Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
29.0km²
Area
39km
Coastline
231m
Highest point
Mount Urabu
1,491
People
29°C
Warmest sea
July
347km
To the mainland
When to go to Yonaguni
Best for the beach from April to August.
The sea is warmest in July (29 °C) and coolest in February (24 °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 Yaeyama Islands, Okinawa, Japan
Yonaguni is an island in Japan. It covers 29.0 km², with 39 km of coastline. Its highest point, Mount Urabu, rises to 231 m. About 1,491 people live on it. The nearest mainland is 347 km away.
Getting there
- Yonaguni Airport (OGN)airport on the island, with scheduled flightsCar hire at ISG airport (Ishigaki)Discover Cars · Affiliate link↗
- 347 km from the mainlanddistance to the nearest continental coast
- From April to Augustbest 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 Yonaguni.
- 12beachesDannu Beach, Nanta Beach, Kataburu Beach and 9 more
- 9viewpoints
- 2lighthousesIrizaki Ligthhouse, Agarizaki Lighthouse
- 4named peaksMt. Urabu, Mt. Kubura, Mt. Inbi and 1 more
- 2ruins and archaeological sitesJinmen-iwa
- 6hotels, 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 51 m above the sea. 100 % of it is below 200 m.
- 60 %0–50 m
- 40 %50–200 m
- <1 %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.
5 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Yonakuni1,684 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 21 | 22 | 22 | 24 | 27 | 28 | 29 | 29 | 29 | 27 | 25 | 22 |
| Night low (°C) | 19 | 20 | 21 | 23 | 26 | 28 | 29 | 29 | 28 | 26 | 24 | 21 |
| Sea (°C) | 24 | 24 | 24 | 25 | 27 | 28 | 29 | 29 | 28 | 27 | 26 | 25 |
| Rain (mm) | 58 | 47 | 75 | 104 | 181 | 206 | 143 | 214 | 206 | 99 | 92 | 65 |
| Wet days | 16 | 14 | 17 | 17 | 20 | 22 | 20 | 22 | 19 | 16 | 17 | 16 |
| Sun h/day | 1.6 | 2.3 | 2.8 | 3.8 | 5.3 | 6.9 | 8.8 | 7.6 | 6.4 | 5.0 | 3.0 | 1.8 |
| Wind (km/h) | 29 | 28 | 26 | 24 | 21 | 24 | 24 | 22 | 25 | 29 | 28 | 30 |
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 | +0.9 | +0.2 | +0.1 | −0.2 | +1.2 | +0.5 | +0.7 | +0.7 | +0.8 | +0.4 | −0.5 |
| 2021 | −0.7 | +0.2 | +0.7 | +0.4 | +1.2 | +1.4 | +0.3 | ±0.0 | +0.9 | +0.8 | +0.5 | +1.1 |
| 2022 | +0.7 | +0.6 | +0.6 | +0.4 | +0.6 | +0.8 | +0.8 | +1.3 | +0.4 | +0.3 | +0.7 | +1.0 |
| 2023 | +0.8 | +0.4 | +0.4 | +0.4 | −0.3 | −0.2 | +0.4 | +0.4 | +0.1 | +0.4 | +0.7 | +0.6 |
| 2024 | +1.3 | +0.8 | −0.2 | +1.8 | +1.2 | +1.2 | +1.3 | +1.2 | +1.5 | +1.2 | +0.8 | +0.9 |
| 2025 | ±0.0 | −0.3 | +0.2 | +0.3 | +0.9 | +0.6 | ±0.0 | +0.3 | +1.1 | +1.5 | +1.0 | +1.2 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Iriomote Island
Japan290 km²470 m84 km away
Ishigaki IslandJapan223 km²529 m122 km away
Taiwan Island
Taiwan35,883 km²3,952 m216 km away
Taketomi IslandJapan5.4 km²21 m112 km away
Tarama IslandJapan20 km²33 m175 km away
Miyako IslandJapan159 km²115 m238 km away
Green IslandTaiwan15 km²86 m251 km away
Orchid IslandTaiwan46 km²185 m306 km awayAbout these numbers
| Names, area, population | Wikidata (Q220701) · 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 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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