Willisau Weather in April

April in Willisau averages 14°C (57°F) during the day and 4°C (39°F) at night. Quite a bit of rainfall is typical this month, with around 123 mm (4.8 in) on average. An umbrella is a good idea.

Rainfall in Willisau in April

Typically, about 17 days will experience rainfall, with an average of 123 mm (4.8 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Willisau in April

Temperatures in Willisau in April top out at 14°C (57°F) and drop to 4°C (39°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Willisau in April

The area enjoys a moderate level of sunlight, with around 177 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, June, July and August typically offer the best 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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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.

Willisau Temperature in April

Min Temperature 4°C (39°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 55%  

Precipitation 123 mm (4.8 in)  

Rainy days 17 days  

Humidity 71% *  

Sunshine 177 hours *  

Percentage Sunshine 46% *  

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

What to Wear in Willisau in April

The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Willisau in April

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

Swimming

5/10

Cycling

5/10

Walking

5/10

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 Willisau's climate page.

More climate data for Willisau

Temperature Rainfall Sunshine Humidity

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