Bonn Weather in May

May in Bonn brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 69 mm (2.7 in), so pack an umbrella.

Rainfall in Bonn in May

Typically around 16 days of rainfall are expected, averaging 69 mm (2.7 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Bonn in May

May in Bonn sees highs of 19°C (66°F) and lows of 9°C (48°F) overnight. 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 Bonn in May

The days are predominantly sunny, with an estimated total of around 191 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Should you favor a climate that's both dry and comfortably warm, June, July, August and September 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.