Lake · Sweden
Storsjön
Lake in northern Sweden
- Area
- 489km²
- Max depth
- 74m
- Average depth
- 38m
- Elevation
- 279m a.s.l.
- Shoreline
- 527km
- Volume
- 18.7km³
Storsjön is a lake in Sweden. It covers 489 km². On average it is 38 m deep, and 74 m at its deepest point. Its surface lies 279 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Storsjön?
The water is warmest in August, around 15 °C at the surface, and coldest in January, around 0 °C. Even at its warmest, the surface stays below 17 °C on average: this is cold water.
The lake usually freezes over for about 148 days a year, from around 27 November to 23 April.
On the shore, afternoons reach 18 °C on average in July and -6 °C in January. The driest month is February (38 mm of rain), the wettest July (132 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (71 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | Ice | — | -6 | -11 | 53 | 13 | 0.6 | 10 |
| February | Ice | — | -5 | -11 | 38 | 10 | 2.5 | 9 |
| March | Ice | — | -1 | -8 | 45 | 12 | 5.0 | 10 |
| April | Ice | — | 5 | -2 | 46 | 11 | 7.2 | 10 |
| May | 4 | 7 | 11 | 3 | 82 | 15 | 7.3 | 9 |
| June | 10 | 12 | 16 | 7 | 102 | 18 | 8.7 | 9 |
| July | 14 | 15 | 18 | 10 | 132 | 20 | 8.0 | 8 |
| August | 15 | 15 | 16 | 9 | 126 | 18 | 6.3 | 8 |
| September | 13 | 14 | 11 | 5 | 82 | 13 | 4.0 | 8 |
| October | 8 | 11 | 4 | -1 | 75 | 13 | 2.2 | 8 |
| November | 2 | 5 | -2 | -6 | 58 | 12 | 0.7 | 8 |
| December | Ice | — | -4 | -10 | 56 | 13 | 0.4 | 9 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 2.6 years before flowing out.
- Its catchment drains 11,305 km² of land.
- About 229 m³ of water flow out every second, on average.
- Its shoreline is 6.7 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Storsjön
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 32beaches and swimming spots
Viken, Surfbuktens badplats, Södra Minnesgärde, Brunflo, public beach, Dragejde and 27 more
- 13campsites
Ovikens Camping, Östersunds camping, Sandvikens Camping & Stugby, Hoverbergs Camping, Krokomsvikens camping and 8 more
- —boat hire and water-sport clubs
- 30marinas and slipways
Dvärsätts Båtvarv, Virveln, Bye brygga, Östersunds hamn, Ovikens Småbåtshamn and 25 more
- 2ferry piers
- 11viewpoints
Storbjörken, Stenbrottet i Marieby, Honingsberget, Utsiktspunkt Östersund and 7 more
- 21hotels, B&Bs and chalets
Hotel Zäta, Hotel Emma, Clarion Hotel Grand, Jamtli Vandrarhem, Hotell Östersund and 16 more
- —fishing spots
- 94restaurants and cafés
Towns on the shore
- Östersund49,806 people
- Brunflo3,916 people
- Krokom1,953 people
- Ås1,572 people
- Hoverberg206 people
Nearest airport with scheduled flights: Åre Östersund Airport (OSD), 15 km in a straight line.
Car hire at OSD airport (Östersund)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | -5.5 | -4.7 | -1.1 | 5.1 | 11.1 | 15.5 | 18.2 | 16.5 | 11.4 | 4.3 | -1.5 | -4.3 |
| 2020 | +4.9 | +2.9 | +1.1 | −1.0 | −3.1 | +5.0 | −3.5 | +1.5 | ±0.0 | +0.5 | +3.3 | +2.4 |
| 2021 | −3.9 | −1.7 | +1.3 | −1.4 | −0.9 | +2.3 | +2.6 | −1.5 | −0.9 | +1.7 | +0.4 | −1.8 |
| 2022 | +1.2 | +0.3 | +2.4 | −0.3 | +0.1 | +2.3 | −1.2 | +1.1 | −0.5 | +2.0 | +1.1 | −2.4 |
| 2023 | +1.5 | +2.3 | −1.4 | −0.8 | +0.9 | +3.2 | −0.8 | +0.3 | +2.2 | −1.9 | −5.2 | −4.5 |
| 2024 | −1.0 | −0.1 | +0.5 | −3.3 | +6.4 | +1.2 | −0.3 | +0.7 | +1.9 | +2.0 | +2.2 | +1.2 |
| 2025 | +0.9 | +1.9 | +3.4 | +2.6 | −1.5 | +0.2 | +3.7 | −0.9 | +2.0 | +1.5 | +0.9 | +2.8 |
+1 warmer than usual −1 cooler than usual
NorwayAbout these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q629354) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
