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Oman OmanIsland

Al-Hallaniyah

58.6 km² of land in the Arabian Sea.

When to go

Al-Hallaniyah seen from space, cut out from the sea (Sentinel-2)
N 2 km

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

In numbers

58.6km²

Area

59km

Coastline

445m

Highest point

28°C

Warmest sea

May

39km

To the mainland

When to go to Al-Hallaniyah

Best for the beach from October to February.

The sea is warmest in May (28 °C) and coolest in August (23 °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.

Island in Oman

Al-Hallaniyah is an island in Oman. It covers 58.6 km², with 59 km of coastline. Its highest point rises to 445 m. The nearest mainland is 39 km away.

Read more on Wikipedia

Getting there

  • Salalah International Airport (SLL)nearest airport with scheduled flights · 212 km in a straight lineCar hire at SLL airport (Salalah)Discover Cars · Affiliate link
  • Ferries1 ferry terminals on the island
  • 39 km from the mainlanddistance to the nearest continental coast
  • From October to Februarybest 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 Al-Hallaniyah.

  • 4beaches
  • 1ferry terminalsAl Hallaniyat Port

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 90 m above the sea. 89 % of it is below 200 m.

  • 41 %0–50 m
  • 48 %50–200 m
  • 11 %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.

Al-Hallaniyah59 km²
Santorini76 km²
Manhattan54 km²

10 km

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

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)242426282928252426272726
Night low (°C)222324262827252425262624
Sea (°C)252526282827242325272826
Rain (mm)61036215217111011685
Wet days113224221111
Sun h/day8.99.810.210.410.38.67.78.29.09.89.08.7
Wind (km/h)181615172329353323141620

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+0.8−0.2−0.3+0.1−0.1+0.2+0.8+0.7+1.0+0.2±0.0±0.0
2021−0.4+0.2+0.9±0.0+0.2−0.7−0.7−1.7+0.5+0.8+0.2+0.1
2022+0.1−0.1+0.5−0.2−0.8+0.1−0.3−0.3±0.0+0.1+0.5+0.8
2023+0.7+0.7+1.0+0.4+0.7+0.7−1.1−0.8+1.1+0.9+0.9+0.6
2024+1.0+1.4+1.0±0.0+0.7−0.7−0.8−0.8−0.1+0.7+0.8+0.1
2025−0.4+0.2+0.9+0.1+0.5−0.6−1.5−0.9−0.9−0.3−0.5−0.3

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q3607441) · CC0
Outline© OpenStreetMap contributors · ODbL
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

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

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Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

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