About La Chaux (Cossonay)
La Chaux (Cossonay) is a Swiss municipality located in the canton of Vaud (VD), at 46.609° latitude and 6.459° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as La Chaux (Cossonay), La Chaux (Cossonay) benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of La Chaux (Cossonay)
The climate in La Chaux (Cossonay) 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 La Chaux (Cossonay) and neighboring municipalities.
On this page you will find the detailed weather forecast for La Chaux (Cossonay): current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of La Chaux (Cossonay): 1991–2020 normals
In La Chaux (Cossonay) (591 m), the mean annual temperature is 9.8 °C. The warmest month is July (18.9 °C on average) and the coldest January (1.5 °C). About 985 mm of precipitation falls per year, peaking in August (99 mm) with a minimum in February (57 mm). The sun shines for about 1911 hours a year, mostly in July (254 h). On average there are 67 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.2 °C and the absolute minimum −8.1 °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 | 1.5 °C | 10.8 °C | −8.1 °C | 69 | 72 | 16 | 0 |
| Feb | 2.0 °C | 12.6 °C | −7.9 °C | 57 | 100 | 15 | 0 |
| Mar | 5.4 °C | 17.5 °C | −4.9 °C | 59 | 163 | 10 | 0 |
| Apr | 9.1 °C | 21.8 °C | −1.9 °C | 70 | 187 | 3 | 0 |
| May | 13.2 °C | 26.2 °C | 2.5 °C | 95 | 201 | 0 | 4 |
| Jun | 17.0 °C | 29.6 °C | 6.1 °C | 97 | 236 | 0 | 12 |
| Jul | 18.9 °C | 31.2 °C | 8.3 °C | 90 | 254 | 0 | 18 |
| Aug | 18.4 °C | 30.2 °C | 7.6 °C | 99 | 238 | 0 | 16 |
| Sep | 14.2 °C | 25.0 °C | 4.1 °C | 84 | 199 | 0 | 3 |
| Oct | 10.1 °C | 20.6 °C | 0.4 °C | 96 | 132 | 1 | 0 |
| Nov | 5.2 °C | 15.3 °C | −3.9 °C | 81 | 79 | 7 | 0 |
| Dec | 2.2 °C | 11.4 °C | −7.2 °C | 88 | 50 | 13 | 0 |
| Year | 9.8 °C | 31.2 °C | −8.1 °C | 985 | 1911 | 67 | 53 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Mathod (17 km, 435 m), Pully (19 km, 456 m), Bullet / La Frétaz (27 km, 1205 m), adjusted to the elevation of La Chaux (Cossonay) (591 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near La Chaux (Cossonay):
- Weather Chavannes-le-Veyron
- Weather Grancy
- Weather Senarclens
- Weather Cuarnens
- Weather Mauraz
- Weather Cossonay
- Weather Chevilly
- Weather Vullierens
- Weather Dizy
- Weather Hautemorges
- Weather Gollion
- Weather L'Isle
Frequently asked questions about weather in La Chaux (Cossonay)
What is the weather in La Chaux (Cossonay) today?
At the top of the page you will find the current temperature, precipitation and wind in La Chaux (Cossonay), updated in real time.
What is the 15-day forecast for La Chaux (Cossonay)?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in La Chaux (Cossonay).
Will it rain tomorrow in La Chaux (Cossonay)?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in La Chaux (Cossonay).
What is the air quality in La Chaux (Cossonay)?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near La Chaux (Cossonay).
Are there weather alerts for La Chaux (Cossonay)?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is La Chaux (Cossonay) located?
La Chaux (Cossonay) sits at around 591 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 La Chaux (Cossonay)?
The warmest month in La Chaux (Cossonay) is July, averaging 18.9 °C (1991–2020 normal). The coldest is January at 1.5 °C.
How much does it rain in La Chaux (Cossonay) per year?
La Chaux (Cossonay) receives about 985 mm of precipitation a year. The wettest month is August (99 mm), the driest February (57 mm).
When is the best time to visit La Chaux (Cossonay)?
For warmth and sunshine: July (18.9 °C on average, 254 h of sun). The coldest month is January (1.5 °C). Check the 15-day forecast above for your dates.