Weather in Köln for August 2025
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.
Köln in August average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 25° | 3 22° | ||||
| 4  21° | 5 24° | 6 23° | 7 21° | 8  22° | 9 23° | 10  25° |
| 11  29° | 12 28° | 13 30° | 14 27° | 15 26° | 16 26° | 17 25° |
| 18 25° | 19 27° | 20 28° | 21 23° | 22 26° | 23 27° | 24 30° |
| 25 23° | 26 24° | 27 24° | 28  25° | 29 26° | 30 22° | 31 24° |
You can click on date
Temperatures trend during August in Köln
August weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 24° /16° | 19.9 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 25° /15° | 8.9 mm | 6 | |
| 3 Aug. | Moderate or heavy rain shower | 22° /15° | 8.6 mm | 5 | |
| 4 Aug. | Heavy rain at times | 21° /13° | 1.6 mm | 5 | |
| 5 Aug. | Moderate or heavy rain shower | 24° /14° | 4.7 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 23° /14° | 12.9 mm | 6 | |
| 7 Aug. | Heavy rain at times | 21° /14° | 4 mm | 5 | |
| 8 Aug. | Patchy rain possible | 22° /14° | 1 mm | 5 | |
| 9 Aug. | Patchy rain possible | 23° /15° | 4.9 mm | 5 | |
| 10 Aug. | Partly cloudy | 25° /12° | 0 mm | 7 | |
| 11 Aug. | Sunny | 29° /15° | 0 mm | 7 | |
| 12 Aug. | Moderate or heavy rain shower | 28° /17° | 12.4 mm | 6 | |
| 13 Aug. | Partly cloudy | 30° /16° | 20.7 mm | 8 | |
| 14 Aug. | Partly cloudy | 27° /16° | 1.4 mm | 7 | |
| 15 Aug. | Patchy rain possible | 26° /17° | 2 mm | 6 | |
| 16 Aug. | Heavy rain at times | 26° /16° | 3.5 mm | 6 | |
| 17 Aug. | Patchy rain possible | 25° /17° | 4.3 mm | 6 | |
| 18 Aug. | Partly cloudy | 25° /16° | 3.7 mm | 6 | |
| 19 Aug. | Heavy rain at times | 27° /16° | 0.6 mm | 6 | |
| 20 Aug. | Patchy rain possible | 28° /16° | 1.9 mm | 6 | |
| 21 Aug. | Sunny | 23° /15° | 0.3 mm | 6 | |
| 22 Aug. | Partly cloudy | 26° /14° | 0 mm | 7 | |
| 23 Aug. | Sunny | 27° /16° | 0 mm | 7 | |
| 24 Aug. | Patchy rain possible | 30° /17° | 1.7 mm | 7 | |
| 25 Aug. | Light rain shower | 23° /15° | 2.8 mm | 6 | |
| 26 Aug. | Partly cloudy | 24° /13° | 0.1 mm | 6 | |
| 27 Aug. | Light rain shower | 24° /13° | 1.9 mm | 6 | |
| 28 Aug. | Overcast | 25° /13° | 0 mm | 7 | |
| 29 Aug. | Light rain shower | 26° /15° | 2.4 mm | 6 | |
| 30 Aug. | Moderate or heavy rain shower | 22° /15° | 6.5 mm | 5 | |
| 31 Aug. | Patchy rain possible | 24° /12° | 1.5 mm | 6 | |
| Next | |||||
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
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
August rainfall patterns in Köln
UV exposure in Köln during August
Quick links
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.