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Weather in Bonn for May 2026

Your guide to Bonn weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Bonn at the beginning of May is 18.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.4 °C by the end of May.

    • Rain 🌧️

  • Bonn experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 114.9 mm.

    • More

  • Is May 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
5
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/9°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Bonn Weather May

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

Temperatures trend during May in Bonn

See the weather trend as well as the moving average line

May weather in Bonn day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 23° /9° 1.4 mm 5
2 May Patchy rain possible
Patchy rain possible
 20° /9° 2 mm 5
3 May Light rain shower
Light rain shower
 17° /5° 5.1 mm 4
4 May Patchy rain possible
Patchy rain possible
 17° /5° 0.1 mm 4
5 May Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /7° 2.8 mm 4
6 May Cloudy
Cloudy
 17° /7° 4.8 mm 4
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /7° 6.8 mm 4
8 May Moderate rain at times
Moderate rain at times
 17° /7° 2.1 mm 4
9 May Partly cloudy
Partly cloudy
 19° /7° 6 mm 5
10 May Moderate rain at times
Moderate rain at times
 19° /7° 3.8 mm 5
11 May Partly cloudy
Partly cloudy
 20° /8° 1.3 mm 5
12 May Partly cloudy
Partly cloudy
 21° /9° 1.8 mm 5
13 May Patchy rain possible
Patchy rain possible
 21° /8° 0.6 mm 5
14 May Patchy rain possible
Patchy rain possible
 22° /8° 0.3 mm 5
15 May Patchy rain possible
Patchy rain possible
 19° /9° 0.6 mm 4
16 May Patchy rain possible
Patchy rain possible
 16° /7° 3.3 mm 4
17 May Patchy rain possible
Patchy rain possible
 17° /7° 3.2 mm 4
18 May Overcast
Overcast
 16° /6° 2.3 mm 4
19 May Partly cloudy
Partly cloudy
 20° /6° 2 mm 5
20 May Patchy rain possible
Patchy rain possible
 20° /9° 1 mm 5
21 May Patchy rain possible
Patchy rain possible
 23° /9° 3.1 mm 5
22 May Patchy rain possible
Patchy rain possible
 19° /10° 2.7 mm 4
23 May Light rain shower
Light rain shower
 17° /6° 2.5 mm 4
24 May Overcast
Overcast
 15° /6° 4.3 mm 4
25 May Partly cloudy
Partly cloudy
 20° /8° 2.6 mm 5
26 May Partly cloudy
Partly cloudy
 20° /8° 2.1 mm 5
27 May Overcast
Overcast
 20° /8° 2.9 mm 5
28 May Light rain shower
Light rain shower
 20° /8° 7.3 mm 5
29 May Cloudy
Cloudy
 19° /9° 6.9 mm 4
30 May Cloudy
Cloudy
 20° /9° 4 mm 5
31 May Sunny
Sunny
 24° /10° 1 mm 6
Next
Important Notice
Our weather forecast for Bonn in May 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 May - FAQ

What are the expected maximum and minimum temperatures in Bonn during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bonn during May?
Significant rainfall exceeding 114.9 mm is expected in Bonn during May, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bonn during May?
The average wind speed in Bonn during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Bonn in May?

As you prepare for your trip to Bonn in May, 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 May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Bonn

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

UV exposure in Bonn during May

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

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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