Lake · Sweden
Runn
Lake in Falu and Borlänge Municipality, Dalarna County, Sweden
- Area
- 63.2km²
- Max depth
- 27m
- Average depth
- 10m
- Elevation
- 108m a.s.l.
- Shoreline
- 125km
- Volume
- 0.649km³
Runn is a lake in Sweden. It covers 63.2 km². On average it is 10 m deep, and 27 m at its deepest point. Its surface lies 108 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Runn?
The water is warmest in July, around 20 °C at the surface, and coldest in January, around 0 °C. The surface averages 20 °C or more in July: comfortable for most swimmers.
The lake usually freezes over for about 112 days a year, from around 10 December to 31 March.
On the shore, afternoons reach 21 °C on average in July and -3 °C in January. The driest month is February (40 mm of rain), the wettest July (105 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (102 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 | — | -3 | -9 | 49 | 11 | 0.6 | 8 |
| February | Ice | — | -2 | -8 | 40 | 10 | 2.5 | 8 |
| March | Ice | — | 2 | -5 | 41 | 10 | 5.7 | 8 |
| April | 4 | 7 | 9 | 0 | 44 | 11 | 7.1 | 8 |
| May | 11 | 15 | 14 | 5 | 79 | 13 | 7.5 | 8 |
| June | 18 | 19 | 18 | 10 | 98 | 16 | 8.6 | 7 |
| July | 20 | 20 | 21 | 12 | 105 | 17 | 7.6 | 7 |
| August | 18 | 20 | 19 | 11 | 100 | 16 | 6.2 | 7 |
| September | 14 | 16 | 14 | 7 | 62 | 12 | 4.6 | 8 |
| October | 9 | 12 | 7 | 2 | 73 | 13 | 2.5 | 8 |
| November | 4 | 6 | 2 | -2 | 62 | 14 | 0.7 | 8 |
| December | Ice | — | -2 | -7 | 52 | 13 | 0.4 | 8 |
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 9 months before flowing out.
- Its catchment drains 2,756 km² of land.
- About 28 m³ of water flow out every second, on average.
- Its shoreline is 4.5 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Runn
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 21beaches and swimming spots
Strandbaden, Sandlandet, Källvikens badplats, Roxnäs, Främby udde and 16 more
- 3campsites
Torsångs camping, Främby Udde Camping och Stugby
- —boat hire and water-sport clubs
- 20marinas and slipways
Tylla, Ornäs Båtklubb, Falu Båtklubb, Stabergs Båtklubb, Strandhamnens Marina and 15 more
- 2ferry piers
Ångbåtsbryggan, Ångbåtsbrygga
- 7viewpoints
Stabergs Klack, Ängen and 5 more
- 1hotels, B&Bs and chalets
Kynakulle
- —fishing spots
- 19restaurants and cafés
Towns on the shore
- Falun37,291 people
- Ornäs1,083 people
Nearest airport with scheduled flights: Dala Airport (BLE), 19 km in a straight line.
Car hire at MXX airport (Mora)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 | -3.4 | -2.3 | 2.0 | 8.8 | 14.3 | 18.5 | 20.8 | 19.2 | 14.4 | 7.2 | 1.9 | -2.0 |
| 2020 | +6.3 | +4.7 | +1.8 | +0.2 | −2.3 | +4.1 | −2.8 | +1.7 | +0.6 | +0.8 | +3.3 | +2.4 |
| 2021 | −2.6 | −2.3 | +2.1 | −1.3 | −1.3 | +3.6 | +2.6 | −1.6 | −0.7 | +2.1 | −0.2 | −2.2 |
| 2022 | +1.7 | +1.8 | +3.3 | −1.0 | −0.2 | +2.1 | −0.6 | +1.6 | −0.9 | +2.7 | +1.6 | −3.1 |
| 2023 | +1.5 | +1.6 | −1.3 | −0.6 | +1.4 | +3.2 | −1.5 | −0.5 | +2.5 | −1.2 | −3.8 | −3.6 |
| 2024 | −1.8 | +0.5 | +1.2 | −2.3 | +4.6 | +0.7 | −0.7 | +0.4 | +1.4 | +2.4 | +1.0 | +1.9 |
| 2025 | +1.1 | +1.4 | +3.6 | +2.0 | −1.0 | −0.3 | +1.9 | −0.9 | +1.8 | +1.0 | +1.2 | +3.5 |
+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 (Q1146737) · 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.
