Cologne vs London

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in January. London offers 4 hours of daily sunshine with only 11 rain days, while Cologne sees 4 sunshine hours and 14 rain days.

Cologne is on the cooler side at 5°C, requiring warmer clothing. London is cooler at 7°C.

For travelers who prioritize dry weather, London is the stronger choice in January.

Cologne reaches an average high of 5°C (41°F) and drops to 0°C (32°F) at night during January. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

London averages 7°C (45°F) for the high and 2°C (36°F) for the low, with a daily range of 5°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.

Cologne receives approximately 87 mm of rainfall across 14 rain days during January. You can expect rain roughly every other day.

London sees 55 mm over 11 rain days. That makes London the drier option by 3 rain days and 32 mm of total precipitation.

Both cities share similar humidity levels at 65%.