Overall on the next 14 days there will be 3 days with snow in Siegburg and a total of 1.9 cm of snow.
It will be snowy on the following days:
°F °C
Siegburg 
Weather in December 2025
Overall on the next 14 days there will be 3 days with snow in Siegburg and a total of 1.9 cm of snow.
It will be snowy on the following days:
The weather in Siegburg in December is very cold with temperatures between 2°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Siegburg. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Siegburg can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Siegburg in December 2025.
If you’re planning to visit Siegburg in the near future, we highly recommend that you review the 14 day weather forecast for Siegburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 0° | 11 | 17 | 2 | 85 mm | Awful | Siegburg in January |
| February | 6° / 0° | 9 | 18 | 1 | 65 mm | Awful | Siegburg in February |
| March | 11° / 2° | 8 | 22 | 1 | 64 mm | Bad | Siegburg in March |
| April | 15° / 5° | 7 | 23 | 0 | 47 mm | Good | Siegburg in April |
| May | 18° / 8° | 9 | 22 | 0 | 71 mm | Ok | Siegburg in May |
| June | 22° / 12° | 8 | 22 | 0 | 78 mm | Ok | Siegburg in June |
| July | 24° / 14° | 9 | 22 | 0 | 87 mm | Good | Siegburg in July |
| August | 24° / 14° | 10 | 21 | 0 | 91 mm | Good | Siegburg in August |
| September | 20° / 11° | 7 | 23 | 0 | 62 mm | Ok | Siegburg in September |
| October | 15° / 8° | 8 | 23 | 0 | 71 mm | Ok | Siegburg in October |
| November | 10° / 4° | 9 | 21 | 0 | 77 mm | Bad | Siegburg in November |
| December | 6° / 2° | 12 | 17 | 2 | 98 mm | Awful | Siegburg in December |
