Bonn in december: average Weather, Temperature and Climate
Weather in Bonn in december 2026
The weather in Bonn in the month of december comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 99.9cm
Weather at 6am
38°F
Cloudy
26% of time
22%
19%
11%
Weather at 12pm
43°F
Cloudy
33% of time
22%
18%
11%
Weather at 6pm
40°F
Cloudy
26% of time
18%
17%
15%
Weather at 3am
38°F
19%
18%
16%
15%
Evolution of daily average temperature and precipitation in Bonn in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Bonn in december.
The climate of Bonn in december is very bad
The weather in december in Bonn is wet (with 2.7in of rainfall over 4 days). The situation is deteriorating compared to the previous month since in november there is an average of 2.1in of precipitation over 4 days.
The climate is rather cold in that area this month. Plan a sweater! The thermometer averaged maximum of 43°F. In the morning the temperature drops to 38°F. Thus, the mean temperature average in december in Bonn is 40°F. These temperatures are far removed from those records observed in Bonn in the month of december with a maximum record of 59°F in 2021 and a minimum record of 9°F in 2010. You need to prepare to have about 10 days with temperatures under 32°F, or 32% of time.
In december in Bonn, the days on average last 07:59. Sunrise is at 08:27 and sets at 16:26.
Seasonal average climate and temperature of Bonn in december
Check below seasonal norms These datas are set from the weather statements earlier years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 40°F | ||||
| Highest temperature | 43°F | ||||
| Lowest temperature | 38°F | ||||
| Highest record temperature | 59°F (2021) | ||||
| Lowest record temperature | 9°F (2010) | ||||
| Number of days at -32°F | 10 day(s) (32%) | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 31°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.7in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 0.8in (2011) | ||||
| Snowfall | 99.9cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 7.75km | ||||
| Cloud cover | 63% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:27 | ||||
| Time of sunset | 16:26 | ||||
| Length of day | 07:59 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Bonn in december 2025:
34°F to 43°F
40°F to 41°F
41°F to 45°F
43°F to 45°F
40°F to 47°F
43°F to 50°F
49°F to 52°F
50°F to 58°F
49°F to 56°F
50°F to 56°F
43°F to 50°F
45°F to 52°F
41°F to 49°F
38°F to 49°F
38°F to 49°F
41°F to 47°F
38°F to 49°F
47°F to 52°F
45°F to 52°F
41°F to 49°F
45°F to 50°F
40°F to 45°F
34°F to 45°F
32°F to 36°F
31°F to 38°F
29°F to 40°F
31°F to 40°F
29°F to 40°F
29°F to 36°F
29°F to 38°F
29°F to 36°F
Map: other cities in Germany in december
Cities near Bonn:
| Cologne in december | very bad weather |
| Dusseldorf in december | very bad weather |
| Cochem in december | very bad weather |
| Aachen in december | very bad weather |
| Essen in december | very bad weather |
| Duisburg in december | very bad weather |
| Dortmund in december | very bad weather |
| Schmallenberg in december | very bad weather |
| Giessen in december | very bad weather |
| Bocholt in december | very bad weather |
| Frankfurt in december | very bad weather |
| Münster in december | very bad weather |
Click over cities on the map for information about the weather in december.
Bonn
perfect weather
good
tolerable
bad
very bad
Weather data for Bonn in december:
Weather data for Bonn for december are derived from an average of the weather forecast since 2009 in Bonn. There is a margin of error and these forecasts are to be considered as general information only. The weather in Bonn can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Bonn.