About Saint-Prex
Saint-Prex is a Swiss municipality located in the canton of Vaud (VD), at 46.485° latitude and 6.447° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Saint-Prex, Saint-Prex benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Saint-Prex
The climate in Saint-Prex 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 Saint-Prex and neighboring municipalities.
On this page you will find the detailed weather forecast for Saint-Prex: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Saint-Prex: 1991–2020 normals
In Saint-Prex (414 m), the mean annual temperature is 11.3 °C. The warmest month is July (20.4 °C on average) and the coldest January (3.1 °C). About 1096 mm of precipitation falls per year, peaking in October (107 mm) with a minimum in February (68 mm). The sun shines for about 1967 hours a year, mostly in July (263 h). On average there are 46 frost days and 9 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.5 °C and the absolute minimum −5.3 °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 | 3.1 °C | 12.0 °C | −5.3 °C | 84 | 75 | 14 | 0 |
| Feb | 3.5 °C | 13.4 °C | −4.9 °C | 68 | 109 | 12 | 0 |
| Mar | 7.0 °C | 17.9 °C | −2.2 °C | 73 | 171 | 5 | 0 |
| Apr | 10.5 °C | 22.2 °C | 0.5 °C | 77 | 194 | 1 | 0 |
| May | 14.5 °C | 26.6 °C | 5.0 °C | 100 | 214 | 0 | 3 |
| Jun | 18.3 °C | 30.1 °C | 8.6 °C | 96 | 242 | 0 | 11 |
| Jul | 20.4 °C | 31.5 °C | 11.2 °C | 95 | 263 | 0 | 18 |
| Aug | 20.1 °C | 31.0 °C | 10.7 °C | 97 | 243 | 0 | 16 |
| Sep | 16.0 °C | 26.1 °C | 7.2 °C | 93 | 191 | 0 | 3 |
| Oct | 11.9 °C | 21.5 °C | 3.1 °C | 107 | 130 | 0 | 0 |
| Nov | 6.9 °C | 16.6 °C | −1.0 °C | 100 | 78 | 4 | 0 |
| Dec | 3.8 °C | 12.7 °C | −4.3 °C | 106 | 57 | 11 | 0 |
| Year | 11.3 °C | 31.5 °C | −5.3 °C | 1096 | 1967 | 46 | 52 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Pully (17 km, 456 m), Nyon / Changins (19 km, 458 m), La Dôle (27 km, 1670 m), adjusted to the elevation of Saint-Prex (414 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Saint-Prex:
- Weather Lussy-sur-Morges
- Weather Etoy
- Weather Lully (VD)
- Weather Villars-sous-Yens
- Weather Tolochenaz
- Weather Lavigny
- Weather Buchillon
- Weather Denens
- Weather Chigny
- Weather Allaman
- Weather Aubonne
- Weather Vufflens-le-Château
Frequently asked questions about weather in Saint-Prex
What is the weather in Saint-Prex today?
At the top of the page you will find the current temperature, precipitation and wind in Saint-Prex, updated in real time.
What is the 15-day forecast for Saint-Prex?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Saint-Prex.
Will it rain tomorrow in Saint-Prex?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Saint-Prex.
What is the air quality in Saint-Prex?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Saint-Prex.
Are there weather alerts for Saint-Prex?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Saint-Prex located?
Saint-Prex sits at around 414 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 Saint-Prex?
The warmest month in Saint-Prex is July, averaging 20.4 °C (1991–2020 normal). The coldest is January at 3.1 °C.
How much does it rain in Saint-Prex per year?
Saint-Prex receives about 1096 mm of precipitation a year. The wettest month is October (107 mm), the driest February (68 mm).
When is the best time to visit Saint-Prex?
For warmth and sunshine: July (20.4 °C on average, 263 h of sun). The coldest month is January (3.1 °C). Check the 15-day forecast above for your dates.