About Perly-Certoux
Perly-Certoux is a Swiss municipality located in the canton of Geneva (GE), at 46.158° latitude and 6.088° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Perly-Certoux, Perly-Certoux benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Perly-Certoux
The climate in Perly-Certoux 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 Perly-Certoux and neighboring municipalities.
On this page you will find the detailed weather forecast for Perly-Certoux: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Perly-Certoux: 1991–2020 normals
In Perly-Certoux (425 m), the mean annual temperature is 11.1 °C. The warmest month is July (20.5 °C on average) and the coldest January (2.4 °C). About 965 mm of precipitation falls per year, peaking in October (97 mm) with a minimum in February (60 mm). The sun shines for about 1932 hours a year, mostly in July (270 h). On average there are 68 frost days and 17 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.9 °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 | 2.4 °C | 12.3 °C | −6.7 °C | 77 | 65 | 19 | 0 |
| Feb | 3.1 °C | 14.4 °C | −6.1 °C | 60 | 102 | 17 | 0 |
| Mar | 6.8 °C | 19.3 °C | −3.5 °C | 65 | 167 | 8 | 0 |
| Apr | 10.4 °C | 23.3 °C | −0.5 °C | 68 | 192 | 1 | 1 |
| May | 14.5 °C | 27.6 °C | 3.6 °C | 80 | 215 | 0 | 4 |
| Jun | 18.4 °C | 31.2 °C | 7.5 °C | 83 | 246 | 0 | 14 |
| Jul | 20.5 °C | 32.9 °C | 9.8 °C | 81 | 270 | 0 | 21 |
| Aug | 20.0 °C | 32.4 °C | 9.1 °C | 82 | 246 | 0 | 18 |
| Sep | 15.7 °C | 27.4 °C | 5.5 °C | 88 | 190 | 0 | 6 |
| Oct | 11.4 °C | 22.2 °C | 1.4 °C | 97 | 121 | 1 | 0 |
| Nov | 6.3 °C | 16.9 °C | −3.0 °C | 91 | 68 | 7 | 0 |
| Dec | 3.2 °C | 12.8 °C | −5.7 °C | 94 | 50 | 15 | 0 |
| Year | 11.1 °C | 32.9 °C | −6.7 °C | 965 | 1932 | 68 | 63 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Genève / Cointrin (10 km, 411 m), Nyon / Changins (29 km, 458 m), La Dôle (30 km, 1670 m), adjusted to the elevation of Perly-Certoux (425 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Perly-Certoux:
- Weather Bernex
- Weather Confignon
- Weather Plan-les-Ouates
- Weather Onex
- Weather Bardonnex
- Weather Lancy
- Weather Soral
- Weather Carouge (GE)
- Weather Cartigny
- Weather Aire-la-Ville
- Weather Laconnex
- Weather Avusy
→ Nearby cities · Canton Geneva
Frequently asked questions about weather in Perly-Certoux
What is the weather in Perly-Certoux today?
At the top of the page you will find the current temperature, precipitation and wind in Perly-Certoux, updated in real time.
What is the 15-day forecast for Perly-Certoux?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Perly-Certoux.
Will it rain tomorrow in Perly-Certoux?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Perly-Certoux.
What is the air quality in Perly-Certoux?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Perly-Certoux.
Are there weather alerts for Perly-Certoux?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Perly-Certoux located?
Perly-Certoux sits at around 425 m above sea level in the canton of Geneva. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Perly-Certoux?
The warmest month in Perly-Certoux is July, averaging 20.5 °C (1991–2020 normal). The coldest is January at 2.4 °C.
How much does it rain in Perly-Certoux per year?
Perly-Certoux receives about 965 mm of precipitation a year. The wettest month is October (97 mm), the driest February (60 mm).
When is the best time to visit Perly-Certoux?
For warmth and sunshine: July (20.5 °C on average, 270 h of sun). The coldest month is January (2.4 °C). Check the 15-day forecast above for your dates.