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Graubünden, 1791 m · continuously updated
Lake water: 6.3 °C at the surface Simstrat model · Alplakes, Eawag · 14.11. 11h
Temperature · last 4 and next 28 hours
Updated hourly.
Two-week trend.
Sunrise –, golden light until –
Sunset –, golden light from –
–
European index, measured continuously.
Daily maximum — protection advised from 3.
Snow settles about 300 m below it.
Neighbouring municipalities, as the crow flies.
Today (Saturday 14 Nov) in Lake Silvaplana: overcast, −2 to 2 °C, precipitation 0.0 mm (0 %), wind up to 17 km/h. Tomorrow: snow showers, −1 to 2 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | −2 °C | 2 °C | 0.0 mm | 17 km/h |
| Tomorrow | snow showers | −1 °C | 2 °C | 0.0 mm | 22 km/h |
| Mon 16 Nov | rain | −1 °C | 2 °C | 3.8 mm | 18 km/h |
| Tue 17 Nov | light rain | 0 °C | 4 °C | 1.7 mm | 26 km/h |
| Wed 18 Nov | rain | 0 °C | 3 °C | 2.1 mm | 20 km/h |
| Thu 19 Nov | light snow | −1 °C | 3 °C | 0.6 mm | 15 km/h |
| Fri 20 Nov | light snow | −9 °C | 0 °C | 0.9 mm | 17 km/h |
No rain expected in Lake Silvaplana today or tomorrow. The 15-minute detail for the next two hours is shown on demand.
Saturday 14 Nov in Lake Silvaplana, hour by hour: sunny in the morning, sunny in the afternoon, overcast in the evening. Low −2 °C around 06:00, high 2 °C around 14:00. No rainy hour.
| Time | Weather | Temp. | Precip. | Wind |
|---|---|---|---|---|
| 00:00 | sunny | −2 °C | 0.0 mm | 4 km/h |
| 01:00 | sunny | −2 °C | 0.0 mm | 3 km/h |
| 02:00 | sunny | −2 °C | 0.0 mm | 4 km/h |
| 03:00 | sunny | −1 °C | 0.0 mm | 3 km/h |
| 04:00 | sunny | −1 °C | 0.0 mm | 3 km/h |
| 05:00 | sunny | −2 °C | 0.0 mm | 3 km/h |
| 06:00 | sunny | −2 °C | 0.0 mm | 2 km/h |
| 07:00 | sunny | −2 °C | 0.0 mm | 4 km/h |
| 08:00 | sunny | −2 °C | 0.0 mm | 2 km/h |
| 09:00 | sunny | −2 °C | 0.0 mm | 3 km/h |
| 10:00 | sunny | 0 °C | 0.0 mm | 2 km/h |
| 11:00 | sunny | 1 °C | 0.0 mm | 10 km/h |
| 12:00 | sunny | 1 °C | 0.0 mm | 13 km/h |
| 13:00 | mostly sunny | 2 °C | 0.0 mm | 14 km/h |
| 14:00 | sunny | 2 °C | 0.0 mm | 11 km/h |
| 15:00 | sunny | 2 °C | 0.0 mm | 12 km/h |
| 16:00 | mostly sunny | 1 °C | 0.0 mm | 13 km/h |
| 17:00 | mostly sunny | 0 °C | 0.0 mm | 12 km/h |
| 18:00 | mostly sunny | 0 °C | 0.0 mm | 12 km/h |
| 19:00 | partly cloudy | 0 °C | 0.0 mm | 11 km/h |
| 20:00 | overcast | 0 °C | 0.0 mm | 10 km/h |
| 21:00 | overcast | −1 °C | 0.0 mm | 15 km/h |
| 22:00 | overcast | −1 °C | 0.0 mm | 17 km/h |
| 23:00 | overcast | −1 °C | 0.0 mm | 16 km/h |
Today, Saturday 14 Nov in Lake Silvaplana: overcast, −2 to 2 °C, wind up to 17 km/h. No precipitation expected.
Tomorrow, Sunday 15 Nov, in Lake Silvaplana: snow showers, −1 to 2 °C, wind up to 22 km/h. No precipitation expected.
Today in Lake Silvaplana (1791 m): −2 to 2 °C. Tomorrow: −1 to 2 °C. Over the next 7 days, highs range from 0 to 4 °C, averaging 2 °C.
This weekend in Lake Silvaplana: Saturday overcast, −2 to 2 °C; Sunday snow showers, −1 to 2 °C.
Yes: 3 days with precipitation are expected in Lake Silvaplana over the next 7 days, 9.1 mm in total. Wettest day: Monday 16 Nov (3.8 mm).
Today in Lake Silvaplana (1791 m), the UV index peaks at 3 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.
The best day of the next 7 in Lake Silvaplana: Saturday 14 Nov, overcast, up to 2 °C.
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 |
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.
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).
The warmest month in Lake Silvaplana is July, averaging 11.6 °C (1991–2020 normal). The coldest is January at −5.7 °C.
Lake Silvaplana receives about 880 mm of precipitation a year. The wettest month is August (110 mm), the driest February (32 mm).
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.
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.