Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
206km²
Area
108km
Coastline
790m
Highest point
40,000
People
30°C
Warmest sea
March
327km
To the mainland
When to go to Mohéli
Best for the beach from June to October.
The sea is warmest in March (30 °C) and coolest in August (26 °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.
Autonomous island that forms part of the Union of the Comoros
Mohéli is an volcanic island in Comoros. It belongs to Comoros Islands. It covers 206 km², with 108 km of coastline. Its highest point rises to 790 m. About 40,000 people live on it. The nearest mainland is 327 km away.
Getting there
- Ouani Airport (AJN)nearest airport with scheduled flights · 78 km in a straight line
- FerriesMohéli - Grande Comore, Mohéli - Grande Comore (Vedette)
- 327 km from the mainlanddistance to the nearest continental coast
- From June to Octoberbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
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On the island
What you find on Mohéli.
- 34beachesSambadjou and 33 more
- 1viewpoints
- 1ferry terminalsHoani
- 1waterfallscascade
- 8hotels, guesthouses and apartments
- 6restaurants, 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.
Cross-checked with our atlases
Mohéli in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Mohéli, each with its own numbers.
26mountainsPeakyas
1lakeLakeyas
1waterfallCascadyas
Largest lake
0.13km²
Dziani Boundouni
according to Lakeyas
Warmest lake
30.6°C
Dziani Boundouni
surface water, warmest month · according to Lakeyas
26 mountains
on Peakyas, the mountain atlas
- Hamada Ali
- Tsinavouni
- Moutrou
- Boundouni
- Kadoni
- Habomo
- Hataouala
- Ouanaziboundouni
18 more on PeakyasOpen Peakyas ↗
1 lakes
on Lakeyas, the lake atlas
- Dziani Boundouni0.13km²
Lakeyas is coming soonOpen Lakeyas ↗
1 waterfalls
on Cascadyas, the waterfall atlas
- Cascade Souloulouni
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 212 m above the sea. 55 % of it is below 200 m.
- 16 %0–50 m
- 38 %50–200 m
- 37 %200–500 m
- 8 %500–1,000 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.
20 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Fomboni17,291 people
- Nioumachoua2,687 people
- Djoyézi2,096 people
- Ouanani1,917 people
- Ziroudani1,197 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 28 | 28 | 29 | 28 | 28 | 27 | 26 | 25 | 26 | 26 | 28 | 28 |
| Night low (°C) | 28 | 28 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 |
| Sea (°C) | 29 | 29 | 30 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 29 |
| Rain (mm) | 221 | 156 | 140 | 99 | 45 | 30 | 25 | 17 | 14 | 24 | 42 | 96 |
| Wet days | 26 | 22 | 24 | 19 | 10 | 8 | 8 | 5 | 4 | 5 | 9 | 18 |
| Sun h/day | 6.7 | 7.0 | 7.7 | 8.3 | 8.5 | 8.4 | 8.4 | 9.3 | 9.7 | 9.8 | 9.9 | 8.7 |
| Wind (km/h) | 17 | 15 | 13 | 15 | 20 | 22 | 21 | 16 | 13 | 13 | 13 | 12 |
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 | +0.1 | +1.0 | +0.6 | +0.3 | +0.3 | +0.2 | ±0.0 | ±0.0 | −0.1 | +0.4 | −0.1 | +0.5 |
| 2021 | +0.5 | +0.6 | +0.3 | ±0.0 | −0.2 | −0.2 | ±0.0 | +0.2 | +0.1 | −0.3 | +0.2 | +0.1 |
| 2022 | +0.5 | ±0.0 | −0.2 | +0.1 | −0.2 | −0.2 | −0.1 | ±0.0 | −0.2 | ±0.0 | −0.4 | ±0.0 |
| 2023 | ±0.0 | ±0.0 | −0.3 | +0.4 | +0.2 | +0.5 | +0.5 | +0.7 | +0.7 | +0.6 | +0.9 | +0.8 |
| 2024 | +0.7 | +1.0 | +0.8 | +0.9 | +0.5 | +0.7 | +1.0 | +1.2 | +1.1 | +0.7 | +0.9 | +0.6 |
| 2025 | +0.3 | +0.3 | +0.2 | +0.7 | +0.8 | +0.4 | +0.5 | +0.2 | +0.5 | +0.5 | +0.8 | +0.7 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.


About these numbers
| Names, area, population | Wikidata (Q271797) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| 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 |
| Beaches, mountains, lakes and waterfalls | Peakyas, Lakeyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · CC BY 4.0 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.



