About Arnex-sur-Nyon
Arnex-sur-Nyon is a Swiss municipality located in the canton of Vaud (VD), at 46.373° latitude and 6.193° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Arnex-sur-Nyon, Arnex-sur-Nyon benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Arnex-sur-Nyon
The climate in Arnex-sur-Nyon 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 Arnex-sur-Nyon and neighboring municipalities.
On this page you will find the detailed weather forecast for Arnex-sur-Nyon: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Arnex-sur-Nyon: 1991–2020 normals
In Arnex-sur-Nyon (458 m), the mean annual temperature is 10.8 °C. The warmest month is July (20.0 °C on average) and the coldest January (2.4 °C). About 1036 mm of precipitation falls per year, peaking in December (106 mm) with a minimum in February (68 mm). The sun shines for about 1959 hours a year, mostly in July (267 h). On average there are 62 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.8 °C and the absolute minimum −6.4 °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 | 11.8 °C | −6.4 °C | 87 | 71 | 18 | 0 |
| Feb | 3.0 °C | 13.6 °C | −5.9 °C | 68 | 108 | 15 | 0 |
| Mar | 6.6 °C | 18.0 °C | −3.1 °C | 70 | 171 | 7 | 0 |
| Apr | 10.1 °C | 22.1 °C | −0.5 °C | 70 | 193 | 1 | 0 |
| May | 14.1 °C | 26.5 °C | 3.8 °C | 88 | 214 | 0 | 3 |
| Jun | 17.9 °C | 30.2 °C | 7.5 °C | 86 | 243 | 0 | 12 |
| Jul | 20.0 °C | 31.8 °C | 10.0 °C | 87 | 267 | 0 | 18 |
| Aug | 19.6 °C | 31.3 °C | 9.4 °C | 86 | 244 | 0 | 17 |
| Sep | 15.5 °C | 26.4 °C | 5.9 °C | 88 | 192 | 0 | 4 |
| Oct | 11.2 °C | 21.5 °C | 1.8 °C | 102 | 127 | 1 | 0 |
| Nov | 6.2 °C | 16.3 °C | −2.2 °C | 99 | 74 | 6 | 0 |
| Dec | 3.1 °C | 12.5 °C | −5.5 °C | 106 | 55 | 15 | 0 |
| Year | 10.8 °C | 31.8 °C | −6.4 °C | 1036 | 1959 | 62 | 54 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Nyon / Changins (4 km, 458 m), La Dôle (9 km, 1670 m), Genève / Cointrin (15 km, 411 m), adjusted to the elevation of Arnex-sur-Nyon (458 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Arnex-sur-Nyon:
- Weather Borex
- Weather Eysins
- Weather Crans (VD)
- Weather Crassier
- Weather Signy-Avenex
- Weather Grens
- Weather Nyon
- Weather Bogis-Bossey
- Weather Céligny
- Weather La Rippe
- Weather Chavannes-de-Bogis
- Weather Duillier
Frequently asked questions about weather in Arnex-sur-Nyon
What is the weather in Arnex-sur-Nyon today?
At the top of the page you will find the current temperature, precipitation and wind in Arnex-sur-Nyon, updated in real time.
What is the 15-day forecast for Arnex-sur-Nyon?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Arnex-sur-Nyon.
Will it rain tomorrow in Arnex-sur-Nyon?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Arnex-sur-Nyon.
What is the air quality in Arnex-sur-Nyon?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Arnex-sur-Nyon.
Are there weather alerts for Arnex-sur-Nyon?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Arnex-sur-Nyon located?
Arnex-sur-Nyon sits at around 458 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 Arnex-sur-Nyon?
The warmest month in Arnex-sur-Nyon is July, averaging 20.0 °C (1991–2020 normal). The coldest is January at 2.4 °C.
How much does it rain in Arnex-sur-Nyon per year?
Arnex-sur-Nyon receives about 1036 mm of precipitation a year. The wettest month is December (106 mm), the driest February (68 mm).
When is the best time to visit Arnex-sur-Nyon?
For warmth and sunshine: July (20.0 °C on average, 267 h of sun). The coldest month is January (2.4 °C). Check the 15-day forecast above for your dates.