Bonn Weather in December

December in Bonn averages 7°C (45°F) during the day and 2°C (36°F) at night. It is the wettest month of the year, with 88 mm (3.5 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Bonn in December

With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. Past climate data indicates that roughly 17 days will see rain, totalling around 88 mm (3.5 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Bonn in December

Daytime highs in Bonn 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 Bonn in December

This month is characterized by fewer sunny days, with about 41 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

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