Siviez weather in August (Canton of Valais, Switzerland)

What can you expect from the weather in Siviez during August? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In August, Siviez typically experiences moderate temperatures and high rainfall. August is a summer month. Throughout the day, temperatures typically settle at around 18°C. But by evening, they drop to around 7°C.

Siviez in August usually receives high rainfall, averaging around 140 mm for the month. Rain is expected on roughly 17 days.

The city usually sees around 248 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Siviez. July and August typically offer the best circumstances. While January, February, March, April, May, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Siviez climate page with graphs.

 

Siviez, monthly averages in August

Min TemperatureMin Temperature 7°C  
Max TemperatureMax Temperature 18°C  
Chance of RainChance of Rain 56%  
PrecipitationPrecipitation 140 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 67% *  
WindspeedWindspeed 7 km/h *  
SunshineSunshine 248 hours *  
Percentage SunshinePercentage Sunshine 65% *  
* Data from: Sion, Switzerland (9 KM, 5 Miles).

Where to go in Switzerland in August

Find out more about the weather in Switzerland in August and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Siviez in August?

For visitors traveling to Siviez, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Siviez.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.