Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
591km²
Area
220km
Coastline
608m
Highest point
Mount Yuzuruha
157,000
People
27°C
Warmest sea
August
487km
To the mainland
When to go to Awaji Island
Best for the beach from July to October.
The sea is warmest in August (27 °C) and coolest in February (14 °C). Comfortable swimming (21 °C or more): from June to October.
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.
Seto Inland Sea Island
Awaji Island is an island in Japan. It covers 591 km², with 220 km of coastline. Its highest point, Mount Yuzuruha, rises to 608 m. About 157,000 people live on it. The nearest mainland is 487 km away.
Getting there
- Tokushima Awaodori Airport / JMSDF Tokushima Air Base (TKS)nearest airport with scheduled flights · 35 km in a straight lineCar hire at KIX airport (Osaka)Discover Cars · Affiliate link↗
- FerriesFuke-Sumoto Liner, Awaji Jenova Line
- 487 km from the mainlanddistance to the nearest continental coast
- From July to Octoberbest 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 Awaji Island.
- 10beaches
- 33viewpointsKakurai kiln, Oishi Cape Observation Deck and 31 more
- 10lighthouses
- 4ferry terminalsSumoto Port Pier, Iwaya and 2 more
- 10marinas
- 25named peaksMt. Yuzuruha, Mt. Kamaguchi, Mt. Sen and 22 more
- 3waterfalls
- 2castles and fortsThe Matsuho Battery of the Tokushima-han
- 3ruins and archaeological sitesGossa-Kaito ruins
- 3campsites
- 22hotels, guesthouses and apartments
- 110restaurants, 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 126 m above the sea. 78 % of it is below 200 m.
- 31 %0–50 m
- 46 %50–200 m
- 22 %200–500 m
- <1 %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
- Minamiawaji45,489 people
- Awaji42,597 people
- Sumoto42,094 people
- Fukura18,721 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 9 | 10 | 13 | 18 | 22 | 25 | 28 | 30 | 27 | 22 | 17 | 11 |
| Night low (°C) | 4 | 4 | 6 | 11 | 15 | 19 | 24 | 25 | 22 | 17 | 12 | 7 |
| Sea (°C) | 15 | 14 | 14 | 15 | 18 | 21 | 25 | 27 | 26 | 23 | 20 | 17 |
| Rain (mm) | 56 | 71 | 101 | 112 | 138 | 190 | 204 | 148 | 194 | 159 | 80 | 72 |
| Wet days | 8 | 8 | 11 | 11 | 11 | 15 | 15 | 14 | 14 | 11 | 8 | 8 |
| Sun h/day | 3.8 | 4.3 | 5.3 | 6.0 | 6.2 | 4.8 | 5.3 | 6.6 | 5.1 | 4.7 | 4.4 | 3.8 |
| Wind (km/h) | 18 | 18 | 17 | 15 | 12 | 10 | 11 | 11 | 13 | 15 | 15 | 18 |
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 | −1.0 | −1.7 | −1.9 | −1.5 | −0.5 | +0.3 | −0.4 | +0.7 | +1.3 | +0.4 | +0.3 | −0.2 |
| 2021 | −1.6 | −2.4 | −2.4 | −1.0 | −0.3 | +1.0 | +0.8 | +0.9 | +0.1 | +0.4 | −0.2 | −1.0 |
| 2022 | −2.8 | −3.5 | −2.5 | −0.6 | ±0.0 | +0.2 | +1.0 | +1.5 | +1.2 | +0.4 | +0.2 | −0.4 |
| 2023 | −2.4 | −2.5 | −1.1 | −0.5 | +0.1 | −0.3 | +0.4 | +0.7 | +1.3 | +0.5 | +0.5 | −0.8 |
| 2024 | −2.2 | −2.8 | −2.9 | −0.9 | −0.4 | −0.2 | +1.4 | +1.4 | +2.0 | +1.4 | +1.0 | −0.8 |
| 2025 | −2.8 | −4.0 | −3.0 | −1.8 | −0.5 | +0.5 | +2.0 | +1.5 | +1.7 | +1.3 | +0.5 | −0.4 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Kansai International Airport
Shōdo Island
Shikoku
Naoshima
Ōkunoshima
Chubu Centrair International Airport
ŌsakikamijimaAbout these numbers
| Names, area, population | Wikidata (Q504373) · 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.
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.



