EstoniaWest Estonian archipelagoIsland

Hiiumaa

1,015 km² of land in the Baltic Sea.

When to go

Kärdla

N 10 km

BeachesLighthousesAirportsLakes

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

In numbers

1,015km²

Area

398km

Coastline

69m

Highest point

Tornimägi

8,995

People

18°C

Warmest sea

August

22km

To the mainland

When to go to Hiiumaa

Best to visit from July to August.

The sea is warmest in August (18 °C) and coolest in March (2 °C). The water never reaches 21 °C: bring a wetsuit.

3°1°-2°

Jan15

2°0°-3°

Feb12

2°1°-1°

Mar10

3°5°2°

Apr9

7°11°7°

May8

12°15°12°

Jun10

16°19°16°

Jul10

18°19°16°

Aug13

15°15°13°

Sep12

11°10°8°

Oct16

8°6°4°

Nov16

5°3°1°

Dec16

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.

Second largest island in Estonia

Hiiumaa is an island in Estonia. It belongs to West Estonian archipelago. It covers 1,015 km², with 398 km of coastline. Its highest point, Tornimägi, rises to 69 m. About 8,995 people live on it. The nearest mainland is 22 km away.

Getting there

Kärdla Airport (KDL)airport on the island, with scheduled flightsCar hire at URE airport (Kuressaare)Discover Cars · Affiliate link
22 km from the mainlanddistance to the nearest continental coast
From July to Augustbest months to go (from 30 years of averages)

Plan the trip

Ferries, stays and things to do

Car hire at URE airport (Kuressaare)Discover CarsSee

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 Hiiumaa.

24beachesSurfer Beach, Kaleste rand, Tõrvanina beach and 21 more
3viewpointsSuur radarimägi, Väike radarimägi
7lighthousesSõru sihi alumine tuletorn, Sõru sihi ülemine tuletorn, Emmaste sihi alumine tuletorn and 4 more
31marinasHeltermaa sadam, Kärdla Marina, Roograhu Marina and 28 more
11ruins and archaeological sitesHüti klaasikoda, Lõuka windmill, Ancient covenant stones and 8 more
16waymarked walking routesRebastemäe study trail, Vanajõe valley study trail, Orjaku õpperada and 13 more
21campsitesHirmuste campsite, Kaleste telkimisala, Luidja telkimisala and 18 more
26hotels, guesthouses and apartments
26restaurants, 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

Hiiumaa in our other atlases

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

1beachCoastya
3mountainsPeakyas
6lakesLakeyas

Highest point
69m
Tornimägi
according to Peakyas
Largest lake
0.47km²
Lake Tihu
according to Lakeyas
Warmest lake
22.7°C
Köönaauk
surface water, warmest month · according to Lakeyas
Beach with the warmest sea
17.8°C
Luidja rand
sea in the warmest month · according to Coastya

1 beaches

on Coastya, the beach atlas

Luidja rand17.8°C

Open Coastya ↗

3 mountains

on Peakyas, the mountain atlas

Tornimägi69m
Andrusemägi
Ristimägi

Open Peakyas ↗

6 lakes

on Lakeyas, the lake atlas

Lake Tihu0.47km²
Veskilais0.27km²
Tammelais0.18km²
Köönaauk0.17km²
Kajumeri0.11km²
Lake Haavasoo0.10km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 15 m above the sea. 100 % of it is below 200 m.

100 %0–50 m
<1 %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.

Hiiumaa1,015 km²

Tenerife2,038 km²

Madeira Island742 km²

50 km

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

Towns on the island

Kärdla3,160 people

Month by month

The weather on the island.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Afternoon high (°C)	1	0	1	5	11	15	19	19	15	10	6	3
Night low (°C)	-2	-3	-1	2	7	12	16	16	13	8	4	1
Sea (°C)	3	2	2	3	7	12	16	18	15	11	8	5
Rain (mm)	57	45	42	36	40	54	55	73	60	74	74	61
Wet days	15	12	10	9	8	10	10	13	12	16	16	16
Sun h/day	0.0	1.3	4.8	7.7	10.2	10.2	9.7	7.9	4.9	2.2	0.0	0.0
Wind (km/h)	28	26	24	20	18	19	19	20	24	26	28	30

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	+1.9	+2.6	+2.9	+2.1	+0.4	+1.5	−0.1	+0.7	+0.9	+1.8	+2.3	+2.2
2021	+1.6	+0.1	−0.2	+0.6	+0.1	+3.7	+4.1	−0.1	−1.0	±0.0	+0.1	−0.3
2022	±0.0	+0.5	+1.3	+1.4	+0.8	+2.5	+2.3	+2.0	−0.9	−0.3	+0.6	+0.3
2023	+0.6	+0.5	+0.5	+1.4	+2.7	+2.9	+0.7	+0.8	+2.3	+1.5	+0.1	−0.8
2024	−0.8	−0.6	+0.3	+0.3	+2.5	+4.0	+2.1	+1.2	+2.6	+1.8	+0.8	+0.5
2025	+1.2	+1.0	+0.9	+1.8	+0.8	+0.6	+0.5	+0.2	+1.4	+1.0	+1.6	+1.0

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Tahkuna tuletorn Hiiumaal, päikeseloojanguvalguses — MinuHiiumaa · CC BY-SA 3.0 ee

Hiiumaa I Laulupüha mälestuskivi, ostrov Hiiumaa, Estonsko 3 — Fry72, Karel Frydrýšek · CC BY-SA 4.0

Hiiumaa I Laulupüha mälestuskivi, ostrov Hiiumaa, Estonsko 5 — Fry72, Karel Frydrýšek · CC BY-SA 4.0

Pühalepa kirik, Hiiumaa 2016 jaanuar — Hiiumaamudeliklubi · CC BY-SA 4.0

Nearby

More islands nearby.

Kassari

Estonia19 km²15 m14 km away

Saaremaa

Estonia2,672 km²62 m53 km away

Muhu

Estonia205 km²24 m47 km away

Vormsi

Estonia93 km²12 m37 km away

Osmussaar

Estonia4.8 km²18 m62 km away

Vilsandi

Estonia9.4 km²18 m72 km away

Abruka

Estonia9.4 km²27 m81 km away

Kihnu

Estonia17 km²9 m115 km away

About these numbers

Names, area, population	Wikidata (Q146530) · 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 Cascadyas

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