August · Sierra Leone
Best time to visit Tiwai Island in August Weather, crowds & prices
Weather in Tiwai Island in August
Average temperature 24°C, 519 mm of rain, about 14 days with 6+ hours of sunshine and 93% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
3.6/10
Ranked #11 of 12 months
- Avg temp
- 24°C
- Rainfall
- 519 mm
- Humidity
- 93%
- Days with 6h+ sun
- 14
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
August in Tiwai Island scores 3.6/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 24°C, 519 mm of rain, and roughly 14 days with 6+ hours of sunshine this month.
Tiwai Island is a community-supported wildlife sanctuary on the Moa River, known for forest, rare primates, birds, and guided low-impact visits.
August in Tiwai Island — off-season conditions
August averages 24°C (75°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
519 mm of rain puts this in monsoon territory — about 14 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 3.6/10 here, 11th of 12 months, against 8.1/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? January scores 4.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Tiwai Island in August?
- In August, Tiwai Island averages 24°C, 519 mm of rain, and about 14 days with 6+ hours of sunshine. Its climate-comfort score is 3.6/10.
- Is August a good time to visit Tiwai Island?
- August earns a 3.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Tiwai Island in August?
- Expect about 519 mm of rain in August. Average humidity is 93% and there are about 14 days with 6+ hours of sunshine.
Curated in Tiwai Island
Tickets & experiences
Things to do in Tiwai Island
Tiwai Island, Sierra Leone. Live activities and tours from GetYourGuide, matched to this destination.