Cologne Weather & Climate: Best Time to Visit

Visitors to Cologne can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).

At night, temperatures range from around 17°C (63°F) in August to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Cologne experiences moderate precipitation patterns, averaging 807 mm (32 in) yearly. Despite minor fluctuations, Cologne enjoys fairly consistent precipitation throughout the year. In May, you can expect around 87 mm (3.4 in) of precipitation, while in February, Cologne receives about 57 mm (2.2 in). For more details, please visit our Cologne Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Cologne can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Cologne.

The city experiences its highest humidity in December, reaching 88%. In July, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year