Sierra Leone climate

World Climates covers 4 places in Sierra Leone. By annual mean temperature, the warmest is Bo (26 °C80 °F) and the coolest is Koidu (26 °C78 °F). The wettest is Freetown with 2,570 mm101 in of precipitation per year, the driest Kenema with 1,933 mm76 in.

The most common climate types (Köppen classification computed from these averages) are tropical savanna (dry winter) (Aw, 3 places) and tropical monsoon (Am, 1 place).

The highest monthly average high is in Koidu (35 °C95 °F in March); the lowest monthly average low is in Koidu (18 °C64 °F in January).

Across the places in Sierra Leone, the months that most often rank as the most comfortable are January, November and December (1, 3 and 4 of 4 places respectively).

Frequently asked questions

Which is the warmest place in Sierra Leone?

By annual mean temperature, the warmest place in Sierra Leone is Bo at 26 °C80 °F. The coolest is Koidu at 26 °C78 °F.

Where does it rain the most in Sierra Leone?

Freetown gets the most precipitation, 2,570 mm101 in in an average year. The driest place is Kenema with 1,933 mm76 in.

How many places in Sierra Leone does this site cover?

World Climates has climate data for 4 places in Sierra Leone. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Sierra Leone?

It depends on the place. Across Sierra Leone, the months that most often rank as the most comfortable are January, November and December. Check the page of each city for its own best months.