Tiwai Island
Tiwai Island is a protected area and Tentative World Heritage Site located in the Southern Province of Sierra Leone. Established in 1987, the area covers 12 square kilometers. It is one of the most looked-up sights in the country on English Wikipedia.
Planning a visit
January and February have the lowest rainfall, with rain on about 1 to 3 days and daily highs of 32 °C to 33 °C. Rainfall increases significantly from May to October, with rain on 23 to 30 days per month and daily highs between 27 °C and 30 °C.
The nearest airport is Spriggs Payne Airport in Monrovia, Liberia, located 154 kilometers away, while Roberts International Airport is 182 kilometers away. The site is 233 kilometers from Freetown. Gola Rainforest National Park is nearby at a distance of 40.2 kilometers.
Weather by month
The warmest month is February, with an average high of 33 °C. The wettest is August, with about 473 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 32 | 33 | 33 | 31 | 30 | 29 | 28 | 27 | 28 | 29 | 29 | 30 |
| Average low, °C | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Rainfall, mm | 14 | 29 | 66 | 186 | 321 | 406 | 420 | 473 | 396 | 355 | 127 | 25 |
| Rainy days | 1 | 3 | 7 | 14 | 23 | 27 | 30 | 31 | 28 | 28 | 12 | 3 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
