Willisau Weather in August

Thinking of visiting Willisau in August? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 13°C (55°F) at night. Heavy showers are common during the rainy season.

Rainfall in Willisau in August

Willisau is in the rainy season in August, with rain on around 17 days and an average of 171 mm (6.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Willisau in August

August in Willisau sees highs of 23°C (73°F) and lows of 13°C (55°F) overnight. August is known for being in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Willisau in August

The city usually sees around 227 hours of sunlight, indicating many sunny days despite it being the rainy season.

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

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

Willisau Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 56%  

Precipitation 171 mm (6.7 in)  

Rainy days 17 days  

Humidity 73% *  

Sunshine 227 hours *  

Percentage Sunshine 56% *  

* Data from: Bern, Switzerland (46 KM, 28 Miles).

What to Wear in Willisau in August

For Willisau 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Willisau in August

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

Swimming

8/10

Camping

6/10

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 Willisau's climate page.

More climate data for Willisau

Temperature Rainfall Sunshine Humidity

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