when rain drops noticeably. These areas still support dense vegetation and high humidity, but the seasonal rhythm is more apparent than in the equatorial core. For expats, this region may feel more manageable because of its somewhat lower rainfall and less saturated atmosphere.

Summer:24-29°C

Winter:21-25°C

High rainfall

Warm year-round, still humid, but with a more noticeable dry season and slightly better comfort.

Gabon is a compact but climatically intense tropical country, so a small number of zones best captures its residential climate reality. The main trade-off for residents is between extremely lush scenery and consistently high humidity, heavy rain, and limited seasonal cooling, with the coast being the wettest and the interior slightly more manageable.

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