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Iceland IcelandIsland

Iceland

102,775 km² rising to 2,110 m out of the Greenland Sea.

When to go

Iceland seen from space, cut out from the sea (Sentinel-2)
ReykjavíkReykjanesbærSelfossAkranesNorðurþingÍsafjörðurSauðárkrókur
N 100 km

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

In numbers

102,775km²

Area

5,135km

Coastline

measured on a simplified outline

2,110m

Highest point

Hvannadalshnúkur

321,857

People

10°C

Warmest sea

August

936km

To the mainland

When to go to Iceland

Good all year round.

The sea is warmest in August (10 °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.

Main island of the Republic of Iceland

Iceland is an island in Iceland. It covers 102,775 km², with 5,135 km of coastline. Its highest point, Hvannadalshnúkur, rises to 2,110 m. About 321,857 people live on it. The nearest mainland is 936 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 Iceland.

This island is too large to count beaches and viewpoints in a meaningful way.

Cross-checked with our atlases

Iceland in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Iceland, each with its own numbers.

  • 136beaches and covesCoastya
  • 212lakesLakeyas
  • 151waterfallsCascadyas
  • Tallest waterfall

    227m

    Morsárfoss

    according to Cascadyas

  • Largest lake

    81.6km²

    Þingvallavatn

    114 m deep · according to Lakeyas

  • Deepest lake

    260m

    Jökulsárlón

    according to Lakeyas

  • Warmest lake

    16.9°C

    Hvaleyrarvatn

    surface water, warmest month · according to Lakeyas

  • Beach with the warmest sea

    11.6°C

    Hafnarskeið

    sea in the warmest month · according to Coastya

136 beaches

on Coastya, the beach atlas

  1. Nauthólsvík11.4°C
  2. Seltjörncove11.4°C
  3. Kópavogurcove11.4°C
  4. Lambhúsatjörncove11.4°C
  5. Grunnavíkcove9.1°C
  6. Djúpavíkcove8.0°C
  7. Fauskasandur9.5°C
  8. Hvalfjara8.9°C

128 more on CoastyaOpen Coastya ↗

212 lakes

on Lakeyas, the lake atlas

  1. Þingvallavatn114 m deep81.6km²
  2. Þórisvatn113 m deep78.4km²
  3. Lagarfljót112 m deep54.1km²
  4. Blöndulón39 m deep53.4km²
  5. Mývatn4 m deep38.2km²
  6. Hvítárvatn84 m deep29.1km²
  7. Langisjór74 m deep25.4km²
  8. Jökulsárlón260 m deep17.5km²

204 more on LakeyasLakeyas is coming soonOpen Lakeyas ↗

151 waterfalls

on Cascadyas, the waterfall atlas

  1. Glymur190m
  2. Háifoss122m
  3. Seljalandsfoss65m
  4. Skógafoss62m
  5. Dettifoss44m
  6. Selfoss44m
  7. Gullfoss32m
  8. Svartifoss20m

143 more on CascadyasCascadyas is coming soonOpen Cascadyas ↗

Size, for real

Next to islands you may know.

Iceland102,775 km²
Great Britain217,695 km²
Cuba106,092 km²

500 km

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

Towns on the island

  • Reykjavík118,918 people
  • Kópavogur40,040 people
  • Hafnarfjörður31,525 people
  • Reykjanesbær19,724 people
  • Keflavík15,930 people
  • Mosfellsbær13,715 people
  • Garðabær11,421 people
  • Selfoss9,000 people
  • Akranes7,411 people
  • Seltjarnarnes4,726 people
  • Norðurþing3,234 people
  • Ísafjörður2,736 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)-5-5-4-204542-1-4-5
Night low (°C)-10-10-10-7-4021-1-5-8-10
Sea (°C)5444689109765
Rain (mm)837478676456797796929091
Wet days242123191816192021232223
Sun h/day0.31.03.77.38.59.77.26.23.92.10.50.4
Wind (km/h)282927231915141521232628

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+0.2±0.0−0.2−0.2±0.0+0.3±0.0−0.3−0.2±0.0+0.8−0.1
2021−0.3−0.2+0.6+0.1−0.2−0.4+0.7+1.7+0.7−0.6−0.6−0.9
2022−0.6−1.0−0.7−0.2+0.4+0.4+0.1−0.4+0.3−0.3±0.0−0.3
2023−0.8−0.4−0.6−0.3+0.1+0.2+0.2+0.7+1.0+0.7+0.4±0.0
2024+0.2−0.1±0.0−0.4+0.3−0.2±0.0−0.5−0.4−1.0−0.8−1.3
2025−1.1−0.6−0.1+0.1+1.7+0.8+1.5+1.3+0.9+0.5+0.1+0.1

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Arnarfell, Parque Nacional de Þingvellir, Suðurland, Islandia, 2014-08-16, DD 058
Diego Delso · CC BY-SA 4.0
Cañón Flosagja, Parque Nacional de Þingvellir, Suðurland, Islandia, 2014-08-16, DD 042
Diego Delso · CC BY-SA 4.0
View of the glacier of Öræfajökull volcano in Hornafjörður municipality, Iceland, 20240719 1738 2793
Jakub Hałun · CC BY 4.0
Jokulsarlon lake, Iceland
Kenny Muir · CC BY 2.0

About these numbers

Names, area, populationWikidata (Q3740828) · CC0
OutlineNatural Earth · public domain
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
Beaches, mountains, lakes and waterfallsCoastya, Lakeyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · CC BY 4.0

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