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Weather in Ermensee

Lucerne, 472 m · continuously updated

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Wind
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Humidity
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Rain ahead
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Sunset
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Temperature · last 4 and next 28 hours

Ermensee weather: the next 24 hours

Updated hourly.

Ermensee weather hour by hour (48 h)

Ermensee 15-day forecast

Two-week trend.

Ermensee weekend weatherRain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Ermensee

Neighbouring municipalities, as the crow flies.

7-day forecast for Ermensee

Today (Saturday 14 Nov) in Ermensee: fog, −2 to 5 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: light rain, 1 to 12 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog−2 °C5 °C0.0 mm7 km/h
Tomorrowlight rain1 °C12 °C2.5 mm8 km/h
Mon 16 Novshowers8 °C11 °C9.4 mm30 km/h
Tue 17 Novlight rain8 °C16 °C4.0 mm38 km/h
Wed 18 Novshowers11 °C13 °C3.3 mm37 km/h
Thu 19 Novlight rain9 °C15 °C5.1 mm33 km/h
Fri 20 Novlight rain1 °C9 °C4.2 mm34 km/h

Forecast updated on 14.11.2026 at 11:34 (Open-Meteo model, elevation 472 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Ermensee. Tomorrow: rain from 06:00 to 10:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Ermensee

Saturday 14 Nov in Ermensee, hour by hour: mostly sunny in the morning, mostly sunny in the afternoon, fog in the evening. Low −2 °C around 07:00, high 5 °C around 15:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny0 °C0.0 mm7 km/h
01:00sunny0 °C0.0 mm7 km/h
02:00sunny0 °C0.0 mm6 km/h
03:00sunny0 °C0.0 mm7 km/h
04:00sunny−1 °C0.0 mm6 km/h
05:00mostly sunny−1 °C0.0 mm6 km/h
06:00mostly sunny−1 °C0.0 mm5 km/h
07:00mostly sunny−2 °C0.0 mm3 km/h
08:00mostly sunny−2 °C0.0 mm3 km/h
09:00mostly sunny−1 °C0.0 mm4 km/h
10:00mostly sunny1 °C0.0 mm1 km/h
11:00overcast2 °C0.0 mm0 km/h
12:00overcast3 °C0.0 mm1 km/h
13:00partly cloudy4 °C0.0 mm1 km/h
14:00partly cloudy5 °C0.0 mm1 km/h
15:00mostly sunny5 °C0.0 mm0 km/h
16:00mostly sunny5 °C0.0 mm1 km/h
17:00mostly sunny4 °C0.0 mm1 km/h
18:00mostly sunny4 °C0.0 mm0 km/h
19:00partly cloudy3 °C0.0 mm1 km/h
20:00fog3 °C0.0 mm4 km/h
21:00fog2 °C0.0 mm5 km/h
22:00fog2 °C0.0 mm4 km/h
23:00overcast2 °C0.0 mm2 km/h

Hourly forecast issued 14.11.2026 for Ermensee (472 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Ermensee

Today, Saturday 14 Nov in Ermensee: fog, −2 to 5 °C, wind up to 7 km/h. No precipitation expected. That is 3.1 °C below the climate normal for November in Ermensee (4.9 °C average over 1991-2020).

Ermensee weather tomorrow

Tomorrow, Sunday 15 Nov, in Ermensee: light rain, 1 to 12 °C, wind up to 8 km/h. Precipitation expected: 2.5 mm, 37 % probability.

What is the temperature in Ermensee?

Today in Ermensee (472 m): −2 to 5 °C. Tomorrow: 1 to 12 °C. Over the next 7 days, highs range from 5 to 16 °C, averaging 12 °C.

Ermensee weekend weather

This weekend in Ermensee: Saturday fog, −2 to 5 °C; Sunday light rain, 1 to 12 °C.

Will it rain in Ermensee this week?

Yes: 6 days with precipitation are expected in Ermensee over the next 7 days, 28.5 mm in total. Wettest day: Monday 16 Nov (9.4 mm).

What is the UV index in Ermensee?

Today in Ermensee (472 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 to go out in Ermensee

The best day of the next 7 in Ermensee: Saturday 14 Nov, fog, up to 5 °C.

Climate of Ermensee: 1991–2020 normals

In Ermensee (472 m), the mean annual temperature is 9.9 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.0 °C). About 1082 mm of precipitation falls per year, peaking in August (134 mm) with a minimum in February (55 mm). The sun shines for about 1539 hours a year, mostly in July (217 h). On average there are 76 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.1 °C and the absolute minimum −8.2 °C.

9.9 °CMean annual temperature
1082 mmPrecipitation per year
1539 hSunshine hours per year
76Frost days per year
53Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan1.0 °C11.6 °C−8.2 °C5646200
Feb1.8 °C13.6 °C−7.9 °C5577180
Mar5.8 °C19.0 °C−4.7 °C62133100
Apr9.8 °C23.4 °C−1.4 °C8016521
May13.9 °C27.6 °C3.0 °C12517804
Jun17.6 °C31.2 °C7.1 °C126196012
Jul19.2 °C32.1 °C9.4 °C131217016
Aug18.8 °C31.4 °C8.7 °C134203015
Sep14.6 °C26.6 °C4.8 °C8914804
Oct10.1 °C21.8 °C0.6 °C809310
Nov4.9 °C15.9 °C−3.9 °C694880
Dec1.7 °C12.2 °C−8.1 °C7635170
Year9.9 °C32.1 °C−8.2 °C108215397653

At what altitude is Ermensee located?

Ermensee sits at around 472 m above sea level in the canton of Lucerne. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.

What is the warmest month in Ermensee?

The warmest month in Ermensee is July, averaging 19.2 °C; the coldest is January, at 1.0 °C. The annual mean is 9.9 °C (MeteoSwiss 1991–2020 normals, reference station Cham).

How much does it rain in Ermensee per year?

Ermensee receives about 1082 mm of precipitation a year, or 90 mm a month on average. The wettest month is August (134 mm) and the driest February (55 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Ermensee have?

Ermensee averages 76 frost days a year, most of them in January (20 days). Conversely, 53 summer days exceed 25 °C, 12 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Ermensee get per year?

The sun shines for about 1539 hours a year in Ermensee. The sunniest month is July (217 h) and the least sunny December (35 h), according to the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Ermensee?

In Ermensee, the monthly mean rises from 1.0 °C in January to 19.2 °C in July: a 18.2 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −8.2 °C to 32.1 °C.

When is the best time to visit Ermensee?

For warmth and sunshine: July (19.2 °C on average, 217 h of sun). To avoid rain, February is the driest month (55 mm). The coldest month is January (1.0 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (18 km, 443 m), Buchs / Aarau (21 km, 387 m), Luzern (21 km, 454 m), adjusted to the elevation of Ermensee (472 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.