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.