Monthly climate guide
Cologne weather in December
December in Cologne is typically cold, with average daytime highs around 6°C (44°F) and night-time lows near 1°C (35°F). The month usually brings about 83 mm of rain (some rain) and is often cloudy. Daytime highs are 3°C cooler than November and 2°C warmer than January.
What stands out in December
- Only 2 months are cooler in Cologne than December.
- Check the hourly forecast before heading to Cologne Cathedral — showers are likely.
- December brings early winter to Cologne.
- There's little difference between day and night (around 5°C).
It's usually the wettest month of the year.
Avg high
6°C
44°F
Avg low
1°C
35°F
Rainfall
83 mm
some rain
Humidity
93%
relative
Sky
83%
cloud · often cloudy
Cologne weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 5°C / 41°F | 0°C / 31°F | 76 mm | 92% | 83% |
| February | 6°C / 43°F | -1°C / 30°F | 55 mm | 88% | 75% |
| March | 11°C / 51°F | 1°C / 34°F | 49 mm | 83% | 68% |
| April | 15°C / 59°F | 4°C / 40°F | 38 mm | 77% | 65% |
| May | 19°C / 65°F | 8°C / 46°F | 58 mm | 75% | 69% |
| June | 22°C / 72°F | 12°C / 53°F | 76 mm | 72% | 71% |
| July | 25°C / 76°F | 14°C / 57°F | 70 mm | 68% | 68% |
| August | 25°C / 77°F | 14°C / 57°F | 71 mm | 68% | 66% |
| September | 21°C / 70°F | 10°C / 51°F | 54 mm | 72% | 64% |
| October | 16°C / 60°F | 7°C / 45°F | 62 mm | 83% | 72% |
| November | 10°C / 49°F | 3°C / 38°F | 57 mm | 90% | 77% |
| December | 6°C / 44°F | 1°C / 35°F | 83 mm | 93% | 83% |
What to pack for December
- A proper insulated winter coat
- A hat, scarf and gloves
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit Cologne?
Our Cologne guide recommends: April to October for mild weather and long daylight hours.
Kölsch beer is traditionally served in small 0.2-litre glasses — expect your waiter to keep bringing fresh ones until you say stop.
Best time to visit Cologne →Other Germany cities in December
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Cologne weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/germany/cologne/december
<a href="https://weathercompare.eu/weather/germany/cologne/december">Cologne weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/germany/cologne" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Cologne weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/germany/cologne/december">Cologne weather in December</a> – WeatherCompare</p>
Cologne in December: quick answers
Is December a good time to visit Cologne?
December is cool in Cologne, with highs around 6°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Cologne in December?
Average highs are about 6°C (44°F) and average lows about 1°C (35°F), based on 10 years of daily data.
Does it rain a lot in Cologne in December?
Cologne typically gets around 83 mm of rain in December — some rain. It's usually the wettest month of the year.
When is the best time to visit Cologne?
April to October for mild weather and long daylight hours.
Figures are long-term averages for the area around Cologne (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.