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Willisau Weather in May

Willisau in May sees pleasant temperatures, with highs around 18°C (64°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 165 mm (6.5 in) on average, so pack waterproofs just in case.

Rainfall in Willisau in May

Rain is expected on roughly 18 days, totalling around 165 mm (6.5 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Willisau in May

May in Willisau sees highs of 18°C (64°F) and lows of 8°C (46°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Willisau in May

The month enjoys around 195 hours of sunshine, creating mostly sunny days with good weather conditions.

Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 May

Min TemperatureMin Temperature 8°C (46°F)  
Max TemperatureMax Temperature 18°C (64°F)  
Chance of RainChance of Rain 61%  
PrecipitationPrecipitation 165 mm (6.5 in)  
Rainy daysRainy days 18 days  
HumidityHumidity 73% *  
SunshineSunshine 195 hours *  
Percentage SunshinePercentage Sunshine 45% *  
* Data from: Bern, Switzerland (46 KM, 28 Miles).

Best Places in Switzerland in May

Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →

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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 (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Willisau in May

Pleasant temperatures in May 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Willisau in May

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

Swimming
6/10
Camping
3/10

Select a Month

Check the conditions for any month of the year.

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