Cologne vs London

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in August. London offers 10 hours of daily sunshine with only 10 rain days, while Cologne sees 10 sunshine hours and 12 rain days.

Cologne sits in the comfortable travel range at 23°C. London is also comfortable at 21°C.

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

Cologne reaches an average high of 23°C (73°F) and drops to 14°C (57°F) at night during August. The daily temperature range is 9°C, meaning moderate variation throughout the day.

London averages 21°C (70°F) for the high and 13°C (55°F) for the low, with a daily range of 8°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 August.

Cologne receives approximately 79 mm of rainfall across 12 rain days during August. You can expect rain roughly every other day.

London sees 61 mm over 10 rain days. That makes London the drier option by 2 rain days and 18 mm of total precipitation.

Both cities share similar humidity levels at 65%.