About Ermensee
Ermensee is a Swiss municipality located in the canton of Lucerne (LU), at 47.224° latitude and 8.237° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Ermensee, Ermensee benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Ermensee
The climate in Ermensee is characteristic of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Ermensee and neighboring municipalities.
On this page you will find the detailed weather forecast for Ermensee: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
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.
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 | 1.0 °C | 11.6 °C | −8.2 °C | 56 | 46 | 20 | 0 |
| Feb | 1.8 °C | 13.6 °C | −7.9 °C | 55 | 77 | 18 | 0 |
| Mar | 5.8 °C | 19.0 °C | −4.7 °C | 62 | 133 | 10 | 0 |
| Apr | 9.8 °C | 23.4 °C | −1.4 °C | 80 | 165 | 2 | 1 |
| May | 13.9 °C | 27.6 °C | 3.0 °C | 125 | 178 | 0 | 4 |
| Jun | 17.6 °C | 31.2 °C | 7.1 °C | 126 | 196 | 0 | 12 |
| Jul | 19.2 °C | 32.1 °C | 9.4 °C | 131 | 217 | 0 | 16 |
| Aug | 18.8 °C | 31.4 °C | 8.7 °C | 134 | 203 | 0 | 15 |
| Sep | 14.6 °C | 26.6 °C | 4.8 °C | 89 | 148 | 0 | 4 |
| Oct | 10.1 °C | 21.8 °C | 0.6 °C | 80 | 93 | 1 | 0 |
| Nov | 4.9 °C | 15.9 °C | −3.9 °C | 69 | 48 | 8 | 0 |
| Dec | 1.7 °C | 12.2 °C | −8.1 °C | 76 | 35 | 17 | 0 |
| Year | 9.9 °C | 32.1 °C | −8.2 °C | 1082 | 1539 | 76 | 53 |
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.
Nearby cities
Check the weather of cities near Ermensee:
- Weather Hitzkirch
- Weather Aesch (LU)
- Weather Menziken
- Weather Schongau
- Weather Beinwil am See
- Weather Beromünster
- Weather Rickenbach (LU)
- Weather Reinach (AG)
- Weather Buttwil
- Weather Geltwil
- Weather Fahrwangen
- Weather Leimbach (AG)
→ Nearby cities · Canton Lucerne
Frequently asked questions about weather in Ermensee
What is the weather in Ermensee today?
At the top of the page you will find the current temperature, precipitation and wind in Ermensee, updated in real time.
What is the 15-day forecast for Ermensee?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Ermensee.
Will it rain tomorrow in Ermensee?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Ermensee.
What is the air quality in Ermensee?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Ermensee.
Are there weather alerts for Ermensee?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Ermensee located?
Ermensee sits at around 472 m above sea level in the canton of Lucerne. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Ermensee?
The warmest month in Ermensee is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 1.0 °C.
How much does it rain in Ermensee per year?
Ermensee receives about 1082 mm of precipitation a year. The wettest month is August (134 mm), the driest February (55 mm).
When is the best time to visit Ermensee?
For warmth and sunshine: July (19.2 °C on average, 217 h of sun). The coldest month is January (1.0 °C). Check the 15-day forecast above for your dates.