Climate of Liberia: Tropical, Wet-Dry Seasons, High Humidity

Liberia has a tropical monsoon climate (Am) — hot, humid, with distinct wet and dry seasons driven by the Intertropical Convergence Zone (ITCZ).

Dry Season (November – April)

• Temp: 25–30°C (77–86°F); lower humidity.
• Harmattan: Dec–Feb; dry, dusty NE wind from Sahara; haze, cooler mornings.
• Rain: Minimal; occasional showers.

Rainy Season (May – October)

• Peak: June–July & September–October (bimodal).
• Rainfall: 1,500–2,500 mm (60–100 in) annually; coast wettest.
• Storms: Intense thunderstorms, high humidity (80–95%), oppressive feel.
• Temp: 24–29°C (75–84°F); less diurnal variation.

Regional Variation

• Coast (Monrovia): Wettest, moderated by ocean.
• Interior/North: Drier, hotter days, cooler nights; savanna transition.

Climate Change Impacts

• Increased rainfall intensity, flooding, coastal erosion, shifting seasons.
• Threatens agriculture (rice, rubber, cocoa, oil palm).

Liberia's climate shapes its rainforest ecology, agriculture, and daily life — no winter, just wetter and less wet.