Skip to content
islandyas
EN

Kiribati KiribatiGilbert IslandsAtoll

Onotoa

10.9 km² of land in the Pacific Ocean.

When to go

Onotoa 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

10.9km²

Area

57km

Coastline

19m

Highest point

2,100

People

29°C

Warmest sea

May

3,576km

To the mainland

When to go to Onotoa

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

The sea is warmest in May (29 °C) and coolest in February (29 °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

Onotoa is an atoll in Kiribati. It belongs to Gilbert Islands. It covers 10.9 km², with 57 km of coastline. Its highest point rises to 19 m. About 2,100 people live on it. The nearest mainland is 3,576 km away.

Read more on Wikipedia

Getting there

  • 3,576 km from the mainlanddistance to the nearest continental coast
  • January and from August to Novemberbest 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 Onotoa.

  • 3beaches

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 6 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.

Onotoa11 km²
Capri10 km²
Manhattan54 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)282828282929292829282928
Night low (°C)282828282828282828282828
Sea (°C)292929292929292929292929
Rain (mm)17417316213478958180626470148
Wet days161517171616161412121115
Sun h/day8.07.98.28.59.08.88.99.29.59.79.48.1
Wind (km/h)192019171617181818161718

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+1.4+1.3+0.9+0.5±0.0+0.1−0.1−0.4−0.4−0.4−0.3−0.5
2021−1.3−1.0−0.1−0.2±0.0−0.1−0.2±0.0−0.6−0.8−1.1−1.0
2022−0.2−0.1−1.0−1.3−1.0−1.0−1.3−1.0−1.2−1.3−1.2−1.0
2023−0.9−0.9−0.5+0.1+0.2+0.6+0.8+1.3+1.4+1.6+1.3+1.1
2024+1.5+1.5+1.0+1.2+0.9+0.7+0.7+0.6+0.4+0.3+0.3−0.5
2025−0.9−0.8−0.6−0.5−0.2±0.0±0.0−0.3−0.5−0.6−0.7−0.3

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q576865) · 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

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