About Grancy
Grancy is a Swiss municipality located in the canton of Vaud (VD), at 46.594° latitude and 6.460° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Grancy, Grancy benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Grancy
The climate in Grancy 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 Grancy and neighboring municipalities.
On this page you will find the detailed weather forecast for Grancy: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Grancy: 1991–2020 normals
In Grancy (621 m), the mean annual temperature is 9.7 °C. The warmest month is July (19.0 °C on average) and the coldest January (1.2 °C). About 999 mm of precipitation falls per year, peaking in August (98 mm) with a minimum in February (57 mm). The sun shines for about 1924 hours a year, mostly in July (257 h). On average there are 63 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.3 °C and the absolute minimum −7.9 °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 | 1.2 °C | 10.3 °C | −7.9 °C | 70 | 72 | 16 | 0 |
| Feb | 1.9 °C | 12.3 °C | −7.6 °C | 57 | 102 | 14 | 0 |
| Mar | 5.4 °C | 17.5 °C | −4.7 °C | 59 | 165 | 9 | 0 |
| Apr | 9.2 °C | 21.8 °C | −1.8 °C | 71 | 189 | 2 | 0 |
| May | 13.3 °C | 26.3 °C | 2.6 °C | 96 | 204 | 0 | 4 |
| Jun | 17.1 °C | 29.8 °C | 6.2 °C | 97 | 238 | 0 | 12 |
| Jul | 19.0 °C | 31.3 °C | 8.4 °C | 90 | 257 | 0 | 18 |
| Aug | 18.5 °C | 30.4 °C | 7.7 °C | 98 | 239 | 0 | 16 |
| Sep | 14.3 °C | 25.1 °C | 4.1 °C | 87 | 197 | 0 | 3 |
| Oct | 10.0 °C | 20.2 °C | 0.5 °C | 98 | 131 | 1 | 0 |
| Nov | 5.0 °C | 14.9 °C | −3.8 °C | 85 | 78 | 6 | 0 |
| Dec | 1.9 °C | 10.8 °C | −7.1 °C | 90 | 52 | 13 | 0 |
| Year | 9.7 °C | 31.3 °C | −7.9 °C | 999 | 1924 | 63 | 53 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Mathod (18 km, 435 m), Pully (18 km, 456 m), Nyon / Changins (28 km, 458 m), adjusted to the elevation of Grancy (621 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Grancy:
- Weather La Chaux (Cossonay)
- Weather Senarclens
- Weather Chavannes-le-Veyron
- Weather Vullierens
- Weather Hautemorges
- Weather Mauraz
- Weather Gollion
- Weather Cossonay
- Weather Aclens
- Weather Cuarnens
- Weather Clarmont
- Weather Dizy
Frequently asked questions about weather in Grancy
What is the weather in Grancy today?
At the top of the page you will find the current temperature, precipitation and wind in Grancy, updated in real time.
What is the 15-day forecast for Grancy?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Grancy.
Will it rain tomorrow in Grancy?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Grancy.
What is the air quality in Grancy?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Grancy.
Are there weather alerts for Grancy?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Grancy located?
Grancy sits at around 621 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 Grancy?
The warmest month in Grancy is July, averaging 19.0 °C (1991–2020 normal). The coldest is January at 1.2 °C.
How much does it rain in Grancy per year?
Grancy receives about 999 mm of precipitation a year. The wettest month is August (98 mm), the driest February (57 mm).
When is the best time to visit Grancy?
For warmth and sunshine: July (19.0 °C on average, 257 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.