Lake Silvaplana
Lake Silvaplana is a Swiss lake (Graubünden) at 1791 m, covering 2.7 km² with a maximum depth of 77 m. Typical winds: Malojawind (SW, 13–17 h), Kitesurf/Windsurf. Main shores and access points: Silvaplana, Surlej, Champfèr, Sils. The weather above is computed over the middle of the lake; the “Wind on the lake” section details hourly speed, gusts and direction — for sailing, windsurfing, paddling, fishing or swimming.
Climate of Lake Silvaplana: 1991–2020 normals
In Lake Silvaplana (1791 m), the mean annual temperature is 2.8 °C. The warmest month is July (11.6 °C on average) and the coldest January (−5.7 °C). About 880 mm of precipitation falls per year, peaking in August (110 mm) with a minimum in February (32 mm). The sun shines for about 1766 hours a year, mostly in July (199 h). On average there are 205 frost days per year. The mean monthly maximum reaches 21.7 °C and the absolute minimum −19.9 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | −5.7 °C | 5.8 °C | −19.4 °C | 44 | 120 | 31 | 0 |
| Feb | −5.4 °C | 7.4 °C | −19.9 °C | 32 | 121 | 28 | 0 |
| Mar | −2.2 °C | 9.4 °C | −16.4 °C | 42 | 147 | 30 | 0 |
| Apr | 1.2 °C | 11.8 °C | −11.2 °C | 58 | 150 | 25 | 0 |
| May | 5.7 °C | 16.4 °C | −4.3 °C | 82 | 164 | 10 | 0 |
| Jun | 9.6 °C | 20.6 °C | −0.4 °C | 99 | 186 | 2 | 0 |
| Jul | 11.6 °C | 21.7 °C | 1.6 °C | 95 | 199 | 0 | 0 |
| Aug | 11.6 °C | 21.4 °C | 1.5 °C | 110 | 181 | 0 | 0 |
| Sep | 7.9 °C | 17.9 °C | −2.1 °C | 83 | 155 | 4 | 0 |
| Oct | 4.2 °C | 14.9 °C | −6.8 °C | 93 | 138 | 18 | 0 |
| Nov | −0.6 °C | 10.9 °C | −12.5 °C | 91 | 103 | 26 | 0 |
| Dec | −4.1 °C | 6.4 °C | −16.6 °C | 52 | 102 | 31 | 0 |
| Year | 2.8 °C | 21.7 °C | −19.9 °C | 880 | 1766 | 205 | 1 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Segl-Maria (3 km, 1804 m), Piz Corvatsch (4 km, 3294 m), Samedan (11 km, 1709 m), adjusted to the elevation of Lake Silvaplana (1791 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Swiss lakes
- Weather Lake Sils (6 km · 1797 m)
- Weather Lake St. Moritz (6 km · 1768 m)
- Weather Lake Poschiavo (29 km · 962 m)
- Weather Lake Davos (41 km · 1560 m)
- Weather Lake Cauma (56 km · 997 m)
- Weather Lake Lugano (82 km · 271 m)
Nearby municipalities
- Weather Sils im Engadin/Segl (2 km)
- Weather Silvaplana (3 km)
- Weather St. Moritz (5 km)
- Weather Celerina/Schlarigna (8 km)
- Weather Bever (10 km)
- Weather Samedan (10 km)
- Weather Pontresina (11 km)
- Weather La Punt Chamues-ch (16 km)
Swiss lakes Weather Sils im Engadin/Segl
Frequently asked questions about the weather: Lake Silvaplana
What is the wind like on Lake Silvaplana today?
The “Wind on the lake” section shows hourly average wind speed, gusts and direction for the next 24 hours, computed over the lake (1791 m).
Can you swim in Lake Silvaplana?
At 1791 m the water stays cold all year (often below 15 °C in summer): swimming is for the brave, mostly in July–August. Check the air temperature, sunshine and UV index above to pick your slot.
What are the typical winds on Lake Silvaplana?
Characteristic winds: Malojawind (SW, 13–17 h), Kitesurf/Windsurf. Storm warnings on Swiss lakes are signalled by flashing lights (40 flashes/min = caution, 90 = storm).
What is the warmest month in Lake Silvaplana?
The warmest month in Lake Silvaplana is July, averaging 11.6 °C (1991–2020 normal). The coldest is January at −5.7 °C.
How much does it rain in Lake Silvaplana per year?
Lake Silvaplana receives about 880 mm of precipitation a year. The wettest month is August (110 mm), the driest February (32 mm).
When is the best time to visit Lake Silvaplana?
For warmth and sunshine: July (11.6 °C on average, 199 h of sun). The coldest month is January (−5.7 °C). Check the 15-day forecast above for your dates.