Lake Lucerne
Lake Lucerne is a Swiss lake (Lucerne, Nidwalden, Obwalden, Schwyz, Uri) at 434 m, covering 114 km² with a maximum depth of 214 m. Typical winds: Föhn (S), Bise (NE), Westwind. Main shores and access points: Luzern, Weggis, Vitznau, Brunnen, Flüelen, Beckenried, Buochs, Gersau. 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 Lucerne: 1991–2020 normals
In Lake Lucerne (434 m), the mean annual temperature is 10.7 °C. The warmest month is July (19.2 °C on average) and the coldest January (2.6 °C). About 1205 mm of precipitation falls per year, peaking in August (141 mm) with a minimum in February (76 mm). The sun shines for about 1493 hours a year, mostly in July (199 h). On average there are 77 frost days and 9 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.0 °C and the absolute minimum −6.9 °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 | 2.6 °C | 13.8 °C | −6.8 °C | 76 | 50 | 21 | 0 |
| Feb | 3.0 °C | 14.8 °C | −6.9 °C | 76 | 80 | 19 | 0 |
| Mar | 6.4 °C | 18.9 °C | −4.2 °C | 82 | 130 | 10 | 0 |
| Apr | 9.9 °C | 22.4 °C | −0.8 °C | 96 | 159 | 2 | 0 |
| May | 13.9 °C | 26.7 °C | 3.7 °C | 122 | 169 | 0 | 4 |
| Jun | 17.4 °C | 30.0 °C | 7.6 °C | 135 | 181 | 0 | 11 |
| Jul | 19.2 °C | 31.0 °C | 10.2 °C | 136 | 199 | 0 | 16 |
| Aug | 19.0 °C | 30.3 °C | 9.5 °C | 141 | 189 | 0 | 14 |
| Sep | 15.2 °C | 26.0 °C | 6.0 °C | 93 | 143 | 0 | 3 |
| Oct | 11.4 °C | 22.7 °C | 1.6 °C | 77 | 101 | 1 | 0 |
| Nov | 6.5 °C | 18.2 °C | −2.8 °C | 81 | 54 | 7 | 0 |
| Dec | 3.4 °C | 14.7 °C | −6.2 °C | 91 | 38 | 18 | 0 |
| Year | 10.7 °C | 31.0 °C | −6.9 °C | 1205 | 1493 | 77 | 49 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Luzern (12 km, 454 m), Pilatus (15 km, 2105 m), Altdorf (18 km, 438 m), adjusted to the elevation of Lake Lucerne (434 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Swiss lakes
- Weather Lake Zug (15 km · 413 m)
- Weather Lake Ägeri (19 km · 724 m)
- Weather Lake Sarnen (23 km · 469 m)
- Weather Lake Sempach (28 km · 504 m)
- Weather Lake Lungern (32 km · 689 m)
- Weather Lake Zurich (34 km · 406 m)
Nearby municipalities
- Weather Vitznau (4 km)
- Weather Weggis (5 km)
- Weather Ennetbürgen (5 km)
- Weather Buochs (5 km)
- Weather Greppen (6 km)
- Weather Gersau (6 km)
- Weather Oberdorf (NW) (7 km)
- Weather Stans (8 km)
Frequently asked questions about the weather: Lake Lucerne
What is the wind like on Lake Lucerne today?
The “Wind on the lake” section shows hourly average wind speed, gusts and direction for the next 24 hours, computed over the lake (434 m).
Can you swim in Lake Lucerne?
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 Lucerne?
Characteristic winds: Föhn (S), Bise (NE), Westwind. Storm warnings on Swiss lakes are signalled by flashing lights (40 flashes/min = caution, 90 = storm).
What is the warmest month in Lake Lucerne?
The warmest month in Lake Lucerne is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 2.6 °C.
How much does it rain in Lake Lucerne per year?
Lake Lucerne receives about 1205 mm of precipitation a year. The wettest month is August (141 mm), the driest February (76 mm).
When is the best time to visit Lake Lucerne?
For warmth and sunshine: July (19.2 °C on average, 199 h of sun). The coldest month is January (2.6 °C). Check the 15-day forecast above for your dates.