Bonn
December
Weather in Bonn for December 2025
Your guide to Bonn weather in December - trends and predictions
Snowfall in Bonn during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Bonn at the beginning of December is 5.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 9.4 °C by the end of December.
Bonn experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 99.7 mm.
Is December a good time to visit Bonn? check out the best time to travel to Bonn page.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
1
Snow days
8°/4°
Temperatures
19 km/h
Avg max wind
81 %
Avg humidity
Bonn in December average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  5° | 2  5° | 3 4° | 4  4° | 5  6° | 6  7° | 7  7° |
| 8 5° | 9 8° | 10  7° | 11 8° | 12  7° | 13 7° | 14 6° |
| 15 7° | 16 9° | 17 10° | 18  10° | 19 11° | 20 6° | 21 9° |
| 22  9° | 23 9° | 24 10° | 25 10° | 26  10° | 27 8° | 28 9° |
| 29 9° | 30 9° | 31 11° |
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Temperatures trend during December in Bonn
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Light snow | 5° /-1° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | 5° /1° | 0.4 mm | 0 cm | |
| 3 Dec. | Overcast | 4° /0° | 1.8 mm | 0 cm | |
| 4 Dec. | Light sleet | 4° /-1° | 0.6 mm | 0 cm | |
| 5 Dec. | Light rain | 6° /1° | 3.7 mm | 0 cm | |
| 6 Dec. | Moderate or heavy snow showers | 7° /2° | 5.2 mm | 0.3 cm | |
| 7 Dec. | Cloudy | 7° /1° | 0.6 mm | 0 cm | |
| 8 Dec. | Light rain | 5° /1° | 2.4 mm | 0 cm | |
| 9 Dec. | Light rain | 8° /3° | 3.2 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 7° /5° | 1.8 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 8° /3° | 0.5 mm | 0 cm | |
| 12 Dec. | Moderate rain | 7° /2° | 4 mm | 0 cm | |
| 13 Dec. | Light rain shower | 7° /3° | 1.1 mm | 0 cm | |
| 14 Dec. | Patchy rain possible | 6° /2° | 0.9 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 7° /2° | 1 mm | 0 cm | |
| 16 Dec. | Overcast | 9° /5° | 0.4 mm | 0 cm | |
| 17 Dec. | Overcast | 10° /5° | 0 mm | 0 cm | |
| 18 Dec. | Sunny | 10° /4° | 0.3 mm | 0 cm | |
| 19 Dec. | Light drizzle | 11° /4° | 7.1 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 6° /3° | 3.5 mm | 0 cm | |
| 21 Dec. | Light rain shower | 9° /5° | 7.4 mm | 0 cm | |
| 22 Dec. | Moderate or heavy rain shower | 9° /4° | 10.9 mm | 0.1 cm | |
| 23 Dec. | Moderate or heavy rain shower | 9° /6° | 6.4 mm | 0.1 cm | |
| 24 Dec. | Patchy rain possible | 10° /5° | 3.8 mm | 0 cm | |
| 25 Dec. | Moderate or heavy rain shower | 10° /6° | 4.7 mm | 0 cm | |
| 26 Dec. | Heavy rain at times | 10° /4° | 2.1 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 8° /3° | 0.4 mm | 0 cm | |
| 28 Dec. | Moderate rain at times | 9° /3° | 1.4 mm | 0 cm | |
| 29 Dec. | Moderate rain at times | 9° /5° | 1.8 mm | 0 cm | |
| 30 Dec. | Moderate or heavy rain shower | 9° /4° | 1.9 mm | 0 cm | |
| 31 Dec. | Moderate rain at times | 11° /6° | 2.2 mm | 0 cm | |
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Important Notice
Our weather forecast for Bonn in December 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.
Bonn in December - FAQ
What are the expected maximum and minimum temperatures in Bonn during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Bonn during December?
Moderate rainfall is anticipated in Bonn during December, with a total of 99.7 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
Will it snow in Bonn in December 2025?
Bonn typically sees 0.33 cm of snowfall during December.
What are the typical wind conditions in Bonn during December?
The average wind speed in Bonn during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Bonn in December?
As you prepare for your trip to Bonn in December, 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 December, 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
Bonn snow forecast December 2025
Track daily snowfall levels and discover Bonn’s snowy potential this December ❄️
December rainfall patterns in Bonn
Explore the daily rainfall trends and prepare for Bonns December weather 💧
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