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Norway NorwayIsland

Tromsøya

23.2 km² of land in the Norwegian Sea.

When to go

Tromsøya seen from space, cut out from the sea (Sentinel-2)
Tromsø
N 1 km

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

In numbers

23.2km²

Area

37km

Coastline

158m

Highest point

39,882

People

11°C

Warmest sea

August

6km

To the mainland

When to go to Tromsøya

Good all year round.

The sea is warmest in August (11 °C) and coolest in March (4 °C). The water never reaches 21 °C: bring a wetsuit.

Sea temperature (the water level) Air: night low to afternoon high Wet days

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 in Tromsø, Troms, Norway

Tromsøya is an island in Norway. It covers 23.2 km², with 37 km of coastline. Its highest point rises to 158 m. About 39,882 people live on it. The nearest mainland is 6 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 Tromsøya.

  • 8beaches
  • 5viewpoints
  • 4ferry terminalsHurtigruten Tromsø, Tromsø Prostneset hurtigbåtkai, Prostneset havneterminal and 1 more
  • 3marinasKai 10/11, Skattøra Marina, Bjerkaker Marina
  • 3named peaksVarden, Grønnåsen, Rismålshaugen
  • 1waterfalls
  • 1castles and fortsSkansen
  • 1dive centresTromsø dykkesenter
  • 33hotels, guesthouses and apartments
  • 125restaurants, cafés and bars

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 48 m above the sea. 100 % of it is below 200 m.

  • 55 %0–50 m
  • 45 %50–200 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.

Tromsøya23 km²
Manhattan54 km²
Santorini76 km²

5 km

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

Towns on the island

  • Tromsø41,915 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)-5-5-217121614103-1-3
Night low (°C)-11-10-8-416984-1-6-8
Sea (°C)544468101110976
Rain (mm)1061091208994106112113136122114124
Wet days181719171718181919191820
Sun h/day0.30.63.26.37.37.16.24.93.11.40.2—
Wind (km/h)1514141110877891214

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+0.3+0.5+0.4+0.2−0.1+0.4+0.5+0.9+0.5+0.5+0.2−2.3
2021−0.9+0.7+0.8+0.7−0.1+0.5±0.0±0.0−0.2+0.4+0.1−0.5
2022−0.4−0.6−0.1−0.2−0.4+0.4+0.7+0.2±0.0+0.5+0.3±0.0
2023+0.1−0.2−0.5−0.3−0.4−0.2+0.6+0.7+0.4+0.1−0.1−0.4
2024−1.0−1.0−0.6−0.5−0.5+1.1+1.4+3.1+2.6+1.6+0.8−0.2
2025−0.8−0.2±0.0±0.0−0.2+0.6+0.9+1.5+1.9+1.7+1.0+0.5

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

View of Tromsøya from Storsteinen
Kawon Kez Sel · CC0
Tromsøya - Romssasuolu Shore - Tromsø, Norway 2023-07-07 (01)
Ryan Hodnett · CC BY-SA 4.0
Tromsøya - Romssasuolu Shore - Tromsø, Norway 2023-07-07 (02)
Ryan Hodnett · CC BY-SA 4.0
Tromsøya og fastlandet sett fra Kvaløya
Gálaniitoluodda · CC BY-SA 3.0

About these numbers

Names, area, populationWikidata (Q1190341) · 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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