Sierra LeoneIn numbers
171m
Highest point
842
People
29°C
Warmest sea
November
8km
To the mainland
When to go to Dublin, Banana Islands
Best for the beach from December to April.
The sea is warmest in November (29 °C) and coolest in August (27 °C). You can swim comfortably all year (21 °C or more).
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Place in Western Area, Sierra Leone
Dublin, Banana Islands is an island in Sierra Leone. Its highest point rises to 171 m. About 842 people live on it. The nearest mainland is 8 km away.
Getting there
- Lungi International Airport (FNA)nearest airport with scheduled flights · 56 km in a straight line
- 8 km from the mainlanddistance to the nearest continental coast
- From December to Aprilbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
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The shape of the land.
On average the island stands 50 m above the sea. 100 % of it is below 200 m.
- 62 %0–50 m
- 38 %50–200 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 27 | 27 | 28 | 28 |
| Night low (°C) | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 |
| Sea (°C) | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 28 |
| Rain (mm) | 2 | 2 | 5 | 29 | 136 | 397 | 592 | 612 | 419 | 210 | 66 | 6 |
| Wet days | 0 | 0 | 1 | 6 | 17 | 26 | 28 | 30 | 28 | 24 | 8 | 1 |
| Sun h/day | 7.5 | 7.8 | 7.8 | 7.6 | 6.4 | 4.6 | 3.2 | 2.8 | 4.7 | 6.2 | 6.5 | 7.2 |
| Wind (km/h) | 8 | 9 | 10 | 9 | 9 | 11 | 14 | 14 | 12 | 9 | 7 | 7 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | +0.8 | +1.4 | +1.7 | +1.6 | +1.1 | +0.8 | +0.7 | ±0.0 | +0.2 | +0.4 | +0.5 | +0.3 |
| 2021 | +0.6 | +0.9 | +0.5 | +0.6 | +0.4 | ±0.0 | +0.2 | +0.2 | +0.6 | +0.6 | +0.6 | +1.0 |
| 2022 | +1.3 | +0.6 | +0.2 | +0.2 | +0.7 | +0.5 | +0.6 | +0.3 | +0.4 | +0.2 | +0.4 | +0.4 |
| 2023 | +0.6 | +0.3 | +0.2 | +0.9 | +1.3 | +0.7 | +1.1 | +1.1 | +0.9 | +0.8 | +0.7 | +0.6 |
| 2024 | +1.5 | +1.6 | +1.3 | +0.9 | +1.4 | +1.1 | +0.8 | +0.4 | +0.2 | +0.4 | +0.7 | +0.6 |
| 2025 | +0.9 | +0.7 | +0.2 | +0.6 | +0.5 | +0.6 | +0.2 | ±0.0 | +0.4 | +0.6 | +0.2 | +0.1 |
+1 warmer than usual −1 cooler than usual
Guinea
LiberiaAbout these numbers
| Names, area, population | Wikidata (Q17018660) · CC0 |
|---|---|
| Outline | Natural Earth · public domain |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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