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MalaysiaBruneiIndonesia Malaysia / Brunei / IndonesiaMalay ArchipelagoIsland

Borneo

748,168 km² rising to 4,095 m out of the Java Sea.

When to go

Borneo seen from space, cut out from the sea (Sentinel-2)
SamarindaPontianakBanjarmasinKuchingPalangkarayaMiriSingkawang
N 200 km

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

In numbers

748,168km²

Area

7,237km

Coastline

measured on a simplified outline

4,095m

Highest point

Mount Kinabalu

18,590,000

People

30°C

Warmest sea

May

381km

To the mainland

When to go to Borneo

Best for the beach from January to April and in August.

The sea is warmest in May (30 °C) and coolest in February (28 °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.

Third largest island in the world by area, located in south-east Asia

Borneo is an island in Malaysia. It belongs to Malay Archipelago. It covers 748,168 km², with 7,237 km of coastline. Its highest point, Mount Kinabalu, rises to 4,095 m. About 18,590,000 people live on it. The nearest mainland is 381 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 Borneo.

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

Cross-checked with our atlases

Borneo in our other atlases

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

  • 46beaches and covesCoastya
  • 55lakesLakeyas
  • 11waterfallsCascadyas
  • Largest lake

    146km²

    Lake Sentarum

    according to Lakeyas

  • Deepest lake

    500m

    Mamut Mine

    according to Lakeyas

  • Warmest lake

    31.2°C

    Danau Selatai

    surface water, warmest month · according to Lakeyas

  • Beach with the warmest sea

    30.3°C

    Pasir Rugon

    sea in the warmest month · according to Coastya

46 beaches

on Coastya, the beach atlas

  1. Likas Beach30.2°C
  2. Bak Bak Beach30.1°C
  3. Pasir Soniong30.2°C
  4. Pasir Sengki30.2°C
  5. Pasir Pandak30.2°C
  6. Pasir Rugon30.3°C
  7. Damai Beach30.2°C
  8. Pasir Pengirih30.3°C

38 more on CoastyaOpen Coastya ↗

55 lakes

on Lakeyas, the lake atlas

  1. Lake Sentarum146km²
  2. Lake Jempang124km²
  3. Danau Luar120km²
  4. Kenohan Semayang105km²
  5. Danau Raba93.4km²
  6. Danau Melintang88.0km²
  7. Lake Sembuluh86.0km²
  8. Riam Kanan Reservoir48.9km²

47 more on LakeyasLakeyas is coming soonOpen Lakeyas ↗

11 waterfalls

on Cascadyas, the waterfall atlas

  1. Mahua Waterfall
  2. Bajuin Waterfall
  3. Inar Waterfall
  4. Siapat Twin Waterfall
  5. Takob Akob Falls
  6. Penimbungan Waterfall
  7. Perjiwa Waterfall
  8. Ba'Desai waterfall

3 more on CascadyasCascadyas is coming soonOpen Cascadyas ↗

Size, for real

Next to islands you may know.

Borneo748,168 km²
Greenland2,096,050 km²
Madagascar594,251 km²

1,000 km

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

Towns on the island

  • Samarinda865,306 people
  • Pontianak686,019 people
  • Banjarmasin657,663 people
  • Kuching402,738 people
  • Palangkaraya318,247 people
  • Miri300,543 people
  • Banjarbaru293,332 people
  • Singkawang253,812 people
  • Loa Janan212,816 people
  • Sibu198,239 people
  • Bontang194,606 people
  • Sampit166,773 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)282828282828282829292828
Night low (°C)232323232323222222232323
Sea (°C)282829303030292929292929
Rain (mm)318304348347253179134103133245325367
Wet days262327272320161416212728
Sun h/day5.55.35.55.66.16.25.95.65.04.75.25.6
Wind (km/h)222222332222

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+0.3+0.1+0.4+0.4+0.4+0.2+0.3+0.6+0.3+0.3+0.4+0.3
2021+0.2±0.0+0.1+0.3+0.2+0.3+0.3+0.4+0.2+0.6+0.6+0.5
2022+0.5+0.5+0.7+0.7+0.5+0.3+0.5+0.5+0.4+0.1+0.2+0.4
2023+0.5+0.5±0.0+0.4+0.4+0.3+0.3+0.6+0.5+0.8+1.1+1.0
2024+1.1+0.8+0.5+0.9+0.6+0.5+0.6+0.5+0.5+0.7+0.9+0.6
2025+0.8+0.7+0.4+0.4+0.4+0.2+0.5+0.4+0.2+0.5+0.2+0.4

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Kinabalu Sabah Borneo Kampong Kundasang 2
kallerna · CC BY-SA 4.0
2014 Borneo Luyten-De-Hauwere-Peninsula-01
Denis Luyten · Public domain
2014 Borneo Luyten-De-Hauwere-Sunset-01
Denis Luyten · Public domain
A Borneo Sunset From the Beach... (3446959855)
Chi King · CC BY 2.0

About these numbers

Names, area, populationWikidata (Q36117) · 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