Schwarzsee (Lac Noir)
Schwarzsee (Lac Noir) is a Swiss lake (Fribourg) at 1046 m, covering 0.47 km² with a maximum depth of 10 m. Typical winds: bise, vents thermiques. Main shores and access points: Schwarzsee, Plaffeien, Gypsera, Kaiseregg. 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 Schwarzsee (Lac Noir): 1991–2020 normals
In Schwarzsee (Lac Noir) (1046 m), the mean annual temperature is 7.3 °C. The warmest month is July (16.2 °C on average) and the coldest January (−0.8 °C). About 1190 mm of precipitation falls per year, peaking in August (142 mm) with a minimum in February (55 mm). The sun shines for about 1858 hours a year, mostly in July (237 h). On average there are 109 frost days and 1 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 27.8 °C and the absolute minimum −11.8 °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 | −0.8 °C | 10.4 °C | −11.8 °C | 59 | 98 | 24 | 0 |
| Feb | −0.4 °C | 11.1 °C | −11.3 °C | 55 | 113 | 21 | 0 |
| Mar | 3.1 °C | 15.1 °C | −7.7 °C | 68 | 152 | 16 | 0 |
| Apr | 6.4 °C | 18.9 °C | −4.2 °C | 87 | 168 | 8 | 0 |
| May | 10.5 °C | 23.1 °C | 0.1 °C | 140 | 183 | 1 | 0 |
| Jun | 14.2 °C | 26.6 °C | 3.7 °C | 133 | 213 | 0 | 3 |
| Jul | 16.2 °C | 27.8 °C | 6.6 °C | 140 | 237 | 0 | 5 |
| Aug | 15.9 °C | 27.3 °C | 5.8 °C | 142 | 221 | 0 | 5 |
| Sep | 11.8 °C | 22.4 °C | 2.4 °C | 107 | 169 | 0 | 0 |
| Oct | 7.9 °C | 18.8 °C | −2.0 °C | 102 | 128 | 4 | 0 |
| Nov | 3.0 °C | 14.3 °C | −6.9 °C | 78 | 91 | 13 | 0 |
| Dec | 0.1 °C | 10.8 °C | −10.3 °C | 79 | 85 | 21 | 0 |
| Year | 7.3 °C | 27.8 °C | −11.8 °C | 1190 | 1858 | 109 | 14 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Plaffeien (9 km, 1042 m), Fribourg / Grangeneuve (17 km, 651 m), Château-d'Oex (24 km, 1028 m), adjusted to the elevation of Schwarzsee (Lac Noir) (1046 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Swiss lakes
- Weather Lake Gruyère (14 km · 677 m)
- Weather Lake Murten (33 km · 429 m)
- Weather Lake Thun (34 km · 558 m)
- Weather Blausee (34 km · 887 m)
- Weather Lake Oeschinen (39 km · 1578 m)
- Weather Lake Neuchâtel (42 km · 429 m)
Nearby municipalities
- Weather Plasselb (2 km)
- Weather Plaffeien (6 km)
- Weather Val-de-Charmey (8 km)
- Weather Guggisberg (8 km)
- Weather La Roche (9 km)
- Weather Brünisried (10 km)
- Weather Giffers (10 km)
- Weather Hauteville (11 km)
Frequently asked questions about the weather: Schwarzsee (Lac Noir)
What is the wind like on Schwarzsee (Lac Noir) today?
The “Wind on the lake” section shows hourly average wind speed, gusts and direction for the next 24 hours, computed over the lake (1046 m).
Can you swim in Schwarzsee (Lac Noir)?
At 1046 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 Schwarzsee (Lac Noir)?
Characteristic winds: bise, vents thermiques. Storm warnings on Swiss lakes are signalled by flashing lights (40 flashes/min = caution, 90 = storm).
What is the warmest month in Schwarzsee (Lac Noir)?
The warmest month in Schwarzsee (Lac Noir) is July, averaging 16.2 °C (1991–2020 normal). The coldest is January at −0.8 °C.
How much does it rain in Schwarzsee (Lac Noir) per year?
Schwarzsee (Lac Noir) receives about 1190 mm of precipitation a year. The wettest month is August (142 mm), the driest February (55 mm).
When is the best time to visit Schwarzsee (Lac Noir)?
For warmth and sunshine: July (16.2 °C on average, 237 h of sun). The coldest month is January (−0.8 °C). Check the 15-day forecast above for your dates.
