Vétroz Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Vétroz.
Climate overview of Vétroz
The climate in Vétroz, Canton of Valais, Switzerland, is marked by large temperature swings across the seasons, ranging from 19°C (66°F) in July to -3°C (27°F) in January.
The city receives considerable rain/snowfall, with around 1705 mm (67 in) annually. June is the wettest month. It has a distinct rainy season from May to July, with pleasant summers and very cold winters. Sunshine peaks in July, when the city sees around 9.0 hours of sunshine per day.
Vétroz Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Vétroz - and find the best time to visit.
Monthly Temperature in Vétroz
In Vétroz, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a pleasant 19°C (66°F) in July to a very cold -3°C (27°F) in the coolest month, January.
Nights vary from 8°C (46°F) in July to around -13°C (9°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Vétroz
Vétroz experiences significant rain/snowfall throughout the year, averaging 1705 mm (67 in) of precipitation annually. Precipitation levels in Vétroz remain relatively steady throughout the year. June has the most rain, with 178 mm (7 in) over 18 days. In the driest month October, this drops slightly to 115 mm (4.5 in), making the city's climate fairly predictable. For more details, please visit our Vétroz Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Vétroz
For those who appreciate different seasons, Vétroz serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Vétroz by Month
The relative humidity is high throughout the year in Vétroz.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Vétroz
The mean wind speed over the year ranges from 1 m/s (2 knots) in January, October, November and December to 2 m/s (4 knots) in February, March, April, May, June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Vétroz
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: A distinct rainy season from May to July, with pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Vétroz
What is the best time to visit Vétroz?
July and August typically offer the most optimal weather in Vétroz. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Vétroz has a distinct rainy season from May to July, with pleasant summers and very cold winters.
What temperatures can I expect in Vétroz?
Daytime highs range from -3°C (27°F) in January to 19°C (66°F) in July. Nighttime lows range from -13°C (9°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Vétroz get?
Annual rainfall is around 1705 mm (67 in). June is the wettest month with 178 mm (7 in), while October is the driest with 115 mm (4.5 in).
How sunny is Vétroz?
Vétroz receives around 2,171 hours of sunshine per year. July is the sunniest month with 270 hours, while December is the cloudiest with just 70 hours. Overall, Vétroz enjoys abundant sunshine.
Vétroz 3-Day Forecast
Vétroz 3-Day Forecast
Vétroz on the map
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