Sierra Leone Climate

The climate is tropical; although it could be classified as a tropical monsoon climate, it could also be describe as a climate that is transitional between a continually wet tropical rainforest climate and a tropical savanna climate.

There are two seasons determining the agricultural cycle: the rainy season from May to November, and a dry season from December to May, which includes harmattan, when cool, dry winds blow in off the Sahara Desert and the night-time temperature can be as low as 16 °C (60.8 °F). The average temperature is 26 °C (78.8 °F) and varies from around 26 °C (78.8 °F) to 36 °C (96.8 °F) during the year.

Average rainfall is highest at the coast, 3000–5000 mm per year; moving inland this decreases and at the eastern border of the country, the average rainfall is 2000-2500mm.

Rainfall from 1901-2015

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