About Rongellen
Rongellen is a Swiss municipality located in the canton of Graubünden (GR), at 46.673° latitude and 9.439° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Rongellen, Rongellen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Rongellen
The climate in Rongellen is characteristic of the eastern Alps, alpine climate with snowy winters and cool summers. 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 Rongellen and neighboring municipalities.
On this page you will find the detailed weather forecast for Rongellen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Rongellen: 1991–2020 normals
In Rongellen (1192 m), the mean annual temperature is 6.9 °C. The warmest month is July (15.2 °C on average) and the coldest February (−0.4 °C). About 1054 mm of precipitation falls per year, peaking in August (144 mm) with a minimum in February (54 mm). The mean monthly maximum reaches 26.0 °C and the absolute minimum −11.8 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) |
|---|---|---|---|---|
| Jan | −0.3 °C | 10.7 °C | −11.8 °C | 68 |
| Feb | −0.4 °C | 11.3 °C | −11.0 °C | 54 |
| Mar | 2.1 °C | 12.7 °C | −9.1 °C | 66 |
| Apr | 5.0 °C | 15.2 °C | −5.6 °C | 66 |
| May | 9.1 °C | 20.1 °C | −0.6 °C | 87 |
| Jun | 13.1 °C | 24.7 °C | 3.9 °C | 117 |
| Jul | 15.2 °C | 26.0 °C | 6.2 °C | 124 |
| Aug | 15.0 °C | 25.5 °C | 5.4 °C | 144 |
| Sep | 11.3 °C | 21.7 °C | 2.2 °C | 94 |
| Oct | 8.5 °C | 19.4 °C | −2.1 °C | 81 |
| Nov | 3.7 °C | 14.9 °C | −7.1 °C | 83 |
| Dec | 0.8 °C | 11.4 °C | −10.0 °C | 72 |
| Year | 6.9 °C | 26.0 °C | −11.8 °C | 1054 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Piz Martegnas (13 km, 2668 m), Arosa (23 km, 1878 m), Chur (23 km, 556 m), adjusted to the elevation of Rongellen (1192 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Rongellen:
- Weather Thusis
- Weather Sils im Domleschg
- Weather Flerden
- Weather Urmein
- Weather Zillis-Reischen
- Weather Masein
- Weather Fürstenau
- Weather Muntogna da Schons
- Weather Scharans
- Weather Tschappina
- Weather Cazis
- Weather Andeer
→ Nearby cities · Canton Graubünden
Frequently asked questions about weather in Rongellen
What is the weather in Rongellen today?
At the top of the page you will find the current temperature, precipitation and wind in Rongellen, updated in real time.
What is the 15-day forecast for Rongellen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Rongellen.
Will it rain tomorrow in Rongellen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Rongellen.
What is the air quality in Rongellen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Rongellen.
Are there weather alerts for Rongellen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Rongellen located?
Rongellen sits at around 1192 m above sea level in the canton of Graubünden. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Rongellen?
The warmest month in Rongellen is July, averaging 15.2 °C (1991–2020 normal). The coldest is February at −0.4 °C.
How much does it rain in Rongellen per year?
Rongellen receives about 1054 mm of precipitation a year. The wettest month is August (144 mm), the driest February (54 mm).
When is the best time to visit Rongellen?
For warmth and sunshine: July (15.2 °C on average, — h of sun). The coldest month is February (−0.4 °C). Check the 15-day forecast above for your dates.