Bonn
May
Weather in Bonn for May 2026
Your guide to Bonn weather in May - trends and predictions
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.
Bonn experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 90.5 mm.
Is May a good time to visit Bonn? check out the best time to travel to Bonn page.
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Temperatures
Rain 🌧️
More
4
Dry days
27
Rainy days
0
Snow days
19°/8°
Temperatures
14 km/h
Avg max wind
73 %
Avg humidity
Bonn Weather May
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Temperatures trend during May in Bonn
See the weather trend as well as the moving average line
May weather in Bonn day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 23° /9° | 1.4 mm | 5 | |
| 2 May | Patchy rain possible | 20° /9° | 2 mm | 5 | |
| 3 May | Light rain shower | 17° /5° | 5.1 mm | 4 | |
| 4 May | Patchy rain possible | 17° /5° | 0.1 mm | 4 | |
| 5 May |  Moderate or heavy rain shower | 18° /7° | 2.8 mm | 4 | |
| 6 May |  Cloudy | 17° /7° | 4.8 mm | 4 | |
| 7 May | Moderate or heavy rain shower | 18° /7° | 6.8 mm | 4 | |
| 8 May | Moderate rain at times | 17° /7° | 2.1 mm | 4 | |
| 9 May |  Partly cloudy | 19° /7° | 6 mm | 5 | |
| 10 May | Moderate rain at times | 19° /7° | 3.8 mm | 5 | |
| 11 May | Partly cloudy | 20° /8° | 1.3 mm | 5 | |
| 12 May | Partly cloudy | 21° /9° | 1.8 mm | 5 | |
| 13 May | Patchy rain possible | 21° /8° | 0.6 mm | 5 | |
| 14 May | Patchy rain possible | 22° /8° | 0.3 mm | 5 | |
| 15 May | Patchy rain possible | 19° /9° | 0.6 mm | 4 | |
| 16 May | Patchy rain possible | 16° /7° | 3.3 mm | 4 | |
| 17 May | Patchy rain possible | 17° /7° | 3.2 mm | 4 | |
| 18 May |  Overcast | 16° /6° | 2.3 mm | 4 | |
| 19 May | Partly cloudy | 20° /6° | 2 mm | 5 | |
| 20 May | Patchy rain possible | 20° /9° | 1 mm | 5 | |
| 21 May | Patchy rain possible | 23° /9° | 3.1 mm | 5 | |
| 22 May | Patchy rain possible | 19° /10° | 2.7 mm | 4 | |
| 23 May | Light rain shower | 17° /6° | 2.5 mm | 4 | |
| 24 May | Overcast | 15° /6° | 4.3 mm | 4 | |
| 25 May | Partly cloudy | 20° /8° | 2.6 mm | 5 | |
| 26 May | Partly cloudy | 20° /8° | 2.1 mm | 5 | |
| 27 May | Overcast | 20° /8° | 2.9 mm | 5 | |
| 28 May | Light rain shower | 20° /8° | 7.3 mm | 5 | |
| 29 May | Cloudy | 19° /9° | 6.9 mm | 4 | |
| 30 May | Cloudy | 20° /9° | 4 mm | 5 | |
| 31 May |  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.
Change Month
Bonn weather in May vs April vs June
Compare May weather in Bonn with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| April | May | June | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 15°/5° | 19°/8° | 24°/12° |
| Rainfall | 74 mm | 91 mm | 84 mm |
| Snowfall | 2 cm | 0 cm | 0 cm |
| Wind | 15.5 km/h | 13.9 km/h | 14.8 km/h |
| Humidity | 70% | 73% | 67% |
| Rainy days | 21 days | 27 days | 17 days |
| Snow days | 1 days | 0 days | 0 days |
| Dry days | 8 days | 4 days | 13 days |
Planning a trip to Bonn? Discover the best time to visit
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 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bonn during May?
Moderate rainfall is anticipated in Bonn during May, with a total of 90.5 mm spread over approximately 27 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bonn during May?
The average wind speed in Bonn during May is 14 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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