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Japan JapanJapanese archipelagoIsland

Hokkaidō

77,984 km² rising to 2,291 m out of the Sea of Japan.

When to go

Hokkaidō seen from space, cut out from the sea (Sentinel-2)
SapporoAsahikawaHakodateTomakomaiKushiroObihiroKitami
N 100 km

Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

77,984km²

Area

2,227km

Coastline

measured on a simplified outline

2,291m

Highest point

Asahi-dake

5,383,579

People

19°C

Warmest sea

August

152km

To the mainland

When to go to Hokkaidō

Best to visit in August.

The sea is warmest in August (19 °C) and coolest in February (3 °C). The water never reaches 21 °C: bring a wetsuit.

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

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 of Japan

Hokkaidō is an island in Japan. It belongs to Japanese archipelago. It covers 77,984 km², with 2,227 km of coastline. Its highest point, Asahi-dake, rises to 2,291 m. About 5,383,579 people live on it. The nearest mainland is 152 km away.

Read more on Wikipedia

Getting there

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 Hokkaidō.

This island is too large to count beaches and viewpoints in a meaningful way.

Cross-checked with our atlases

Hokkaidō in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Hokkaidō, each with its own numbers.

  • 17beaches and covesCoastya
  • 40lakesLakeyas
  • 21waterfallsCascadyas
  • Tallest waterfall

    270m

    Hagoromo Falls

    according to Cascadyas

  • Largest lake

    78.5km²

    Lake Kussharo

    118 m deep · according to Lakeyas

  • Deepest lake

    212m

    Lake Mashū

    according to Lakeyas

  • Warmest lake

    25.6°C

    Miyajima-numa

    surface water, warmest month · according to Lakeyas

  • Beach with the warmest sea

    23.7°C

    Orito Kaigan

    sea in the warmest month · according to Coastya

17 beaches

on Coastya, the beach atlas

  1. Ōmori Hama22.5°C
  2. Bentenga Hama17.1°C
  3. Yobito Ura17.2°C
  4. Orito Kaigan23.7°C
  5. Ōanzai Hama22.8°C
  6. Uchigō Hama22.8°C
  7. Hyakunin Hama19.2°C
  8. Chōbushi Hama17.7°C

9 more on CoastyaOpen Coastya ↗

40 lakes

on Lakeyas, the lake atlas

  1. Lake Kussharo118 m deep78.5km²
  2. Lake Shikotsu77.7km²
  3. Lake Tōya70.0km²
  4. Lake Abashiri16 m deep32.1km²
  5. Lake Mashū212 m deep18.7km²
  6. Lake Akan45 m deep12.5km²
  7. Lake Kutcharo8.2km²
  8. Lake Kuttara148 m deep4.4km²

32 more on LakeyasLakeyas is coming soonOpen Lakeyas ↗

21 waterfalls

on Cascadyas, the waterfall atlas

  1. Hagoromo Falls270m
  2. Garō Falls70m
  3. Inkura Falls44m
  4. Shirahige Falls30m
  5. Kamuiwakka Falls
  6. Ashiribetsu Falls
  7. Sakura Falls
  8. 社台滝

13 more on CascadyasCascadyas is coming soonOpen Cascadyas ↗

Size, for real

Next to islands you may know.

Hokkaidō77,984 km²
Cuba106,092 km²
Iceland101,695 km²

500 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Towns on the island

  • Sapporo1,973,832 people
  • Asahikawa333,530 people
  • Hakodate275,730 people
  • Tomakomai174,806 people
  • Kushiro167,875 people
  • Obihiro166,536 people
  • Ebetsu133,953 people
  • Kitami119,135 people
  • Otaru115,333 people
  • Chitose97,950 people
  • Muroran96,197 people
  • Iwamizawa85,107 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)-6-6-161419232319113-4
Night low (°C)-14-14-9-24101415103-4-11
Sea (°C)533581216191915118
Rain (mm)70615652698011915412610710397
Wet days201714111211141415161922
Sun h/day2.93.95.36.16.15.75.35.04.94.02.21.9
Wind (km/h)161717171512111213151616

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020±0.0−0.4+0.1+0.3+0.6+0.7+1.2+0.8+1.5+2.4+1.5+0.7
2021−0.2−0.1−0.7+0.3+0.9+1.3+1.8+1.5+0.5+1.1+1.4+1.2
2022+0.1−0.8+0.1+1.2+1.2+0.8+1.5+1.4+1.2+1.4+1.4+1.6
2023+0.5+0.3+0.9+1.8+2.0+2.1+2.4+3.1+3.3+1.9+2.3+1.3
2024+1.2+0.8−0.4+1.1+1.1+0.7+1.3+1.4+1.3+1.1+0.7+1.0
2025+0.5+1.2+1.2+1.5+2.3+2.0+3.5+3.4+2.3+2.0±0.0+0.3

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

140829 Ichiko of Shiretoko Goko Lakes Hokkaido Japan04s3
663highland · CC BY 2.5
130922 Lake Toya Toyako Hokkaido Japan03s3
663highland · CC BY 2.5
Ansei crater, Hokkaido, Japan (48265164921)
Blondinrikard Fröberg · CC BY 2.0
4 Chome Sakaigawa, Chūō-ku, Sapporo-shi, Hokkaidō 064-0943, Japan - panoramio
Noby_mikasa · CC BY-SA 3.0

About these numbers

Names, area, populationWikidata (Q35581) · CC0
OutlineNatural Earth · public domain
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, Lakeyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; 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.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit