About Le Mont-sur-Lausanne
Le Mont-sur-Lausanne is a Swiss municipality located in the canton of Vaud (VD), at 46.558° latitude and 6.639° longitude. The municipality is part of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. Also known as Le Mont-sur-Lausanne, Le Mont-sur-Lausanne benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Le Mont-sur-Lausanne
The climate in Le Mont-sur-Lausanne is characteristic of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. 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 Le Mont-sur-Lausanne and neighboring municipalities.
On this page you will find the detailed weather forecast for Le Mont-sur-Lausanne: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Le Mont-sur-Lausanne: 1991–2020 normals
In Le Mont-sur-Lausanne (732 m), the mean annual temperature is 9.8 °C. The warmest month is July (18.9 °C on average) and the coldest January (1.3 °C). About 1169 mm of precipitation falls per year, peaking in May (116 mm) with a minimum in February (65 mm). The sun shines for about 1964 hours a year, mostly in July (259 h). On average there are 38 frost days and 8 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.7 °C and the absolute minimum −6.7 °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 | 1.3 °C | 9.7 °C | −6.7 °C | 78 | 77 | 12 | 0 |
| Feb | 1.9 °C | 11.2 °C | −6.3 °C | 65 | 108 | 10 | 0 |
| Mar | 5.5 °C | 16.2 °C | −3.5 °C | 73 | 169 | 4 | 0 |
| Apr | 9.1 °C | 20.6 °C | −0.6 °C | 86 | 194 | 0 | 0 |
| May | 13.1 °C | 25.1 °C | 3.9 °C | 116 | 213 | 0 | 3 |
| Jun | 16.9 °C | 28.5 °C | 7.4 °C | 111 | 241 | 0 | 11 |
| Jul | 18.9 °C | 29.7 °C | 10.1 °C | 107 | 259 | 0 | 18 |
| Aug | 18.6 °C | 29.2 °C | 9.6 °C | 114 | 242 | 0 | 15 |
| Sep | 14.5 °C | 24.0 °C | 6.0 °C | 102 | 190 | 0 | 3 |
| Oct | 10.3 °C | 19.4 °C | 2.1 °C | 114 | 133 | 0 | 0 |
| Nov | 5.3 °C | 14.6 °C | −2.1 °C | 101 | 80 | 3 | 0 |
| Dec | 2.1 °C | 10.3 °C | −5.5 °C | 101 | 58 | 9 | 0 |
| Year | 9.8 °C | 29.7 °C | −6.7 °C | 1169 | 1964 | 38 | 50 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Pully (6 km, 456 m), Mathod (21 km, 435 m), Le Moléson (29 km, 1974 m), adjusted to the elevation of Le Mont-sur-Lausanne (732 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Le Mont-sur-Lausanne:
- Weather Epalinges
- Weather Romanel-sur-Lausanne
- Weather Cugy (VD)
- Weather Jouxtens-Mézery
- Weather Prilly
- Weather Morrens (VD)
- Weather Lausanne
- Weather Cheseaux-sur-Lausanne
- Weather Renens (VD)
- Weather Bretigny-sur-Morrens
- Weather Crissier
- Weather Belmont-sur-Lausanne
Frequently asked questions about weather in Le Mont-sur-Lausanne
What is the weather in Le Mont-sur-Lausanne today?
At the top of the page you will find the current temperature, precipitation and wind in Le Mont-sur-Lausanne, updated in real time.
What is the 15-day forecast for Le Mont-sur-Lausanne?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Le Mont-sur-Lausanne.
Will it rain tomorrow in Le Mont-sur-Lausanne?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Le Mont-sur-Lausanne.
What is the air quality in Le Mont-sur-Lausanne?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Le Mont-sur-Lausanne.
Are there weather alerts for Le Mont-sur-Lausanne?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Le Mont-sur-Lausanne located?
Le Mont-sur-Lausanne sits at around 732 m above sea level in the canton of Vaud. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Le Mont-sur-Lausanne?
The warmest month in Le Mont-sur-Lausanne is July, averaging 18.9 °C (1991–2020 normal). The coldest is January at 1.3 °C.
How much does it rain in Le Mont-sur-Lausanne per year?
Le Mont-sur-Lausanne receives about 1169 mm of precipitation a year. The wettest month is May (116 mm), the driest February (65 mm).
When is the best time to visit Le Mont-sur-Lausanne?
For warmth and sunshine: July (18.9 °C on average, 259 h of sun). The coldest month is January (1.3 °C). Check the 15-day forecast above for your dates.