Indonesia
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
30,812km²
Area
335km
Coastline
measured on a simplified outline
147m
Highest point
30,000
People
30°C
Warmest sea
May
464km
To the mainland
When to go to Siberut Island
Best for the beach from January to May.
The sea is warmest in May (30 °C) and coolest in November (29 °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.
Island in Mentawai Islands Regency, West Sumatra Province, Indonesia
Siberut Island is an island in Indonesia. It belongs to Kepulauan Mentawai. It covers 30,812 km², with 335 km of coastline. Its highest point rises to 147 m. About 30,000 people live on it. The nearest mainland is 464 km away.
Getting there
- Minangkabau International Airport (PDG)nearest airport with scheduled flights · 164 km in a straight lineCar hire at CGK airport (Jakarta)Discover Cars · Affiliate link↗
- FerriesPei Pei - Simalepet, Simalepet - Muara Saibi, Sikabaluan - Labuan Bajau, Tuapejat - Pei Pei
- 464 km from the mainlanddistance to the nearest continental coast
- From January to Maybest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Siberut Island.
- 1viewpointsBukit pabokoat
- 5ferry terminalsDermaga Ambu_ambu, Sikabaluan and 3 more
- 45named peaksLagilagi, Taitaikabilau, Gunung Taitaigirisit and 42 more
- 2campsitesJembatan Penyeberangan, Camp istirahat
- 11hotels, guesthouses and apartments
- 5restaurants, cafés and bars
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
The shape of the land.
On average the island stands 76 m above the sea. 97 % of it is below 200 m.
- 39 %0–50 m
- 58 %50–200 m
- 3 %200–500 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).
Size, for real
Next to islands you may know.
200 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Sikabaluanno census figure
- Muara Siberutno census figure
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 | 29 | 28 | 28 | 28 | 28 | 28 | 28 |
| Night low (°C) | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 |
| Sea (°C) | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 |
| Rain (mm) | 273 | 253 | 287 | 283 | 217 | 221 | 225 | 245 | 299 | 356 | 417 | 353 |
| Wet days | 27 | 23 | 28 | 28 | 24 | 22 | 24 | 26 | 26 | 27 | 28 | 28 |
| Sun h/day | 5.3 | 5.6 | 5.5 | 5.1 | 6.1 | 6.1 | 5.5 | 5.1 | 4.7 | 4.1 | 4.0 | 4.6 |
| Wind (km/h) | 12 | 12 | 12 | 10 | 10 | 11 | 11 | 13 | 14 | 13 | 13 | 13 |
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 | +0.9 | +0.7 | +1.0 | +0.6 | −0.2 | +0.1 | +0.7 | +0.7 | +0.7 | +0.7 | +0.9 | +0.4 |
| 2021 | ±0.0 | −0.1 | ±0.0 | +0.2 | +0.5 | +0.1 | +0.3 | ±0.0 | +0.4 | +0.8 | +0.3 | +0.2 |
| 2022 | +0.6 | −0.2 | +0.1 | +0.7 | +0.3 | −0.1 | +0.1 | +0.4 | +0.1 | −0.2 | −0.3 | −0.6 |
| 2023 | −0.6 | −0.9 | −0.2 | +0.2 | +0.1 | +0.2 | +0.2 | +0.3 | −0.2 | −1.4 | −1.0 | −0.5 |
| 2024 | +0.4 | +0.6 | +0.2 | +0.8 | +0.5 | +0.8 | +0.8 | +0.3 | +0.8 | +1.0 | +1.3 | +0.5 |
| 2025 | +0.3 | ±0.0 | −0.3 | −0.1 | −0.1 | +0.3 | +0.5 | +0.5 | +0.5 | +0.9 | +0.4 | +0.3 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q826041) · 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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