Climate guide for Cologne, Germany

Cologne in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Germany

Best time to visit Cologne in December Weather, crowds & prices

Weather in Cologne in December

Average temperature 5°C, 86 mm of rain, about 7 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

4.6/10

Ranked #11 of 12 months

Full year for Cologne
Avg temp
5°C
Rainfall
86 mm
Humidity
86%
Days with 6h+ sun
7
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

December in Cologne scores 4.6/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 5°C, 86 mm of rain, and roughly 7 days with 6+ hours of sunshine this month.

Cologne's twin-spired cathedral rises over a Rhine city of Roman roots and a famous carnival.

December in Cologne: expect compromises

Expect 5°C (41°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 86 mm of rain this month — a flexible day or two helps — with about 7 days with 6+ hours of sunshine and 8 hours of daylight to work around it.

That is 4.6/10 on the same scale — 11th of 12 months, versus 8.9/10 for the best month here.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

Expect low-season pricing, and crowds are light for this destination.

If your dates are flexible, August is materially better in Cologne — 4.3 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Cologne in December?
In December, Cologne averages 5°C, 86 mm of rain, and about 7 days with 6+ hours of sunshine. Its climate-comfort score is 4.6/10.
Is December a good time to visit Cologne?
December earns a 4.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cologne in December?
Expect about 86 mm of rain in December. Average humidity is 86% and there are about 7 days with 6+ hours of sunshine.

Curated in Cologne

Tickets & experiences

Things to do in Cologne

Cologne, Germany. Live activities and tours from GetYourGuide, matched to this destination.