ComorosComoros IslandsVolcanic island
Anjouan
428 km² rising to 1,595 m out of the Mozambique Channel.
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
428km²
Area
146km
Coastline
1,595m
Highest point
240,000
People
29°C
Warmest sea
March
389km
To the mainland
When to go to Anjouan
Best for the beach from June to October.
The sea is warmest in March (29 °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.
Island and administrative unit in the Comoros
Anjouan is an volcanic island in Comoros. It belongs to Comoros Islands. It covers 428 km², with 146 km of coastline. Its highest point rises to 1,595 m. About 240,000 people live on it. The nearest mainland is 389 km away.
Getting there
- Ouani Airport (AJN)airport on the island, with scheduled flights
- Ferries2 ferry terminals on the island
- 389 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 Anjouan.
- 10beachesPlage de Mkijirou Sombe, Plage de Vouani and 8 more
- 1viewpointsMarahaba Sambi
- 2ferry terminalsPort Intérnational Ahmed Abdallah Abderemane, Mutsamudu Port Entrance
- 1named peaksNtringui
- 1waterfalls
- 13hotels, guesthouses and apartments
- 12restaurants, 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
Anjouan in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Anjouan, each with its own numbers.
4beaches and covesCoastya
Beach with the warmest sea
29.5°C
sea in the warmest month · according to Coastya
4 beaches
on Coastya, the beach atlas
- Mtsangani Sima29.4°C
- Chiroroni29.5°C
- Gomajoucove29.5°C
- Bouégnombécove29.5°C
The shape of the land.
On average the island stands 391 m above the sea. 34 % of it is below 200 m.
- 16 %0–50 m
- 18 %50–200 m
- 33 %200–500 m
- 28 %500–1,000 m
- 5 %1,000–2,000 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
- Moutsamoudou26,313 people
- Tsimbeo12,590 people
- Domoni12,262 people
- Mirontsi11,955 people
- Adda-Douéni10,858 people
- Ouani10,073 people
- Sima8,737 people
- Koni-Djodjo8,109 people
- Barakani6,089 people
- Chandra5,645 people
- Mrémani5,470 people
- Mramani5,126 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 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 27 | 28 |
| Night low (°C) | 28 | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 25 | 26 | 26 | 27 |
| Sea (°C) | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 29 |
| Rain (mm) | 222 | 162 | 150 | 119 | 58 | 33 | 27 | 20 | 19 | 36 | 50 | 108 |
| Wet days | 26 | 23 | 25 | 20 | 11 | 9 | 8 | 6 | 6 | 8 | 11 | 19 |
| Sun h/day | 7.3 | 7.5 | 8.1 | 8.5 | 8.7 | 8.7 | 8.9 | 9.3 | 9.4 | 9.6 | 9.8 | 9.0 |
| Wind (km/h) | 18 | 15 | 13 | 14 | 18 | 19 | 19 | 14 | 14 | 15 | 15 | 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 | +0.2 | +0.9 | +0.6 | +0.2 | +0.2 | +0.2 | ±0.0 | −0.1 | −0.1 | +0.5 | ±0.0 | +0.3 |
| 2021 | +0.5 | +0.5 | +0.3 | ±0.0 | −0.2 | −0.1 | +0.1 | +0.1 | +0.1 | −0.3 | +0.1 | +0.1 |
| 2022 | +0.6 | −0.1 | −0.2 | ±0.0 | −0.2 | −0.1 | −0.1 | ±0.0 | −0.3 | −0.2 | −0.7 | −0.1 |
| 2023 | −0.1 | ±0.0 | −0.1 | +0.4 | +0.2 | +0.4 | +0.5 | +0.7 | +0.9 | +0.5 | +1.0 | +0.9 |
| 2024 | +0.7 | +0.9 | +0.8 | +0.9 | +0.5 | +0.7 | +1.0 | +1.1 | +1.1 | +0.8 | +0.7 | +0.3 |
| 2025 | +0.2 | +0.4 | +0.4 | +0.5 | +0.8 | +0.4 | +0.5 | +0.1 | +0.5 | +0.5 | +0.7 | +0.6 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.

About these numbers
| Names, area, population | Wikidata (Q231324) · 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 | Coastya — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
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