Val dʼIlliez Weather in August

August in Val dʼIlliez brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 9°C (48°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Val dʼIlliez in August

Val dʼIlliez is in the rainy season in August, with rain on around 16 days and an average of 184 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Val dʼIlliez in August

Expect highs of 20°C (68°F) in Val dʼIlliez in August, with nights dropping to around 9°C (48°F). Experience the summer season in August. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Val dʼIlliez in August

There are approximately 230 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Val dʼIlliez.

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

Val dʼIlliez Temperature in August

Min Temperature 9°C (48°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 53%  

Precipitation 184 mm (7.2 in)  

Rainy days 16 days  

Sunshine 230 hours *  

Percentage Sunshine *  

* Data from: Chamonix-Mont-Blanc, France (31 KM, 19 Miles).

What to Wear in Val dʼIlliez in August

For Val dʼIlliez in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Val dʼIlliez in August

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

Swimming

7/10

Camping

3/10

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 Val dʼIlliez's climate page.

More climate data for Val dʼIlliez

Temperature Rainfall Sunshine

See the full Val dʼIlliez climate overview or explore weather in Switzerland.