Climate in Köln, Germany

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Köln, Germany

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Köln, Germany

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Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Köln, Germany

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Köln, Germany

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Weather Forecasts for Köln

Fri   Mar 29
14°C | 7°C
SE 18 km/h
4.3 mm
overcast and rain

overcast and rain

Sat   Mar 30
20°C | 9°C
S 18 km/h
3.3 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Sun   Mar 31
19°C | 7°C
S 14 km/h
1.7 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Köln 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 Köln?
    July has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Köln?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Köln?
    December tops the wettest month list with 99 mm of rainfall.
  • Which is the driest month in Köln?
    April is the driest month with 57 mm of precipitation.
  • Which is the sunniest month in Köln?
    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.