Lucerne, 504 m · continuously updated
Lake water: 11.1 °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 Sempach: fog, 0 to 6 °C, precipitation 0.0 mm (0 %), wind up to 6 km/h. Tomorrow: showers, 1 to 11 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | fog | 0 °C | 6 °C | 0.0 mm | 6 km/h |
| Tomorrow | showers | 1 °C | 11 °C | 2.6 mm | 8 km/h |
| Mon 16 Nov | showers | 7 °C | 11 °C | 6.8 mm | 29 km/h |
| Tue 17 Nov | light rain | 7 °C | 16 °C | 4.2 mm | 37 km/h |
| Wed 18 Nov | showers | 11 °C | 13 °C | 1.8 mm | 40 km/h |
| Thu 19 Nov | light rain | 9 °C | 14 °C | 4.5 mm | 33 km/h |
| Fri 20 Nov | light rain | 2 °C | 9 °C | 5.1 mm | 40 km/h |
No rain expected today in Lake Sempach. Tomorrow: rain from 05:00 to 10:00. The 15-minute detail for the next two hours is shown on demand.
Saturday 14 Nov in Lake Sempach, hour by hour: fog in the morning, sunny in the afternoon, partly cloudy in the evening. Low 0 °C around 08:00, high 6 °C around 16:00. No rainy hour.
| Time | Weather | Temp. | Precip. | Wind |
|---|---|---|---|---|
| 00:00 | sunny | 2 °C | 0.0 mm | 3 km/h |
| 01:00 | sunny | 2 °C | 0.0 mm | 3 km/h |
| 02:00 | mostly sunny | 1 °C | 0.0 mm | 3 km/h |
| 03:00 | sunny | 1 °C | 0.0 mm | 3 km/h |
| 04:00 | sunny | 0 °C | 0.0 mm | 2 km/h |
| 05:00 | fog | 0 °C | 0.0 mm | 2 km/h |
| 06:00 | fog | 0 °C | 0.0 mm | 4 km/h |
| 07:00 | fog | 0 °C | 0.0 mm | 2 km/h |
| 08:00 | fog | 0 °C | 0.0 mm | 4 km/h |
| 09:00 | fog | 1 °C | 0.0 mm | 3 km/h |
| 10:00 | partly cloudy | 2 °C | 0.0 mm | 4 km/h |
| 11:00 | overcast | 3 °C | 0.0 mm | 6 km/h |
| 12:00 | overcast | 4 °C | 0.0 mm | 6 km/h |
| 13:00 | partly cloudy | 5 °C | 0.0 mm | 5 km/h |
| 14:00 | mostly sunny | 5 °C | 0.0 mm | 4 km/h |
| 15:00 | sunny | 6 °C | 0.0 mm | 4 km/h |
| 16:00 | sunny | 6 °C | 0.0 mm | 6 km/h |
| 17:00 | sunny | 5 °C | 0.0 mm | 6 km/h |
| 18:00 | sunny | 4 °C | 0.0 mm | 5 km/h |
| 19:00 | partly cloudy | 3 °C | 0.0 mm | 5 km/h |
| 20:00 | fog | 3 °C | 0.0 mm | 3 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 3 km/h |
| 22:00 | partly cloudy | 2 °C | 0.0 mm | 3 km/h |
| 23:00 | fog | 2 °C | 0.0 mm | 3 km/h |
Today, Saturday 14 Nov in Lake Sempach: fog, 0 to 6 °C, wind up to 6 km/h. No precipitation expected.
Tomorrow, Sunday 15 Nov, in Lake Sempach: showers, 1 to 11 °C, wind up to 8 km/h. Precipitation expected: 2.6 mm, 37 % probability.
Today in Lake Sempach (504 m): 0 to 6 °C. Tomorrow: 1 to 11 °C. Over the next 7 days, highs range from 6 to 16 °C, averaging 12 °C.
This weekend in Lake Sempach: Saturday fog, 0 to 6 °C; Sunday showers, 1 to 11 °C.
Yes: 6 days with precipitation are expected in Lake Sempach over the next 7 days, 25.0 mm in total. Wettest day: Monday 16 Nov (6.8 mm).
Today in Lake Sempach (504 m), the UV index peaks at 2 (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 Sempach: Saturday 14 Nov, fog, up to 6 °C.
In Lake Sempach (504 m), the mean annual temperature is 10.4 °C. The warmest month is July (18.9 °C on average) and the coldest January (2.8 °C). About 1236 mm of precipitation falls per year, peaking in July (137 mm) with a minimum in January (79 mm). The sun shines for about 1530 hours a year, mostly in July (209 h). On average there are 76 frost days and 9 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.4 °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 | 2.8 °C | 13.6 °C | −6.9 °C | 79 | 51 | 21 | 0 |
| Feb | 2.9 °C | 14.6 °C | −6.9 °C | 80 | 80 | 19 | 0 |
| Mar | 6.0 °C | 18.0 °C | −4.4 °C | 87 | 133 | 10 | 0 |
| Apr | 9.3 °C | 21.6 °C | −1.0 °C | 100 | 162 | 2 | 1 |
| May | 13.4 °C | 25.8 °C | 3.5 °C | 129 | 173 | 0 | 4 |
| Jun | 16.9 °C | 29.2 °C | 7.3 °C | 135 | 187 | 0 | 12 |
| Jul | 18.9 °C | 30.4 °C | 10.0 °C | 137 | 209 | 0 | 16 |
| Aug | 18.7 °C | 29.8 °C | 9.3 °C | 137 | 198 | 0 | 14 |
| Sep | 14.9 °C | 25.4 °C | 5.9 °C | 93 | 146 | 0 | 3 |
| Oct | 11.3 °C | 22.4 °C | 1.6 °C | 80 | 99 | 1 | 0 |
| Nov | 6.6 °C | 17.9 °C | −2.7 °C | 83 | 53 | 7 | 0 |
| Dec | 3.6 °C | 14.4 °C | −6.1 °C | 96 | 39 | 18 | 0 |
| Year | 10.4 °C | 30.4 °C | −6.9 °C | 1236 | 1530 | 76 | 50 |
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.
Characteristic winds: Westwind, Bise. Storm warnings on Swiss lakes are signalled by flashing lights (40 flashes/min = caution, 90 = storm).
The warmest month in Lake Sempach is July, averaging 18.9 °C (1991–2020 normal). The coldest is January at 2.8 °C.
Lake Sempach receives about 1236 mm of precipitation a year. The wettest month is July (137 mm), the driest January (79 mm).
For warmth and sunshine: July (18.9 °C on average, 209 h of sun). The coldest month is January (2.8 °C). Check the 15-day forecast above for your dates.
Source: MeteoSwiss open data (1991–2020 normals) — stations Luzern (16 km, 454 m), Pilatus (20 km, 2105 m), Napf (22 km, 1404 m), adjusted to the elevation of Lake Sempach (504 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.