About Penthaz
Penthaz is a Swiss municipality located in the canton of Vaud (VD), at 46.599° latitude and 6.541° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Penthaz, Penthaz benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Penthaz
The climate in Penthaz 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 Penthaz and neighboring municipalities.
On this page you will find the detailed weather forecast for Penthaz: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Penthaz: 1991–2020 normals
In Penthaz (493 m), the mean annual temperature is 10.5 °C. The warmest month is July (19.7 °C on average) and the coldest January (2.2 °C). About 997 mm of precipitation falls per year, peaking in August (99 mm) with a minimum in February (57 mm). The sun shines for about 1924 hours a year, mostly in July (255 h). On average there are 59 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.6 °C and the absolute minimum −7.1 °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 | 2.2 °C | 11.2 °C | −7.1 °C | 69 | 73 | 15 | 0 |
| Feb | 2.7 °C | 13.0 °C | −6.8 °C | 57 | 102 | 13 | 0 |
| Mar | 6.1 °C | 18.0 °C | −3.9 °C | 61 | 165 | 9 | 0 |
| Apr | 9.8 °C | 22.3 °C | −0.9 °C | 72 | 189 | 2 | 0 |
| May | 13.9 °C | 26.7 °C | 3.6 °C | 97 | 204 | 0 | 4 |
| Jun | 17.7 °C | 30.1 °C | 7.1 °C | 97 | 237 | 0 | 12 |
| Jul | 19.7 °C | 31.6 °C | 9.4 °C | 91 | 255 | 0 | 18 |
| Aug | 19.2 °C | 30.7 °C | 8.8 °C | 99 | 239 | 0 | 16 |
| Sep | 15.0 °C | 25.5 °C | 5.2 °C | 86 | 197 | 0 | 3 |
| Oct | 10.8 °C | 21.0 °C | 1.5 °C | 97 | 132 | 1 | 0 |
| Nov | 5.9 °C | 15.8 °C | −2.8 °C | 83 | 79 | 6 | 0 |
| Dec | 2.9 °C | 11.8 °C | −6.1 °C | 88 | 52 | 12 | 0 |
| Year | 10.5 °C | 31.6 °C | −7.1 °C | 997 | 1924 | 59 | 52 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Pully (14 km, 456 m), Mathod (15 km, 435 m), Bullet / La Frétaz (27 km, 1205 m), adjusted to the elevation of Penthaz (493 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Penthaz:
- Weather Penthalaz
- Weather Bournens
- Weather Sullens
- Weather Gollion
- Weather Daillens
- Weather Mex (VD)
- Weather Boussens
- Weather Cossonay
- Weather Bettens
- Weather Lussery-Villars
- Weather Vufflens-la-Ville
- Weather Villars-Sainte-Croix
Frequently asked questions about weather in Penthaz
What is the weather in Penthaz today?
At the top of the page you will find the current temperature, precipitation and wind in Penthaz, updated in real time.
What is the 15-day forecast for Penthaz?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Penthaz.
Will it rain tomorrow in Penthaz?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Penthaz.
What is the air quality in Penthaz?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Penthaz.
Are there weather alerts for Penthaz?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Penthaz located?
Penthaz sits at around 493 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 Penthaz?
The warmest month in Penthaz is July, averaging 19.7 °C (1991–2020 normal). The coldest is January at 2.2 °C.
How much does it rain in Penthaz per year?
Penthaz receives about 997 mm of precipitation a year. The wettest month is August (99 mm), the driest February (57 mm).
When is the best time to visit Penthaz?
For warmth and sunshine: July (19.7 °C on average, 255 h of sun). The coldest month is January (2.2 °C). Check the 15-day forecast above for your dates.