Lake · Sweden
Hammarby sjö
Lake in Stockholm, Sweden
- Area
- 0.3km²
- Average depth
- 3.6m
- Elevation
- 2m a.s.l.
- Shoreline
- 4.3km
- Volume
- 0.001km³
Hammarby sjö is a lake in Sweden. It covers 0.3 km². On average it is 3.6 m deep. Its surface lies 2 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Hammarby sjö?
The water is warmest in July, around 19 °C at the surface, and coldest in January, around 0 °C. It rarely averages 20 °C, but it stays above 17 °C from June to August: brisk, refreshing swimming.
The lake usually freezes over for about 77 days a year, from around 21 December to 7 March.
On the shore, afternoons reach 23 °C on average in July and -1 °C in January. The driest month is April (37 mm of rain), the wettest June (78 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (90 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 | — | -1 | -5 | 46 | 10 | 0.1 | 11 |
| February | Ice | — | 0 | -5 | 40 | 10 | 1.5 | 10 |
| March | 1 | 3 | 3 | -3 | 39 | 10 | 4.5 | 10 |
| April | 6 | 9 | 9 | 1 | 37 | 9 | 7.5 | 10 |
| May | 13 | 16 | 15 | 6 | 50 | 10 | 9.5 | 9 |
| June | 18 | 19 | 19 | 11 | 78 | 12 | 10.2 | 9 |
| July | 19 | 19 | 23 | 14 | 70 | 12 | 9.6 | 9 |
| August | 18 | 19 | 22 | 13 | 72 | 14 | 7.9 | 9 |
| September | 14 | 16 | 16 | 9 | 55 | 10 | 5.4 | 10 |
| October | 9 | 12 | 10 | 4 | 63 | 12 | 2.3 | 10 |
| November | 4 | 6 | 4 | 1 | 61 | 13 | 0.4 | 10 |
| December | 1 | 2 | 1 | -3 | 54 | 13 | 0.0 | 11 |
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 21 months before flowing out.
- Its catchment drains 3 km² of land.
- About 0.0 m³ of water flow out every second, on average.
Around the shore
What's around Hammarby sjö
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 6beaches and swimming spots
Sickla strand and 5 more
- —campsites
- —boat hire and water-sport clubs
- 17marinas and slipways
Årstasjön, Navigationssällskapet, Eriksdals motorbåtsklubb, Årstalundens båtklubb, Årstavikens segelsällskap and 12 more
- 13ferry piers
Saltsjöqvarn, Viking Line: Stadsgården, Stockholm, Lumabryggan, Allmänna gränd, Viking Line Stockholm and 8 more
- 24viewpoints
Årstablick, Åsöberget, Fåfängan, Skyview, Per Anders Fogelströms Terrass and 19 more
- 21hotels, B&Bs and chalets
Scandic Malmen, Hasselbacken, Park Inn Hammarby Sjöstad, Clarion Hotel Stockholm, ProfilHotels Nacka and 16 more
- —fishing spots
- 402restaurants and cafés
Towns on the shore
- Stockholm1,515,017 people
- Södermalm127,323 people
- Årsta16,807 people
- Gamla Stan3,000 people
Nearest airport with scheduled flights: Stockholm-Bromma Airport (BMA), 10 km in a straight line.
Car hire at ARN airport (Stockholm)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 | -1.0 | -0.3 | 3.2 | 9.2 | 14.9 | 19.4 | 22.7 | 21.5 | 16.5 | 9.5 | 4.2 | 0.7 |
| 2020 | +5.3 | +4.0 | +1.8 | +0.5 | −2.0 | +3.4 | −1.8 | +2.1 | +1.4 | +1.6 | +3.0 | +2.6 |
| 2021 | −0.3 | −1.2 | +1.4 | −1.1 | −1.5 | +3.9 | +3.1 | −1.8 | −1.2 | +1.2 | ±0.0 | −2.2 |
| 2022 | +1.4 | +1.3 | +2.5 | −0.9 | −0.6 | +2.5 | +0.5 | +2.7 | −1.2 | +2.7 | +1.6 | −2.2 |
| 2023 | +2.3 | +1.2 | −1.0 | −0.5 | +0.7 | +3.3 | −1.1 | −1.6 | +2.2 | −0.7 | −1.6 | −2.3 |
| 2024 | −1.8 | +1.2 | +1.1 | −2.4 | +3.3 | +0.9 | −1.3 | +0.7 | +1.9 | +2.2 | +0.3 | +1.5 |
| 2025 | +1.6 | +0.4 | +2.9 | +1.5 | −1.8 | +0.1 | +2.2 | −1.2 | +1.9 | +1.0 | +0.4 | +2.9 |
+1 warmer than usual −1 cooler than usual
About 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 (Q3354931) · 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.
