Skip to content
islandyas
EN

Nigeria NigeriaIsland

Bonny Island

220 km² of land in the Bight of Biafra.

When to go

Bonny Island seen from space, cut out from the sea (Sentinel-2)
Bonny
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

220km²

Area

82km

Coastline

22m

Highest point

29°C

Warmest sea

April

When to go to Bonny Island

Best for the beach from December to January.

The sea is warmest in April (29 °C) and coolest in August (26 °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.

An LGA in Rivers State, Nigeria

Bonny Island is an island in Nigeria. It covers 220 km², with 82 km of coastline. Its highest point rises to 22 m.

Read more on Wikipedia

Getting there

  • Port Harcourt City Airport / Port Harcourt Air Force Base (PHG)nearest airport with scheduled flights · 50 km in a straight lineCar hire in Port HarcourtDiscover Cars · Affiliate link
  • Ferries6 ferry terminals on the island
  • From December to Januarybest 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 Bonny Island.

  • 2beaches
  • 6ferry terminals
  • 3hotels, guesthouses and apartments

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 5 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.

Bonny Island220 km²
Malta247 km²
Madeira Island742 km²

20 km

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

Towns on the island

  • Bonny16,868 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)293029292827272727272829
Night low (°C)242626262625242424252525
Sea (°C)282929292928272627272828
Rain (mm)295912816420732634935837323313630
Wet days5102024272828282828184
Sun h/day6.05.14.24.64.32.61.92.12.53.54.66.0
Wind (km/h)9111111111314141311108

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

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

2 Some Empty Passenger Canoes at a local jetty in Bonny Island
OwenmaryJay · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q640657) · 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