Cologne weather in December 2026

Q: How cold is it in Cologne in December?

Daytime temperatures usually reach 3°C in Cologne in December, falling to -1°C at night.

Q: How sunny is it in Cologne in December?

There are normally 1 hour of bright sunshine each day in Cologne in December - that's 15% of daylight hours.

Q: Does it rain in Cologne in December?

There are usually 16 days with some rain in Cologne in December and the average monthly rainfall is 53mm. Rain may fall as snow in this month.

Expect daytime maximum temperatures of 41°F in Cologne, Germany in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 18 days with some rainfall and typically 2.8 inches of rainfall in the month.

41
41°F max day temperature
1
1 hour of sunshine per day
18
18 days with some rainfall
34
34°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
1
1 (Low) UV index

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The December weather guide for Germany (Cologne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Germany

How cold is it in Cologne in December?

Daytime temperatures usually reach 37°F in Cologne in December, falling to 30°F at night.

How sunny is it in Cologne in December?

There are normally 1 hour of bright sunshine each day in Cologne in December - that's 15% of daylight hours.

Does it rain in Cologne in December?

There are usually 16 days with some rain in Cologne in December and the average monthly rainfall is 2.1 inches. Rain may fall as snow in this month.