Sierra Leone in August: Weather, Crowds & What to Expect

Season
Low Season
Temperature
24-29°C (75-84°F)
Crowds
Low
Prices
Low
August remains in the heart of the rainy season with high humidity and frequent heavy showers. Some rural services and road connections can be unreliable; plan for slower travel. Coastal areas may have periods of calm between storms.

Climate Map for August

Sierra Leone average temperature in August
-30°-20°-10° 10°20°30°40°

Average temperature across Sierra Leone in August.

City Weather in August

City High Low Rain UV Feels
Freetown 29° 23° 799 mm very high Warm
Bo, Sierra Leone 29° 21° 476 mm very high Warm
Kenema 29° 20° 498 mm very high Warm
Koidu 29° 19° 399 mm very high Warm
Makeni 29° 21° 625 mm very high Warm
Waterloo, Sierra Leone 28° 22° 745 mm very high Warm
Lunsar 28° 22° 601 mm very high Warm

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Freetown Peninsula & Western Area (Freetown, Lungi, Cotton Tree)

August usually carries the heaviest rainfall of the year on the Freetown Peninsula, and historic events show the city’s susceptibility to severe floods and landslides during peak storms. Expect frequent, intense downpours, muddy trails, and interruptions to minibuses and ferries - serious trekking is not advisable. If you must travel, keep aware of local warnings and prefer sturdy, elevated accommodation in the city center rather than hillside settlements.

Coastal Lowlands & Islands (Lumley, Banana Island, Bonthe, Turtle Islands)

August often delivers the season’s peak rainfall and erosion along exposed beaches is noticeable after heavy surf; small island settlements see their busiest maintenance season as structures are repaired. Swimming is risky when surf is high, and planned wildlife boat trips may be cancelled, though rivers around Bonthe swell and become dramatic. Travelers should keep flexible schedules and prioritize safety - ask local skippers about sea conditions before setting out.

Southern Rainforest & Lowlands (Bo, Bonthe, Tiwai Island, Gbangbatoke)

August remains wet and humid in the south; tides and river levels are high and forest camps need to be chosen for dry-season safety. Boat safaris can be spectacular with swollen rivers but be prepared for limited road access and frequent wet-weather gear requirements. Photographers will find dramatic, green landscapes and powerful waterfalls, while accommodation options are more limited and sometimes closing for maintenance.

Eastern Highlands & Kono (Mount Bintumani, Koidu, Gola Hills)

August remains in the wet, with occasional clear windows between heavy showers; high-elevation fog can be a persistent feature that muffles views from summits. Travel to Koidu and into mining areas may be slow due to washouts on dirt roads, so schedule extra days and use local drivers. The reward is near-empty trails and excellent opportunities to see rare forest birds and butterflies if you can tolerate the damp conditions.

Northern Plains & Savanna (Makeni, Port Loko hinterland, Karene)

August is often wet and warm in the plains with frequent thunder and downpours that rejuvenate the agricultural landscape but make unpaved roads challenging. Flooding is less dramatic than on the coast, yet localized washouts can interrupt routes; plan conservative travel schedules. The rains bring fewer tourists and offer good value for visiting community-run guesthouses, but services in remote areas may be reduced.

Events & Festivals in August

There are no major festivals or events in Sierra Leone during August to be aware of.