Overall on the next 14 days there will be 1 days with snow in Arnsberg and a total of 2 cm of snow.
It will be snowy on the following days:
°F °C
Arnsberg 
Weather in December 2025
Overall on the next 14 days there will be 1 days with snow in Arnsberg and a total of 2 cm of snow.
It will be snowy on the following days:
The weather in Arnsberg in December is very cold with temperatures between 1°C and 5°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Arnsberg. 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.
Arnsberg is going to experience quite a number of days of snow during December. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Arnsberg in December 2025.
If you’re planning to visit Arnsberg in the near future, we highly recommend that you review the 14 day weather forecast for Arnsberg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 8 | 10 | 13 | 84 mm | Awful | Arnsberg in January |
| February | 5° / -1° | 7 | 11 | 10 | 66 mm | Awful | Arnsberg in February |
| March | 9° / 1° | 8 | 17 | 6 | 63 mm | Awful | Arnsberg in March |
| April | 14° / 4° | 5 | 22 | 3 | 53 mm | Ok | Arnsberg in April |
| May | 17° / 7° | 6 | 25 | 0 | 82 mm | Good | Arnsberg in May |
| June | 21° / 10° | 5 | 25 | 0 | 78 mm | Good | Arnsberg in June |
| July | 23° / 12° | 6 | 25 | 0 | 109 mm | Perfect | Arnsberg in July |
| August | 23° / 13° | 5 | 26 | 0 | 89 mm | Perfect | Arnsberg in August |
| September | 19° / 10° | 4 | 26 | 0 | 55 mm | Good | Arnsberg in September |
| October | 14° / 6° | 6 | 25 | 0 | 62 mm | Good | Arnsberg in October |
| November | 9° / 3° | 6 | 21 | 3 | 65 mm | Bad | Arnsberg in November |
| December | 5° / 1° | 8 | 14 | 8 | 83 mm | Awful | Arnsberg in December |
