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United States United StatesHawaiian IslandsVolcanic island

Hawaii

10,434 km² rising to 4,207 m out of the Pacific Ocean.

When to go

Hawaii seen from space, cut out from the sea (Sentinel-2)
HiloKailua-KonaHawaiian Paradise ParkKalaoaWaimeaWaikoloaHawaiian Ocean View
N 20 km

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

In numbers

10,434km²

Area

461km

Coastline

measured on a simplified outline

4,207m

Highest point

Mauna Kea

198,449

People

27°C

Warmest sea

September

3,846km

To the mainland

When to go to Hawaii

Best for the beach from June to October.

The sea is warmest in September (27 °C) and coolest in March (24 °C). You can swim comfortably all year (21 °C or more).

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.

Largest of the Hawaiian islands

Hawaii is an volcanic island in United States. It belongs to Hawaiian Islands. It covers 10,434 km², with 461 km of coastline. Its highest point, Mauna Kea, rises to 4,207 m. About 198,449 people live on it. The nearest mainland is 3,846 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 Hawaii.

  • 71beachesKe'ei Beach, Hapuna Beach, Lagoon Beach and 68 more
  • 86viewpointsUekahuna, Waldron Ledge, Nāpau Crater Overlook and 83 more
  • 3lighthousesKauhola Point Lighthouse, Ka Lae Lighthouse, Waiākea Light
  • 5marinasWailoa River Small Boat Harbor, Honokōhau Small Boat Harbor and 3 more
  • 400named peaks1949 Cone, 1940 Cone, Pōhakuhanalei and 397 more
  • 23volcanoesMauna Kea, Mauna Loa, Hualālai and 20 more
  • 122waterfallsKahuna Falls, Wai‘alae Falls, Poakana Falls and 119 more
  • 34ruins and archaeological sitesPetroglyphs, Naha Stone, Hilo Coast Railway Flag Pole Base and 31 more
  • 6dive centresKona Honu Divers, Boss Frog's Dive & Surf, Hilo Ocean Adventures and 3 more
  • 7surf spotsHonoli‘i, Elevators, First Bay and 4 more
  • 4waymarked walking routesCrater Rim Trail, Walua Road/Honl's Beach, The Streamside Trail of Waimea and 1 more
  • 25campsitesNāpau Crater Camp Site, Malama Kiholo, Boy Scout Camp Honokaia and 22 more
  • 146hotels, guesthouses and apartments
  • 421restaurants, 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

Hawaii in our other atlases

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

  • 49beaches and covesCoastya
  • 6waterfallsCascadyas
  • Tallest waterfall

    792m

    Waihilau Falls

    according to Cascadyas

  • Beach with the warmest sea

    27.2°C

    Kapahukapu Manini Beach

    sea in the warmest month · according to Coastya

49 beaches

on Coastya, the beach atlas

  1. Magic Sands Beach27.2°C
  2. Punalu‘u Beach26.6°C
  3. Kehena Beach26.5°C
  4. Beans Beach27.2°C
  5. Honokohau Beach27.2°C
  6. Kamakahonu Beach27.2°C
  7. Kapahukapu Manini Beach27.2°C
  8. Bakers Beach26.6°C

41 more on CoastyaOpen Coastya ↗

6 waterfalls

on Cascadyas, the waterfall atlas

  1. Waihilau Falls792m
  2. Hiʻilawe Falls442m
  3. Akaka Falls State Park
  4. Rainbow Falls
  5. Umauma Falls
  6. Poakana Falls

Cascadyas is coming soonOpen Cascadyas ↗

The shape of the land.

On average the island stands 1,179 m above the sea. 15 % of it is below 200 m.

  • 6 %0–50 m
  • 9 %50–200 m
  • 13 %200–500 m
  • 22 %500–1,000 m
  • 31 %1,000–2,000 m
  • 19 %> 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.

Hawaii10,434 km²
Jamaica11,068 km²
Sicily25,615 km²

100 km

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

Towns on the island

  • Hilo43,263 people
  • Kailua-Kona11,975 people
  • Hawaiian Paradise Park11,404 people
  • Kalaoa9,644 people
  • Waimea9,212 people
  • Hōlualoa8,538 people
  • Waikoloa4,806 people
  • Hawaiian Ocean View4,437 people
  • Hawaiian Beaches4,280 people
  • Mountain View3,924 people
  • Kahaluu-Keauhou3,549 people
  • Captain Cook3,429 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)202020212223242423232120
Night low (°C)131313141515161616161514
Sea (°C)252424252526262627272625
Rain (mm)147155224192138106120140119136169171
Wet days131417161617171616161616
Sun h/day7.37.16.77.17.58.18.48.37.67.26.96.7
Wind (km/h)1111111191010109101112

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+0.8+0.5+0.2+0.4+0.4+0.3+0.3+0.4+0.1+0.6+0.8+1.0
2021+0.8+0.5±0.0+0.1+0.1+0.1+0.2±0.0−0.1−0.5+0.1+0.2
2022+0.4+0.5+0.9+0.4+0.1+0.3+0.1+0.1+0.3+0.7+0.5+0.4
2023+0.8+0.3+0.3+0.4+0.3+0.1±0.0−0.1+0.1+0.3+0.5+0.5
2024+0.6+0.1−0.1−0.3−0.1+0.2+0.1+0.2+0.1±0.0±0.0+0.6
2025+0.9+0.8+0.8+0.9+0.7+0.4+0.2+0.2+0.1+0.2+0.4+0.7

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Hawaiʻi Volcanoes National Park (DSC08881)
Trougnouf (Benoit Brummer) · CC BY 4.0
Hawaii beach, Sihanoukville
Dmitry Makeev · CC BY-SA 4.0
Magic Sands (Laaloa Bay) Hawaii Christmas
TripOfALifestyle.com · CC BY-SA 4.0
Volcano atmospheric vog measuring station Hawaii (45553109794)
dronepicr · CC BY 2.0

About these numbers

Names, area, populationWikidata (Q68740) · 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, Cascadyas — 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

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