About Sullens
Sullens is a Swiss municipality located in the canton of Vaud (VD), at 46.591° latitude and 6.567° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Sullens, Sullens benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Sullens
The climate in Sullens is characteristic of the Lake Geneva region, temperate climate with lake influence, mild winters and warm 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 Sullens and neighboring municipalities.
On this page you will find the detailed weather forecast for Sullens: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Sullens: 1991–2020 normals
In Sullens (597 m), the mean annual temperature is 10.0 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.7 °C). About 1054 mm of precipitation falls per year, peaking in August (104 mm) with a minimum in February (60 mm). The sun shines for about 1933 hours a year, mostly in July (256 h). On average there are 54 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.9 °C and the absolute minimum −7.2 °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 | 1.7 °C | 10.6 °C | −7.2 °C | 72 | 74 | 14 | 0 |
| Feb | 2.2 °C | 12.3 °C | −6.9 °C | 60 | 104 | 12 | 0 |
| Mar | 5.7 °C | 17.3 °C | −4.0 °C | 65 | 166 | 8 | 0 |
| Apr | 9.4 °C | 21.6 °C | −1.0 °C | 76 | 190 | 2 | 0 |
| May | 13.5 °C | 26.1 °C | 3.4 °C | 103 | 206 | 0 | 3 |
| Jun | 17.2 °C | 29.5 °C | 6.9 °C | 102 | 238 | 0 | 12 |
| Jul | 19.2 °C | 30.9 °C | 9.4 °C | 96 | 256 | 0 | 18 |
| Aug | 18.8 °C | 30.1 °C | 8.7 °C | 104 | 240 | 0 | 16 |
| Sep | 14.6 °C | 24.9 °C | 5.2 °C | 91 | 195 | 0 | 3 |
| Oct | 10.4 °C | 20.3 °C | 1.4 °C | 103 | 132 | 1 | 0 |
| Nov | 5.5 °C | 15.3 °C | −2.9 °C | 89 | 79 | 5 | 0 |
| Dec | 2.4 °C | 11.2 °C | −6.2 °C | 93 | 53 | 11 | 0 |
| Year | 10.0 °C | 30.9 °C | −7.2 °C | 1054 | 1933 | 54 | 52 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Pully (12 km, 456 m), Mathod (16 km, 435 m), Bullet / La Frétaz (28 km, 1205 m), adjusted to the elevation of Sullens (597 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Sullens:
- Weather Mex (VD)
- Weather Boussens
- Weather Bournens
- Weather Penthaz
- Weather Cheseaux-sur-Lausanne
- Weather Villars-Sainte-Croix
- Weather Vufflens-la-Ville
- Weather Etagnières
- Weather Bettens
- Weather Penthalaz
- Weather Crissier
- Weather Daillens
Frequently asked questions about weather in Sullens
What is the weather in Sullens today?
At the top of the page you will find the current temperature, precipitation and wind in Sullens, updated in real time.
What is the 15-day forecast for Sullens?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Sullens.
Will it rain tomorrow in Sullens?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Sullens.
What is the air quality in Sullens?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Sullens.
Are there weather alerts for Sullens?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Sullens located?
Sullens sits at around 597 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 Sullens?
The warmest month in Sullens is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 1.7 °C.
How much does it rain in Sullens per year?
Sullens receives about 1054 mm of precipitation a year. The wettest month is August (104 mm), the driest February (60 mm).
When is the best time to visit Sullens?
For warmth and sunshine: July (19.2 °C on average, 256 h of sun). The coldest month is January (1.7 °C). Check the 15-day forecast above for your dates.