Köln Weather in May

Köln in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 67 mm (2.6 in) on average, so pack waterproofs just in case.

Rainfall in Köln in May

Analyzing past climate data, one can expect approximately 16 days of rain, averaging 67 mm (2.6 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Köln in May

May in Köln is generally excellent, with days reaching 20°C (68°F) and nights settling around 9°C (48°F). 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 Köln in May

There are approximately 199 hours of sunshine this month, resulting in mostly clear days.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Köln.