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Cook Islands Cook IslandsIsland

Mitiaro

23.0 km² of land in the Pacific Ocean.

When to go

Mitiaro seen from space, cut out from the sea (Sentinel-2)
N 0.5 km

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

In numbers

23.0km²

Area

19km

Coastline

8m

Highest point

219

People

28°C

Warmest sea

March

5,180km

To the mainland

When to go to Mitiaro

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 of the Southern Cook Islands

Mitiaro is an island in Cook Islands. It covers 23.0 km², with 19 km of coastline. Its highest point rises to 8 m. About 219 people live on it. The nearest mainland is 5,180 km away.

Read more on Wikipedia

Getting there

  • Rarotonga International Airport (RAR)nearest airport with scheduled flights · 264 km in a straight line
  • Ferries1 ferry terminals on the island
  • 5,180 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 Mitiaro.

  • 1ferry terminalsTe Ao O Mutu Harbour

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

Mitiaro in our other atlases

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

  • 1lakeLakeyas
  • Largest lake

    0.99km²

    Te Rotonui

    according to Lakeyas

1 lakes

on Lakeyas, the lake atlas

  1. Te Rotonui0.99km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 10 m above the sea. 100 % of it is below 200 m.

  • 100 %0–50 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.

Mitiaro23 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)2142051721751376268686493148210
Wet days222022181711111212161620
Sun h/day7.57.77.56.96.56.87.07.68.18.28.07.6
Wind (km/h)212120212223232224232121

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
2020−0.6+0.2+0.5+0.7+0.9+0.1+0.2+0.4+0.1+0.8+0.4+0.7
2021+0.6+0.9+0.5+0.8+0.6+0.3+0.7+0.4+1.1+1.0+0.5+0.4
2022+0.1−0.2+0.3+0.6+1.2+0.8+0.3−0.2+0.1−0.2−0.6−0.3
2023−0.4+0.2+0.7+0.5+0.2+0.6+0.8+1.0+0.3+0.3−0.8−0.4
2024−0.4+0.1+0.8+0.4+0.7+0.2+0.1−0.1±0.0−0.1−0.7−0.3
2025+0.1+0.7+0.4+0.5+0.5+0.5+0.6+0.4+0.6+0.5+0.1−0.1

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q596542) · 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
Beaches, mountains, lakes and waterfallsLakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; 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.Visit