Sierre Weather in August

August in Sierre brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 7°C (45°F). Quite a bit of rainfall is expected, around 136 mm (5.4 in), so pack an umbrella.

Rainfall in Sierre in August

Records from the past 30 years suggest around 17 days of rain, with 136 mm (5.4 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Sierre in August

In August, Sierre sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 7°C (45°F). The month of August belongs to the summer season. Conditions are often most pleasant around the middle of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sierre in August

Expect sunny days throughout the month, with an estimated 248 hours of sunshine. This makes it a pleasant time to visit Sierre.

Wind Speed in Sierre in August

Average wind conditions reach 2 m/s (4 knots) in August. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Sierre.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Sierre's climate page.

Sierre Temperature in August

Min Temperature 7°C (45°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 56%  

Precipitation 136 mm (5.4 in)  

Rainy days 17 days  

Humidity 67% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 248 hours *  

Percentage Sunshine 65% *  

* Data from: Sion, Switzerland (17 KM, 10 Miles).

What to Wear in Sierre in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Sierre in August

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

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Sierre's climate page.

More climate data for Sierre

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Sierre climate overview or explore weather in Switzerland.