Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
3.0km²
Area
10km
Coastline
29m
Highest point
11
People
17°C
Warmest sea
August
2km
To the mainland
When to go to Aegna
Best to visit from July to August.
The sea is warmest in August (17 °C) and coolest in March (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 in Estonia
Aegna is an island in Estonia. It covers 3.0 km², with 10 km of coastline. Its highest point rises to 29 m. About 11 people live on it. The nearest mainland is 2 km away.
Getting there
- Lennart Meri Tallinn Airport (TLL)nearest airport with scheduled flights · 19 km in a straight lineCar hire at TLL airport (Tallinn)Discover Cars · Affiliate link↗
- FerriesTallinn-Aegna
- 2 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
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 Aegna.
- 15beachesPõhjarand, Hallikivi rand, Mustamäe rand and 12 more
- 1lighthousesAegna sadamakai tulepaak
- 1marinasPort of Aegna
- 3ruins and archaeological sitesSauna, Komandopunkt, Rannakaitsepatarei varemed
- 2campsitesPõhjarand
- 1restaurants, 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 15 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.
2 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) | -2 | -3 | 0 | 6 | 13 | 17 | 21 | 20 | 16 | 9 | 4 | 0 |
| Night low (°C) | -6 | -7 | -4 | 1 | 6 | 11 | 15 | 15 | 11 | 5 | 1 | -3 |
| Sea (°C) | 2 | 1 | 1 | 2 | 6 | 12 | 16 | 17 | 15 | 11 | 7 | 4 |
| Rain (mm) | 52 | 42 | 40 | 40 | 48 | 72 | 65 | 72 | 57 | 71 | 68 | 57 |
| Wet days | 13 | 11 | 10 | 10 | 10 | 12 | 13 | 14 | 12 | 14 | 15 | 15 |
| Sun h/day | 0.1 | 1.5 | 4.9 | 7.2 | 9.6 | 9.1 | 8.9 | 7.3 | 4.5 | 1.9 | 0.0 | 0.0 |
| Wind (km/h) | 25 | 23 | 22 | 20 | 18 | 19 | 18 | 19 | 23 | 24 | 26 | 27 |
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 | +2.3 | +2.9 | +2.7 | +2.0 | +0.7 | +2.7 | −0.1 | +0.2 | +0.4 | +1.0 | +2.0 | +1.7 |
| 2021 | +0.6 | −0.4 | −0.1 | +0.7 | +0.1 | +4.1 | +4.6 | −0.4 | −1.3 | −0.4 | +0.5 | −0.4 |
| 2022 | −0.7 | +0.2 | +0.7 | +0.5 | −0.5 | +0.8 | +1.2 | +1.6 | −0.4 | −0.1 | +0.5 | +0.2 |
| 2023 | +0.2 | +0.6 | +0.4 | +0.1 | +1.0 | +1.7 | −0.2 | +0.7 | +2.3 | +2.1 | +0.7 | −0.3 |
| 2024 | −0.6 | −0.3 | +0.2 | −0.3 | +1.4 | +3.1 | +1.8 | +1.8 | +3.1 | +2.5 | +1.9 | +1.7 |
| 2025 | +1.7 | +1.0 | +0.8 | +1.1 | +0.7 | +0.4 | +0.3 | +0.3 | +1.3 | +1.4 | +2.1 | +2.0 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.




Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q380699) · 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.
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.






