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 perfect, 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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Köln's climate page.

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 *  

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.

Swimming

7/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Köln's climate page.

More climate data for Köln

Temperature Rainfall Sunshine

See the full Köln climate overview or explore weather in Germany.