Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
118km²
Area
57km
Coastline
558m
Highest point
0
People
1°C
Warmest sea
August
882km
To the mainland
When to go to Wilhelmøya
Good all year round.
The sea is warmest in August (1 °C) and coolest in February (-1 °C). The water never reaches 21 °C: bring a wetsuit.
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
Wilhelmøya is an island in Norway. It belongs to Svalbard. It covers 118 km², with 57 km of coastline. Its highest point rises to 558 m. Nobody lives on it. The nearest mainland is 882 km away.
Getting there
- 882 km from the mainlanddistance to the nearest continental coast
Plan the trip
Ferries, stays and things to do
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The shape of the land.
On average the island stands 150 m above the sea. 64 % of it is below 200 m.
- 37 %0–50 m
- 27 %50–200 m
- 36 %200–500 m
- <1 %500–1,000 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.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | -11 | -12 | -14 | -10 | -4 | 0 | 2 | 2 | -1 | -5 | -7 | -9 |
| Night low (°C) | -16 | -16 | -19 | -15 | -8 | -2 | 1 | 0 | -3 | -7 | -11 | -14 |
| Sea (°C) | -1 | -1 | -1 | -1 | -1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Rain (mm) | 55 | 51 | 53 | 38 | 41 | 34 | 47 | 51 | 64 | 69 | 71 | 71 |
| Wet days | 14 | 12 | 13 | 10 | 10 | 8 | 10 | 12 | 14 | 15 | 15 | 16 |
| Sun h/day | — | 2.0 | 5.9 | 11.4 | 13.4 | 13.1 | 9.8 | 6.9 | 4.6 | 2.3 | — | — |
| Wind (km/h) | 22 | 22 | 21 | 19 | 16 | 14 | 12 | 14 | 17 | 20 | 22 | 23 |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | −0.9 | −0.7 | −0.8 | −0.8 | −0.8 | −1.0 | −1.8 | +0.2 | −0.2 | −1.2 | −0.3 | −1.0 |
| 2021 | −0.9 | −0.7 | −0.8 | −0.8 | −0.8 | −0.7 | −1.1 | +0.2 | −1.7 | −1.4 | +0.1 | −1.0 |
| 2022 | −0.9 | −0.8 | −0.8 | −0.8 | −0.8 | −0.9 | +2.2 | +1.3 | +1.4 | +1.3 | +1.6 | +0.8 |
| 2023 | −1.0 | −0.7 | −0.8 | −0.8 | −0.8 | −0.9 | +0.1 | +1.2 | +0.9 | +0.7 | −0.6 | −1.0 |
| 2024 | −0.9 | −0.8 | −0.8 | −0.7 | −0.8 | −0.9 | +0.8 | +1.5 | +1.7 | +1.5 | +0.8 | −0.7 |
| 2025 | −0.9 | −0.7 | −0.7 | −0.7 | −0.6 | +0.1 | +0.7 | +1.2 | +1.4 | +2.9 | +2.0 | +0.3 |
+1 warmer than usual −1 cooler than usual
Nearby
More islands nearby.
Spitsbergen
Norway39,044 km²1,713 m101 km away
BarentsøyaNorway1,276 km²405 m75 km away
NordaustlandetNorway14,467 km²764 m91 km away
EdgeøyaNorway5,073 km²590 m162 km away
SvenskøyaNorway138 km²280 m138 km away
Kong Karls LandNorway361 km²316 m175 km away
KongsøyaNorway200 km²320 m173 km away
Prins Karls ForlandNorway610 km²1,084 m211 km awayAbout these numbers
| Names, area, population | Wikidata (Q1341837) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX 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.
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