Lake · Switzerland
Lake Sils
Lake in Grisons, Switzerland
- Area
- 3.8km²
- Max depth
- 71m
- Average depth
- 21m
- Elevation
- 1,795m a.s.l.
- Shoreline
- 14km
- Volume
- 0.078km³
Lake Sils is a lake in Switzerland. It covers 3.8 km². On average it is 21 m deep, and 71 m at its deepest point. Its surface lies 1,795 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Sils?
The water is warmest in August, around 16 °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 114 days a year, from around 17 December to 9 April.
On the shore, afternoons reach 16 °C on average in July and -6 °C in January. The driest month is February (47 mm of rain), the wettest August (144 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (122 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 | -15 | 55 | 11 | 4.4 | 7 |
| February | Ice | — | -5 | -15 | 47 | 10 | 5.6 | 8 |
| March | Ice | — | -2 | -10 | 61 | 12 | 6.6 | 7 |
| April | 1 | 4 | 4 | -5 | 81 | 15 | 6.1 | 7 |
| May | 7 | 10 | 9 | 0 | 120 | 19 | 6.1 | 8 |
| June | 12 | 15 | 14 | 4 | 129 | 19 | 7.5 | 7 |
| July | 16 | 17 | 16 | 6 | 129 | 20 | 8.1 | 7 |
| August | 16 | 17 | 15 | 6 | 144 | 19 | 7.3 | 6 |
| September | 14 | 15 | 11 | 2 | 99 | 15 | 6.3 | 6 |
| October | 10 | 12 | 7 | -2 | 99 | 14 | 5.1 | 6 |
| November | 6 | 8 | 0 | -7 | 102 | 13 | 3.6 | 7 |
| December | 1 | 3 | -4 | -13 | 65 | 12 | 3.7 | 7 |
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 11 months before flowing out.
- Its catchment drains 73 km² of land.
- About 2.6 m³ of water flow out every second, on average.
Around the shore
What's around Lake Sils
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- 1campsites
Plan Curtinac
- 4boat hire and water-sport clubs
Plan di Mort, Halbinsel Sasc da Corn 2, Hotel Cristallina, Halbinsel Sasc da Corn 1
- 1marinas and slipways
- 5ferry piers
Chastè, Maloja (See), Plaun da Lej (See), Isola (See), Sils/Segl Maria Barchiröls
- 8viewpoints
Marmorè and 7 more
- 26hotels, B&Bs and chalets
Pöstli, Hotel Sonne, Lagrev, Hotel Seraina, Chesa Pool and 21 more
- —fishing spots
- 13restaurants and cafés
Nearest airport with scheduled flights: Lugano Airport (LUG), 79 km in a straight line.
Car hire at BGY airport (Orio al Serio)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 | -5.6 | -4.8 | -1.5 | 3.6 | 9.2 | 14.0 | 15.9 | 15.3 | 11.4 | 6.7 | 0.2 | -4.5 |
| 2020 | +2.1 | +2.0 | ±0.0 | +2.4 | +1.4 | −1.4 | +0.8 | +0.8 | +1.0 | −2.5 | +3.9 | −0.2 |
| 2021 | −1.7 | +2.6 | −1.0 | −3.2 | −2.5 | +0.9 | −0.5 | −0.9 | +1.8 | −0.8 | −0.5 | +0.9 |
| 2022 | +0.8 | +1.1 | +1.3 | +1.3 | +2.4 | +2.3 | +2.2 | +1.9 | −1.1 | +3.2 | +0.5 | +1.3 |
| 2023 | +0.2 | +1.8 | +2.8 | −0.4 | −0.1 | +1.1 | +0.7 | +1.0 | +3.8 | +3.0 | −2.1 | +2.3 |
| 2024 | +1.9 | +3.6 | +1.2 | −1.8 | −0.9 | −0.6 | +1.5 | +2.7 | −1.6 | +1.1 | +2.3 | +2.0 |
| 2025 | +1.9 | +2.5 | +1.6 | +2.9 | +0.2 | +3.9 | −1.2 | +1.0 | +0.6 | −0.3 | −0.2 | +2.6 |
+1 warmer than usual −1 cooler than usual
Nearby
More lakes nearby
ItalyAbout 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 (Q14512) · 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.
