Köln Weather in December

Köln in December sees low temperatures, with highs around 7°C (45°F) and overnight lows of 2°C (36°F). Rainfall is at its peak this month, around 99 mm (3.9 in) on average, so waterproofs are essential.

Rainfall in Köln in December

This is the wettest month of the year, so having an umbrella ready is a smart choice. Typically around 18 days of rainfall are expected, averaging 99 mm (3.9 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Köln in December

Daytime highs in Köln in December reach 7°C (45°F), with nights around 2°C (36°F). During December, the winter season is in full swing. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights fall to 2°C (36°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 Köln in December

The month is characterized by fewer sunny days, with roughly 45 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Köln.