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Cook Islands Cook IslandsIsland

Atiu

28.6 km² of land in the Pacific Ocean.

When to go

Atiu seen from space, cut out from the sea (Sentinel-2)
N 1 km

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

In numbers

28.6km²

Area

23km

Coastline

73m

Highest point

570

People

28°C

Warmest sea

March

5,131km

To the mainland

When to go to Atiu

Best for the beach in January and from June to September.

The sea is warmest in March (28 °C) and coolest in August (25 °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 the Cook Islands

Atiu is an island in Cook Islands. It covers 28.6 km², with 23 km of coastline. Its highest point rises to 73 m. About 570 people live on it. The nearest mainland is 5,131 km away.

Read more on Wikipedia

Getting there

  • Rarotonga International Airport (RAR)nearest airport with scheduled flights · 222 km in a straight line
  • Ferries1 ferry terminals on the island
  • 5,131 km from the mainlanddistance to the nearest continental coast
  • January and from June to Septemberbest 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 Atiu.

  • 2viewpointsTaungaroro Beach, Oravaru Beach
  • 1ferry terminalsTaunganui Harbour
  • 3hotels, guesthouses and apartments
  • 1restaurants, 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 32 m above the sea. 100 % of it is below 200 m.

  • 79 %0–50 m
  • 21 %50–200 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.

Atiu29 km²
Manhattan54 km²
Santorini76 km²

5 km

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

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)272727272625252424252626
Night low (°C)262727262524242324242526
Sea (°C)282828282726252525262627
Rain (mm)2102171721661385869657193150204
Wet days212022181710111112151620
Sun h/day7.57.67.57.06.46.76.97.58.08.18.07.7
Wind (km/h)222120212223232224232121

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
2020−0.5+0.1+0.4+0.6+0.9+0.3±0.0+0.3+0.1+0.5+0.5+0.8
2021+0.6+1.0+0.5+0.8+0.7+0.3+0.7+0.2+1.2+0.9+0.4+0.3
2022±0.0−0.2+0.3+0.6+1.3+0.9+0.4−0.3+0.1−0.3−0.5−0.4
2023−0.2+0.1+0.6+0.5±0.0+0.6+0.8+0.8+0.3+0.2−0.9−0.4
2024−0.3+0.2+0.8+0.4+0.6+0.4±0.0−0.1−0.1−0.2−0.8−0.4
2025+0.3+0.7+0.3+0.3+0.4+0.4+0.6+0.3+0.5+0.5+0.3±0.0

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

About these numbers

Names, area, populationWikidata (Q755982) · 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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