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Cologne Weather and Climate: A Comprehensive Guide

Cologne has a mild continental climate. However the climate is influenced by the Atlantic Ocean and the North Sea. During winter this region is one of the warmest in Germany. The best time to go to Cologne is in summer (June till August).

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Cologne. Typically, average maximum daytime temperatures range from a comfortable 25°C in July to a chilly 6°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 1°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Cologne has a moderate amount of precipitation, averaging 955 mm of rain/snowfall annually. Cologne offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between December (99 mm) and April (58 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, Cologne serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.0 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Forecast for Cologne

Sun   Dec 22
10°C | 2°C
W 6 m/s
7.7 mm
overcast and heavy rain

overcast and heavy rain

Mon   Dec 23
6°C | 2°C
NW 7 m/s
4.3 mm
partly cloudy and rain

partly cloudy and rain

Tue   Dec 24
6°C | 1°C
SW 3 m/s
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Cologne in Germany

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Cologne?
    July has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Cologne?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Cologne?
    December tops the wettest month list with 99 mm of rainfall.
  • Which is the driest month in Cologne?
    April is the driest month with 58 mm of precipitation.
  • Which is the sunniest month in Cologne?
    July is the sunniest month with an average of 209 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.