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Weather in Bonn for August 2025

Your guide to Bonn weather in August - trends and predictions

    Temperatures

  • The forecast for the first days of August 2025 in Bonn predicts temperatures to be around 25 °C, close to the historical average.

  • In general, the average temperature in Bonn at the beginning of August is 23 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.7 °C by the end of August.

    • Rain 🌧️

  • Bonn experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 141.4 mm.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/15°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Bonn Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Heavy rain
21°
2
Patchy rain possible
20°
3
Partly cloudy
24°
4
Patchy rain possible
19°
5
Patchy rain possible
23°
6
Sunny
23°
7
Sunny
31°
8
Sunny
31°
9
Patchy rain possible
30°
10
Patchy rain possible
27°
11
Sunny
31°
12
Patchy rain possible
29°
13
Patchy rain possible
23°
14
Patchy rain possible
27°
15
Moderate or heavy rain shower
26°
16
Heavy rain at times
26°
17
Patchy rain possible
25°
18
Cloudy
24°
19
Heavy rain at times
27°
20
Overcast
28°
21
Patchy rain possible
23°
22
Partly cloudy
26°
23
Sunny
26°
24
Patchy rain possible
31°
25
Light rain shower
24°
26
Partly cloudy
24°
27
Moderate or heavy rain shower
23°
28
Overcast
24°
29
Moderate or heavy rain shower
26°
30
Light rain shower
22°
31
Light rain shower
23°

Temperatures trend during August in Bonn

See the weather trend as well as the moving average line

August weather in Bonn day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Heavy rain
Heavy rain
 21° /13° 34.4 mm 1.2
2 Aug. Patchy rain possible
Patchy rain possible
 20° /10° 2.8 mm 1.3
3 Aug. Partly cloudy
Partly cloudy
 24° /14° 0.1 mm 1.7
4 Aug. Patchy rain possible
Patchy rain possible
 19° /17° 1 mm 4
5 Aug. Patchy rain possible
Patchy rain possible
 23° /14° 0.2 mm 4
6 Aug. Sunny
Sunny
 23° /10° 0 mm 5
7 Aug. Sunny
Sunny
 31° /13° 0 mm 6
8 Aug. Sunny
Sunny
 31° /18° 0.1 mm 6
9 Aug. Patchy rain possible
Patchy rain possible
 30° /19° 0.4 mm 5
10 Aug. Patchy rain possible
Patchy rain possible
 27° /18° 0.1 mm 5
11 Aug. Sunny
Sunny
 31° /15° 0 mm 6
12 Aug. Patchy rain possible
Patchy rain possible
 29° /20° 0 mm 5
13 Aug. Patchy rain possible
Patchy rain possible
 23° /16° 0.1 mm 4
14 Aug. Patchy rain possible
Patchy rain possible
 27° /16° 4.4 mm 6
15 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /16° 6.5 mm 6
16 Aug. Heavy rain at times
Heavy rain at times
 26° /16° 4.1 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
 25° /17° 6.7 mm 6
18 Aug. Cloudy
Cloudy
 24° /15° 2.6 mm 5
19 Aug. Heavy rain at times
Heavy rain at times
 27° /15° 0.8 mm 7
20 Aug. Overcast
Overcast
 28° /15° 1.1 mm 7
21 Aug. Patchy rain possible
Patchy rain possible
 23° /15° 0.5 mm 6
22 Aug. Partly cloudy
Partly cloudy
 26° /13° 0 mm 7
23 Aug. Sunny
Sunny
 26° /14° 0 mm 7
24 Aug. Patchy rain possible
Patchy rain possible
 31° /16° 1.8 mm 8
25 Aug. Light rain shower
Light rain shower
 24° /15° 4 mm 6
26 Aug. Partly cloudy
Partly cloudy
 24° /12° 0.1 mm 6
27 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /12° 5.8 mm 6
28 Aug. Overcast
Overcast
 24° /12° 0 mm 6
29 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /14° 5 mm 6
30 Aug. Light rain shower
Light rain shower
 22° /14° 8 mm 5
31 Aug. Light rain shower
Light rain shower
 23° /12° 2.3 mm 5
Next
Important Notice
Our weather forecast for Bonn 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 Bonn forecast closer to your planned date for the most up-to-date weather information.
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Bonn in August - FAQ

What are the expected maximum and minimum temperatures in Bonn during August?
During August, expect a variety of temperatures with highs around 25° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bonn during August?
Significant rainfall exceeding 141.4 mm is expected in Bonn during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bonn during August?
The average wind speed in Bonn during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Bonn in August?

As you prepare for your trip to Bonn 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 Bonn, 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 Bonn

Explore the daily rainfall trends and prepare for Bonns August weather 💧

UV exposure in Bonn during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

Quick links

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Location coordinates Where is Bonn?

Get accurate weather forecasts for Bonn, located at latitude 50.734 and longitude 7.095. Stay updated with localized weather information tailored for Bonn.

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