Siviez Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Siviez.
Climate overview of Siviez
Temperatures in Siviez, Canton of Valais, Switzerland, vary greatly throughout the year. July is the hottest month at 18°C (64°F), while January is the coldest at -4°C (25°F).
The city receives considerable rain/snowfall, with around 1561 mm (61 in) annually. June is the wettest month. July is the sunniest month, averaging 9.0 hours of sunshine per day.
Siviez Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siviez — and find the best time to visit.
Monthly Temperature in Siviez
The climate in Siviez is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a moderate 18°C (64°F) in July to a very cold -4°C (25°F) in the coolest month, January.
Nights vary from 7°C (45°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 Siviez
Siviez has a notably wet climate with abundant precipitation, recording 1561 mm (61 in) of rain/snowfall per year. Precipitation levels in Siviez remain relatively steady throughout the year. June has the most rain, with 154 mm (6.1 in) over 18 days. In the driest month March, this drops slightly to 110 mm (4.3 in), making the city's climate fairly predictable. For more details, please visit our Siviez Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Siviez
For those who appreciate different seasons, Siviez 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 Siviez by Month
The relative humidity is high throughout the year in Siviez.
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 Siviez
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 Siviez
Frequently asked questions about the climate in Siviez
What is the best time to visit Siviez?
July and August typically offer the most optimal weather in Siviez. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Siviez?
Daytime highs range from -4°C (25°F) in January to 18°C (64°F) in July. Nighttime lows range from -13°C (9°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Siviez get?
Annual rainfall is around 1561 mm (61 in). June is the wettest month with 154 mm (6.1 in), while March is the driest with 110 mm (4.3 in).
How sunny is Siviez?
Siviez 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, Siviez enjoys abundant sunshine.
Siviez 3-Day Forecast
Siviez 3-Day Forecast
Siviez on the map
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