Lake Walen
Lake Walen is a Swiss lake (St. Gallen, Glarus) at 419 m, covering 24 km² with a maximum depth of 150 m. Typical winds: Föhn (starke Böen), Westwind, Bise. Main shores and access points: Walenstadt, Weesen, Quinten, Murg, Unterterzen, Mühlehorn. 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 Walen: 1991–2020 normals
In Lake Walen (419 m), the mean annual temperature is 10.0 °C. The warmest month is July (18.6 °C on average) and the coldest January (1.6 °C). About 1581 mm of precipitation falls per year, peaking in July (180 mm) with a minimum in April (100 mm). The sun shines for about 1313 hours a year, mostly in July (173 h). On average there are 96 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.0 °C and the absolute minimum −9.5 °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 | 1.6 °C | 12.9 °C | −9.5 °C | 118 | 61 | 23 | 0 |
| Feb | 2.1 °C | 14.4 °C | −9.0 °C | 101 | 70 | 20 | 0 |
| Mar | 5.6 °C | 18.2 °C | −5.2 °C | 121 | 94 | 13 | 0 |
| Apr | 9.3 °C | 21.9 °C | −1.6 °C | 100 | 135 | 4 | 0 |
| May | 13.4 °C | 26.4 °C | 2.9 °C | 140 | 153 | 0 | 4 |
| Jun | 16.9 °C | 29.8 °C | 6.7 °C | 160 | 162 | 0 | 10 |
| Jul | 18.6 °C | 31.0 °C | 9.1 °C | 180 | 173 | 0 | 14 |
| Aug | 18.4 °C | 30.3 °C | 8.6 °C | 178 | 161 | 0 | 12 |
| Sep | 14.5 °C | 25.8 °C | 5.0 °C | 131 | 107 | 0 | 2 |
| Oct | 10.8 °C | 22.8 °C | 0.7 °C | 108 | 85 | 2 | 0 |
| Nov | 5.9 °C | 18.8 °C | −4.4 °C | 110 | 59 | 11 | 0 |
| Dec | 2.5 °C | 14.1 °C | −8.1 °C | 134 | 53 | 22 | 0 |
| Year | 10.0 °C | 31.0 °C | −9.5 °C | 1581 | 1313 | 96 | 41 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Glarus (14 km, 517 m), Säntis (18 km, 2501 m), Ebnat-Kappel (18 km, 623 m), adjusted to the elevation of Lake Walen (419 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Swiss lakes
- Weather Lake Klöntal (19 km · 848 m)
- Weather Lake Cauma (34 km · 997 m)
- Weather Lake Zurich (40 km · 406 m)
- Weather Lake Pfäffikon (41 km · 537 m)
- Weather Lake Ägeri (44 km · 724 m)
- Weather Lake Greifen (47 km · 435 m)
Nearby municipalities
- Weather Walenstadt (4 km)
- Weather Amden (7 km)
- Weather Weesen (8 km)
- Weather Quarten (9 km)
- Weather Schänis (11 km)
- Weather Glarus Süd (14 km)
- Weather Glarus (14 km)
- Weather Glarus Nord (15 km)
Swiss lakes Weather Walenstadt
Frequently asked questions about the weather: Lake Walen
What is the wind like on Lake Walen today?
The “Wind on the lake” section shows hourly average wind speed, gusts and direction for the next 24 hours, computed over the lake (419 m).
Can you swim in Lake Walen?
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 Walen?
Characteristic winds: Föhn (starke Böen), Westwind, Bise. Storm warnings on Swiss lakes are signalled by flashing lights (40 flashes/min = caution, 90 = storm).
What is the warmest month in Lake Walen?
The warmest month in Lake Walen is July, averaging 18.6 °C (1991–2020 normal). The coldest is January at 1.6 °C.
How much does it rain in Lake Walen per year?
Lake Walen receives about 1581 mm of precipitation a year. The wettest month is July (180 mm), the driest April (100 mm).
When is the best time to visit Lake Walen?
For warmth and sunshine: July (18.6 °C on average, 173 h of sun). The coldest month is January (1.6 °C). Check the 15-day forecast above for your dates.