Overall on the next 14 days there will be 1 days with snow in Iserlohn and a total of 0.1 cm of snow.
It will be snowy on the following days:
°F °C
Iserlohn 
Weather in December 2025
Overall on the next 14 days there will be 1 days with snow in Iserlohn and a total of 0.1 cm of snow.
It will be snowy on the following days:
The weather in Iserlohn in December is very cold with temperatures between 0°C and 4°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Iserlohn. 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.
Iserlohn 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 Iserlohn in December 2025.
If you’re planning to visit Iserlohn in the near future, we highly recommend that you review the 14 day weather forecast for Iserlohn before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 9 | 7 | 16 | 123 mm | Awful | Iserlohn in January |
| February | 5° / -1° | 8 | 8 | 13 | 90 mm | Awful | Iserlohn in February |
| March | 9° / 2° | 8 | 15 | 9 | 85 mm | Awful | Iserlohn in March |
| April | 13° / 5° | 6 | 21 | 3 | 64 mm | Bad | Iserlohn in April |
| May | 16° / 8° | 7 | 23 | 1 | 98 mm | Ok | Iserlohn in May |
| June | 20° / 11° | 7 | 23 | 0 | 109 mm | Ok | Iserlohn in June |
| July | 22° / 13° | 8 | 23 | 0 | 135 mm | Ok | Iserlohn in July |
| August | 22° / 14° | 6 | 25 | 0 | 111 mm | Good | Iserlohn in August |
| September | 19° / 11° | 5 | 25 | 0 | 75 mm | Good | Iserlohn in September |
| October | 13° / 7° | 7 | 23 | 1 | 85 mm | Bad | Iserlohn in October |
| November | 8° / 3° | 8 | 17 | 5 | 93 mm | Awful | Iserlohn in November |
| December | 4° / 0° | 10 | 10 | 12 | 128 mm | Awful | Iserlohn in December |
