December in Cologne, Germany, typically experiences a temperate winter climate. Average temperatures range from a high of around 5C (41F) to a low of around 1C (34F). Precipitation is common, often in the form of rain, but snowfall is also possible. The city’s proximity to the Rhine River can influence humidity levels and contribute to a damp, chilly atmosphere. Days are short, with limited sunlight hours.
Understanding the typical climatic conditions of this period is crucial for anyone planning to visit or reside in Cologne during December. This knowledge informs decisions regarding appropriate clothing, potential travel disruptions, and the feasibility of outdoor activities. Historically, the Christmas markets, which open in late November and continue through December, have become a significant cultural tradition, attracting visitors despite the often inclement weather. These markets offer a festive atmosphere with local crafts, food, and entertainment.