Finland
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
201km²
Area
141km
Coastline
30m
Highest point
967
People
15°C
Warmest sea
August
4km
To the mainland
When to go to Hailuoto
Good all year round.
The sea is warmest in August (15 °C) and coolest in February (0 °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 in Hailuoto, Finland
Hailuoto is an island in Finland. It covers 201 km², with 141 km of coastline. Its highest point rises to 30 m. About 967 people live on it. The nearest mainland is 4 km away.
Getting there
- Oulu Airport (OUL)nearest airport with scheduled flights · 33 km in a straight lineCar hire at OUL airport (Oulu / Oulunsalo)Discover Cars · Affiliate link↗
- Ferries1 ferry terminals on the island
- 4 km from the mainlanddistance to the nearest continental coast
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 Hailuoto.
- 3beachesSunikarin uimaranta, Sunikari beach
- 6viewpointsKirkkosalmi bird-watching tower, Tömppä bird-watching tower, Lintutorni and 3 more
- 2lighthousesMarjaniemi Lighthouse, Keskiniemi Light
- 1ferry terminalsHailuoto Ferry Terminal
- 1marinasHuikku
- 1named peaksHyypänmäki
- 4ruins and archaeological sitesStruven ketjun piste, Old pier and 2 more
- 8waymarked walking routesHannuksenrantalammen luontopolku, Kirkkosalmen luontopolku and 6 more
- 2hotels, guesthouses and apartments
- 7restaurants, 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.
Cross-checked with our atlases
Hailuoto in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Hailuoto, each with its own numbers.
18beaches and covesCoastya
2mountainsPeakyas
1lakeLakeyas
Largest lake
3.6km²
Patelanselkä
according to Lakeyas
Beach with the warmest sea
15.4°C
Vesanniityt
sea in the warmest month · according to Coastya
18 beaches
on Coastya, the beach atlas
- Karvo15.3°C
- Vesanniityt15.4°C
- Päärninperäcove15.3°C
- Pöllänlahticove15.3°C
- Kunninperäcove15.3°C
- Viinikanlahticove15.3°C
- Iljananperäcove15.3°C
- Sauvolanperäcove15.3°C
10 more on CoastyaOpen Coastya ↗
1 lakes
on Lakeyas, the lake atlas
- Patelanselkä3.6km²
Lakeyas is coming soonOpen Lakeyas ↗
The shape of the land.
On average the island stands 8 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.
20 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Hailuoto928 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | -6 | -6 | -3 | 4 | 10 | 15 | 19 | 17 | 13 | 6 | 1 | -3 |
| Night low (°C) | -10 | -11 | -8 | -2 | 4 | 9 | 14 | 13 | 8 | 3 | -2 | -6 |
| Sea (°C) | 0 | 0 | 0 | 0 | 3 | 9 | 14 | 15 | 12 | 8 | 4 | 2 |
| Rain (mm) | 47 | 37 | 38 | 41 | 60 | 55 | 74 | 69 | 73 | 64 | 61 | 57 |
| Wet days | 11 | 10 | 10 | 9 | 10 | 10 | 13 | 13 | 12 | 13 | 14 | 13 |
| Sun h/day | 0.2 | 1.8 | 5.3 | 7.8 | 8.9 | 10.3 | 9.2 | 6.8 | 4.0 | 1.6 | 0.2 | 0.1 |
| Wind (km/h) | 16 | 15 | 14 | 12 | 11 | 11 | 10 | 12 | 14 | 14 | 15 | 16 |
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 | +0.2 | +0.3 | +0.2 | −0.2 | −1.1 | +4.4 | +1.3 | +1.2 | +1.7 | +1.9 | +1.4 | +0.4 |
| 2021 | −0.1 | +0.2 | +0.1 | −0.3 | −0.8 | +4.7 | +5.3 | +0.9 | −1.5 | −0.8 | −0.5 | −1.1 |
| 2022 | −0.2 | +0.2 | +0.1 | −0.3 | −1.5 | +3.2 | +4.0 | +1.7 | −0.1 | −0.4 | −0.9 | −0.5 |
| 2023 | ±0.0 | +0.2 | +0.1 | −0.3 | −0.5 | +4.4 | +2.5 | +1.9 | +1.8 | +0.7 | −1.7 | −1.6 |
| 2024 | −0.2 | +0.2 | +0.1 | −0.2 | −0.6 | +6.1 | +3.8 | +2.0 | +2.7 | +1.1 | ±0.0 | −0.6 |
| 2025 | −0.1 | +0.2 | +0.2 | −0.1 | +0.9 | +2.0 | +3.5 | +2.7 | +1.4 | +0.9 | +1.4 | +0.4 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q30399386) · 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 |
| Beaches, mountains, lakes and waterfalls | Coastya, Peakyas, Lakeyas — 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.
beaches
Find your beach: sea temperature, sun and swimming month by month.Visit lakes
Every lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit mountains
Every summit in 3D: summit weather, the 0 °C line, huts and trails.Visit 
waterfalls
Every waterfall: height, flow month by month and when it roars.Coming soonVisit 
islands
Every island from the sea up: size, sea temperature, ferries and 3D.You are here
rivers
Every river from source to sea: the journey, the flow and the basin in numbers.Visit 
canyons
Every canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit