Lake Gruyère
Lake Gruyère is a Swiss lake (Fribourg) at 677 m, covering 9.6 km² with a maximum depth of 75 m. Typical winds: bise, vent d'ouest. Main shores and access points: Morlon, Broc, Pont-la-Ville, Rossens, île d'Ogoz, Gumefens. 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 Gruyère: 1991–2020 normals
In Lake Gruyère (677 m), the mean annual temperature is 9.2 °C. The warmest month is July (18.4 °C on average) and the coldest January (0.6 °C). About 1005 mm of precipitation falls per year, peaking in May (114 mm) with a minimum in February (50 mm). The sun shines for about 1832 hours a year, mostly in July (254 h). On average there are 93 frost days and 8 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.9 °C and the absolute minimum −10.3 °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 | 0.6 °C | 11.8 °C | −10.3 °C | 52 | 60 | 22 | 0 |
| Feb | 1.3 °C | 13.4 °C | −9.9 °C | 50 | 95 | 20 | 0 |
| Mar | 5.0 °C | 17.7 °C | −5.8 °C | 60 | 158 | 14 | 0 |
| Apr | 8.5 °C | 21.7 °C | −2.6 °C | 76 | 187 | 5 | 0 |
| May | 12.7 °C | 26.0 °C | 1.4 °C | 114 | 208 | 0 | 3 |
| Jun | 16.4 °C | 29.3 °C | 5.3 °C | 108 | 235 | 0 | 10 |
| Jul | 18.4 °C | 30.9 °C | 7.7 °C | 112 | 254 | 0 | 15 |
| Aug | 18.0 °C | 30.2 °C | 7.0 °C | 112 | 236 | 0 | 14 |
| Sep | 13.7 °C | 25.4 °C | 3.3 °C | 88 | 179 | 0 | 4 |
| Oct | 9.5 °C | 21.0 °C | −1.1 °C | 91 | 113 | 2 | 0 |
| Nov | 4.5 °C | 15.7 °C | −5.3 °C | 72 | 61 | 10 | 0 |
| Dec | 1.3 °C | 12.2 °C | −8.7 °C | 68 | 46 | 20 | 0 |
| Year | 9.2 °C | 30.9 °C | −10.3 °C | 1005 | 1832 | 93 | 47 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Fribourg / Grangeneuve (8 km, 651 m), Plaffeien (14 km, 1042 m), Payerne (17 km, 490 m), adjusted to the elevation of Lake Gruyère (677 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Swiss lakes
- Weather Schwarzsee (Lac Noir) (14 km · 1046 m)
- Weather Lake Murten (26 km · 429 m)
- Weather Lake Neuchâtel (29 km · 429 m)
- Weather Lake Biel (43 km · 429 m)
- Weather Lake Tanay (45 km · 1408 m)
- Weather Lake Thun (47 km · 558 m)
Nearby municipalities
- Weather Pont-la-Ville (1 km)
- Weather Pont-en-Ogoz (3 km)
- Weather Hauteville (4 km)
- Weather Corbières (4 km)
- Weather Sorens (5 km)
- Weather La Roche (5 km)
- Weather Gibloux (5 km)
- Weather Treyvaux (6 km)
Swiss lakes Weather Pont-la-Ville
Frequently asked questions about the weather: Lake Gruyère
What is the wind like on Lake Gruyère today?
The “Wind on the lake” section shows hourly average wind speed, gusts and direction for the next 24 hours, computed over the lake (677 m).
Can you swim in Lake Gruyère?
In summer (June to September) lowland lakes usually reach 18–24 °C at the surface; there are many public beaches and lidos. Check the air temperature, sunshine and UV index above to pick your slot.
What are the typical winds on Lake Gruyère?
Characteristic winds: bise, vent d'ouest. Storm warnings on Swiss lakes are signalled by flashing lights (40 flashes/min = caution, 90 = storm).
What is the warmest month in Lake Gruyère?
The warmest month in Lake Gruyère is July, averaging 18.4 °C (1991–2020 normal). The coldest is January at 0.6 °C.
How much does it rain in Lake Gruyère per year?
Lake Gruyère receives about 1005 mm of precipitation a year. The wettest month is May (114 mm), the driest February (50 mm).
When is the best time to visit Lake Gruyère?
For warmth and sunshine: July (18.4 °C on average, 254 h of sun). The coldest month is January (0.6 °C). Check the 15-day forecast above for your dates.