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Devil's Island

0.18 km² of land in the Atlantic Ocean.

When to go

Devil's Island seen from space, cut out from the sea (Sentinel-2)
N 0.1 km

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

In numbers

0.18km²

Area

3km

Coastline

40m

Highest point

28°C

Warmest sea

July

14km

To the mainland

When to go to Devil's Island

Best for the beach from January to March and from September to October.

The sea is warmest in July (28 °C) and coolest in January (27 °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 and former penal colony in French Guiana

Devil's Island is an island in France. It belongs to Salvation's Islands. It covers 0.18 km², with 3 km of coastline. Its highest point rises to 40 m. The nearest mainland is 14 km away.

Read more on Wikipedia

Getting there

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 Devil's Island.

  • 3ruins and archaeological sitesAncien ancrage transbordeur

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 14 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.

Devil's Island0 km²
Alcatraz Island0 km²

0.2 km

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

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)272727282828282828282827
Night low (°C)262627272727272727272727
Sea (°C)272727272828282828282827
Rain (mm)20117416126037027217088435188201
Wet days262324262929292212132028
Sun h/day6.15.86.46.05.36.48.08.99.38.98.06.2
Wind (km/h)242524232218161718192022

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

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Île du Diable depuis l'île Royale
Gfievet · CC BY-SA 4.0
Ile St-Joseph et île du Diable
Cayambe · CC BY-SA 4.0
Ile du diable as from Ile St-Joseph French Guiana
Cayambe · CC BY-SA 4.0
Ile du Diable - Iles du Salut - Guyane Française
Christian F5UII · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q220385) · 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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