Click on a day for an hourly weather forecast
The weather in Siegen in April is very cold with temperatures between 3°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Siegen during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Siegen during April. It’s important to get out your snow boots and warm mittens to stay warm while you explore Siegen.
Our weather forecast can give you a great sense of what weather to expect in Siegen in April 2026.
If you’re planning to visit Siegen in the near future, we highly recommend that you review the 14 day weather forecast for Siegen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -2° | 9 | 5 | 19 | 115 mm | Awful | Siegen in January |
| February | 4° / -2° | 7 | 7 | 16 | 88 mm | Awful | Siegen in February |
| March | 9° / 0° | 8 | 13 | 10 | 79 mm | Awful | Siegen in March |
| April | 14° / 3° | 6 | 20 | 4 | 66 mm | Ok | Siegen in April |
| May | 17° / 6° | 7 | 23 | 1 | 109 mm | Ok | Siegen in May |
| June | 21° / 10° | 7 | 23 | 0 | 103 mm | Ok | Siegen in June |
| July | 23° / 12° | 7 | 24 | 0 | 119 mm | Good | Siegen in July |
| August | 23° / 12° | 5 | 26 | 0 | 100 mm | Perfect | Siegen in August |
| September | 19° / 9° | 5 | 25 | 0 | 69 mm | Good | Siegen in September |
| October | 13° / 5° | 7 | 23 | 1 | 78 mm | Bad | Siegen in October |
| November | 8° / 2° | 8 | 15 | 6 | 88 mm | Awful | Siegen in November |
| December | 4° / -1° | 10 | 7 | 16 | 127 mm | Awful | Siegen in December |