About Rennaz
Rennaz is a Swiss municipality located in the canton of Vaud (VD), at 46.376° latitude and 6.918° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Rennaz, Rennaz benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Rennaz
The climate in Rennaz 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 Rennaz and neighboring municipalities.
On this page you will find the detailed weather forecast for Rennaz: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Rennaz: 1991–2020 normals
In Rennaz (378 m), the mean annual temperature is 10.6 °C. The warmest month is July (19.6 °C on average) and the coldest January (1.9 °C). About 965 mm of precipitation falls per year, peaking in July (115 mm) with a minimum in February (56 mm). The sun shines for about 1846 hours a year, mostly in July (224 h). On average there are 77 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.9 °C and the absolute minimum −9.0 °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 | 1.9 °C | 12.6 °C | −9.0 °C | 66 | 91 | 20 | 0 |
| Feb | 2.8 °C | 13.8 °C | −7.2 °C | 56 | 111 | 17 | 0 |
| Mar | 6.6 °C | 18.4 °C | −3.5 °C | 61 | 160 | 9 | 0 |
| Apr | 10.3 °C | 22.9 °C | −0.9 °C | 64 | 174 | 2 | 0 |
| May | 14.4 °C | 26.7 °C | 3.6 °C | 93 | 181 | 0 | 3 |
| Jun | 17.9 °C | 29.6 °C | 6.9 °C | 95 | 206 | 0 | 11 |
| Jul | 19.6 °C | 30.9 °C | 9.1 °C | 115 | 224 | 0 | 18 |
| Aug | 19.2 °C | 30.3 °C | 8.6 °C | 109 | 213 | 0 | 15 |
| Sep | 15.1 °C | 25.7 °C | 5.1 °C | 79 | 177 | 0 | 2 |
| Oct | 11.0 °C | 21.9 °C | 0.6 °C | 76 | 139 | 1 | 0 |
| Nov | 5.9 °C | 17.6 °C | −4.0 °C | 73 | 92 | 9 | 0 |
| Dec | 2.8 °C | 13.4 °C | −7.5 °C | 79 | 78 | 18 | 0 |
| Year | 10.6 °C | 30.9 °C | −9.0 °C | 965 | 1846 | 77 | 50 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Aigle (5 km, 381 m), Le Moléson (20 km, 1974 m), Château-d'Oex (21 km, 1028 m), adjusted to the elevation of Rennaz (378 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Rennaz:
- Weather Noville
- Weather Roche (VD)
- Weather Chessel
- Weather Yvorne
- Weather Port-Valais
- Weather Vouvry
- Weather Corbeyrier
- Weather Villeneuve (VD)
- Weather Veytaux
- Weather Leysin
- Weather Vionnaz
- Weather Aigle
Frequently asked questions about weather in Rennaz
What is the weather in Rennaz today?
At the top of the page you will find the current temperature, precipitation and wind in Rennaz, updated in real time.
What is the 15-day forecast for Rennaz?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Rennaz.
Will it rain tomorrow in Rennaz?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Rennaz.
What is the air quality in Rennaz?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Rennaz.
Are there weather alerts for Rennaz?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Rennaz located?
Rennaz sits at around 378 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 Rennaz?
The warmest month in Rennaz is July, averaging 19.6 °C (1991–2020 normal). The coldest is January at 1.9 °C.
How much does it rain in Rennaz per year?
Rennaz receives about 965 mm of precipitation a year. The wettest month is July (115 mm), the driest February (56 mm).
When is the best time to visit Rennaz?
For warmth and sunshine: July (19.6 °C on average, 224 h of sun). The coldest month is January (1.9 °C). Check the 15-day forecast above for your dates.