About Lostallo
Lostallo is a Swiss municipality located in the canton of Graubünden (GR), at 46.303° latitude and 9.226° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Lostallo, Lostallo benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Lostallo
The climate in Lostallo 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 Lostallo and neighboring municipalities.
On this page you will find the detailed weather forecast for Lostallo: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Lostallo: 1991–2020 normals
In Lostallo (1725 m), the mean annual temperature is 4.3 °C. The warmest month is July (13.5 °C on average) and the coldest January (−4.7 °C). About 1870 mm of precipitation falls per year, peaking in August (221 mm) with a minimum in February (67 mm). The sun shines for about 1514 hours a year, mostly in July (167 h). On average there are 171 frost days per year. The mean monthly maximum reaches 24.4 °C and the absolute minimum −12.6 °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 | −4.7 °C | 7.2 °C | −12.6 °C | 81 | 100 | 30 | 0 |
| Feb | −3.2 °C | 9.0 °C | −11.9 °C | 67 | 111 | 27 | 0 |
| Mar | 0.7 °C | 13.8 °C | −9.3 °C | 86 | 145 | 27 | 0 |
| Apr | 4.0 °C | 16.5 °C | −6.2 °C | 146 | 132 | 18 | 0 |
| May | 7.8 °C | 20.2 °C | −1.7 °C | 194 | 132 | 4 | 0 |
| Jun | 11.6 °C | 23.6 °C | 1.9 °C | 209 | 149 | 0 | 0 |
| Jul | 13.5 °C | 24.4 °C | 3.9 °C | 196 | 167 | 0 | 0 |
| Aug | 13.2 °C | 24.3 °C | 3.7 °C | 221 | 158 | 0 | 1 |
| Sep | 9.1 °C | 20.0 °C | 0.1 °C | 189 | 137 | 1 | 0 |
| Oct | 4.6 °C | 16.0 °C | −4.3 °C | 186 | 112 | 11 | 0 |
| Nov | −0.5 °C | 10.7 °C | −8.7 °C | 199 | 83 | 23 | 0 |
| Dec | −4.3 °C | 6.7 °C | −12.2 °C | 97 | 88 | 30 | 0 |
| Year | 4.3 °C | 24.4 °C | −12.6 °C | 1870 | 1514 | 171 | 1 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Grono (7 km, 324 m), S. Bernardino (18 km, 1639 m), Matro (26 km, 2171 m), adjusted to the elevation of Lostallo (1725 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Lostallo:
- Weather Cama
- Weather Soazza
- Weather Santa Maria in Calanca
- Weather Castaneda
- Weather Grono
- Weather Calanca
- Weather Buseno
- Weather Mesocco
- Weather Roveredo (GR)
- Weather Rossa
- Weather San Vittore
- Weather Arbedo-Castione
→ Nearby cities · Canton Graubünden
Frequently asked questions about weather in Lostallo
What is the weather in Lostallo today?
At the top of the page you will find the current temperature, precipitation and wind in Lostallo, updated in real time.
What is the 15-day forecast for Lostallo?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Lostallo.
Will it rain tomorrow in Lostallo?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Lostallo.
What is the air quality in Lostallo?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Lostallo.
Are there weather alerts for Lostallo?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Lostallo located?
Lostallo sits at around 1725 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 Lostallo?
The warmest month in Lostallo is July, averaging 13.5 °C (1991–2020 normal). The coldest is January at −4.7 °C.
How much does it rain in Lostallo per year?
Lostallo receives about 1870 mm of precipitation a year. The wettest month is August (221 mm), the driest February (67 mm).
When is the best time to visit Lostallo?
For warmth and sunshine: July (13.5 °C on average, 167 h of sun). The coldest month is January (−4.7 °C). Check the 15-day forecast above for your dates.