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Köln Weather in August
August in Köln averages 25°C (77°F) during the day and 14°C (57°F) at night. Quite a bit of rainfall is typical this month, with around 84 mm (3.3 in) on average. An umbrella is a good idea.
Rainfall in Köln in August
Typically around 15 days of rainfall are expected, averaging 84 mm (3.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Köln in August
August in Köln is generally excellent, with days reaching 25°C (77°F) and nights settling around 14°C (57°F). August is part of the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Köln in August
There are approximately 198 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Köln.
Köln Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
49%
Precipitation
84 mm (3.3 in)
Rainy days
15 days
Sunshine
198 hours *
Percentage Sunshine
*
Köln Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Köln - and find the best time to visit.
Best Places in Germany in August
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Köln in August
For Köln in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Köln in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Köln 3-Day Forecast
More climate data for Köln
See the full Köln climate overview or explore weather in Germany.
Popular in August
Where to go in August - average daytime high across popular destinations.
Berlin
26°C (79°F) Düsseldorf24°C (75°F) Hanover24°C (75°F) Munich25°C (77°F) Cologne25°C (77°F) Hamburg24°C (75°F) Winterberg
22°C (72°F) Binz
21°C (70°F) Bucket list
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