About Ernen
Ernen is a Swiss municipality located in the canton of Valais (VS), at 46.400° latitude and 8.218° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Ernen, Ernen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Ernen
The climate in Ernen is characteristic of the Valais Alps, dry continental climate, among the sunniest in Switzerland. 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 Ernen and neighboring municipalities.
On this page you will find the detailed weather forecast for Ernen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Ernen: 1991–2020 normals
In Ernen (2057 m), the mean annual temperature is 1.7 °C. The warmest month is July (10.3 °C on average) and the coldest January (−6.2 °C). About 1546 mm of precipitation falls per year, peaking in November (154 mm) with a minimum in July (111 mm). The sun shines for about 1435 hours a year, mostly in July (178 h). On average there are 189 frost days per year. The mean monthly maximum reaches 21.6 °C and the absolute minimum −18.7 °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 | −6.2 °C | 4.5 °C | −18.7 °C | 137 | 72 | 30 | 0 |
| Feb | −5.9 °C | 5.6 °C | −18.1 °C | 117 | 95 | 28 | 0 |
| Mar | −3.3 °C | 7.2 °C | −15.8 °C | 127 | 129 | 29 | 0 |
| Apr | 0.0 °C | 10.0 °C | −11.1 °C | 120 | 123 | 22 | 0 |
| May | 4.0 °C | 14.7 °C | −5.9 °C | 145 | 135 | 10 | 0 |
| Jun | 8.3 °C | 20.3 °C | −1.7 °C | 118 | 158 | 3 | 0 |
| Jul | 10.3 °C | 21.6 °C | 0.4 °C | 111 | 178 | 1 | 0 |
| Aug | 10.3 °C | 21.4 °C | 0.0 °C | 127 | 169 | 1 | 0 |
| Sep | 6.6 °C | 17.6 °C | −3.8 °C | 115 | 140 | 5 | 0 |
| Oct | 3.4 °C | 14.4 °C | −7.3 °C | 129 | 115 | 10 | 0 |
| Nov | −1.9 °C | 9.7 °C | −13.7 °C | 154 | 64 | 21 | 0 |
| Dec | −5.0 °C | 5.4 °C | −17.2 °C | 146 | 57 | 29 | 0 |
| Year | 1.7 °C | 21.6 °C | −18.7 °C | 1546 | 1435 | 189 | 0 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Eggishorn (10 km, 2892 m), Ulrichen (14 km, 1346 m), Grimsel Hospiz (21 km, 1980 m), adjusted to the elevation of Ernen (2057 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Ernen:
- Weather Binn
- Weather Bellwald
- Weather Fiesch
- Weather Grengiols
- Weather Lax
- Weather Obergoms
- Weather Goms
- Weather Bister
- Weather Bettmeralp
- Weather Mörel-Filet
- Weather Riederalp
- Weather Bitsch
→ Nearby cities · Canton Valais
Frequently asked questions about weather in Ernen
What is the weather in Ernen today?
At the top of the page you will find the current temperature, precipitation and wind in Ernen, updated in real time.
What is the 15-day forecast for Ernen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Ernen.
Will it rain tomorrow in Ernen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Ernen.
What is the air quality in Ernen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Ernen.
Are there weather alerts for Ernen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Ernen located?
Ernen sits at around 2057 m above sea level in the canton of Valais. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Ernen?
The warmest month in Ernen is July, averaging 10.3 °C (1991–2020 normal). The coldest is January at −6.2 °C.
How much does it rain in Ernen per year?
Ernen receives about 1546 mm of precipitation a year. The wettest month is November (154 mm), the driest July (111 mm).
When is the best time to visit Ernen?
For warmth and sunshine: July (10.3 °C on average, 178 h of sun). The coldest month is January (−6.2 °C). Check the 15-day forecast above for your dates.