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Weather in Köln for August 2025

Your guide to Köln weather in August - trends and predictions
  • In general, the average temperature in Köln at the beginning of August is 22.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 24 °C by the end of August.

  • Köln experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.

  • Is August a good time to visit Köln? check out the best time to travel to Köln page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/15°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Köln in August average weather

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Temperatures trend during August in Köln

See the weather trend as well as the moving average line
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August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 19.9 mm 6
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /15° 8.9 mm 6
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /15° 8.6 mm 5
4 Aug. Heavy rain at times
Heavy rain at times
21° /13° 1.6 mm 5
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /14° 4.7 mm 6
6 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
23° /14° 12.9 mm 6
7 Aug. Heavy rain at times
Heavy rain at times
21° /14° 4 mm 5
8 Aug. Patchy rain possible
Patchy rain possible
22° /14° 1 mm 5
9 Aug. Patchy rain possible
Patchy rain possible
23° /15° 4.9 mm 5
10 Aug. Partly cloudy
Partly cloudy
25° /12° 0 mm 7
11 Aug. Sunny
Sunny
29° /15° 0 mm 7
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /17° 12.4 mm 6
13 Aug. Partly cloudy
Partly cloudy
30° /16° 20.7 mm 8
14 Aug. Partly cloudy
Partly cloudy
27° /16° 1.4 mm 7
15 Aug. Patchy rain possible
Patchy rain possible
26° /17° 2 mm 6
16 Aug. Heavy rain at times
Heavy rain at times
26° /16° 3.5 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
25° /17° 4.3 mm 6
18 Aug. Partly cloudy
Partly cloudy
25° /16° 3.7 mm 6
19 Aug. Heavy rain at times
Heavy rain at times
27° /16° 0.6 mm 6
20 Aug. Patchy rain possible
Patchy rain possible
28° /16° 1.9 mm 6
21 Aug. Sunny
Sunny
23° /15° 0.3 mm 6
22 Aug. Partly cloudy
Partly cloudy
26° /14° 0 mm 7
23 Aug. Sunny
Sunny
27° /16° 0 mm 7
24 Aug. Patchy rain possible
Patchy rain possible
30° /17° 1.7 mm 7
25 Aug. Light rain shower
Light rain shower
23° /15° 2.8 mm 6
26 Aug. Partly cloudy
Partly cloudy
24° /13° 0.1 mm 6
27 Aug. Light rain shower
Light rain shower
24° /13° 1.9 mm 6
28 Aug. Overcast
Overcast
25° /13° 0 mm 7
29 Aug. Light rain shower
Light rain shower
26° /15° 2.4 mm 6
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /15° 6.5 mm 5
31 Aug. Patchy rain possible
Patchy rain possible
24° /12° 1.5 mm 6
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Important Notice
Our weather forecast for Köln in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Köln forecast closer to your planned date for the most up-to-date weather information.

Guide for Köln in August

In August, Köln, Germany experiences mild and pleasant weather, making it an ideal time to visit. At the beginning of the month, the average temperature hovers around 18°, with occasional warm days reaching 25°.

The city enjoys long daylight hours, providing ample time for outdoor exploration and sightseeing. However, it's advisable to carry a light jacket or sweater for cooler evenings.

As the month progresses, the weather in Köln gradually begins to transition towards early signs of autumn. By the end of August, temperatures tend to slightly decrease, averaging around 17° with occasional highs of 23°.

Visitors can expect comfortable weather for outdoor activities such as visiting the iconic Cologne Cathedral or strolling along the Rhine River.

August in Köln generally sees moderate levels of precipitation, so it's a good idea to pack an umbrella or raincoat for the occasional showers.

Overall, August offers a delightful blend of warm days and comfortable evenings, making it an excellent time to explore the cultural and historical attractions that Köln has to offer.

Köln in August - FAQ

Is August a good time to visit Köln?
Yes, August is a good time to traveling to Köln, read more about the best time to visit Köln.
What are the expected maximum and minimum temperatures in Köln during August?
During August, expect a variety of temperatures with highs around 23° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Köln during August?
Significant rainfall exceeding 188 mm is expected in Köln during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Köln during August?
The average wind speed in Köln during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Köln in August?

As you prepare for your trip to Köln in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Köln, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days

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Location coordinates Where is Köln?

Get accurate weather forecasts for Köln, located at latitude 50.933 and longitude 6.95. Stay updated with localized weather information tailored for Köln.

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