Click on a day for an hourly weather forecast
The temperatures in Nienburg in April are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Nienburg 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.
Our weather forecast can give you a great sense of what weather to expect in Nienburg in April 2026.
If you’re planning to visit Nienburg in the near future, we highly recommend that you review the 14 day weather forecast for Nienburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 10 | 20 | 2 | 61 mm | Awful | Nienburg in January |
| February | 5° / 0° | 8 | 19 | 1 | 53 mm | Awful | Nienburg in February |
| March | 9° / 2° | 7 | 23 | 1 | 48 mm | Ok | Nienburg in March |
| April | 14° / 5° | 6 | 24 | 0 | 42 mm | Good | Nienburg in April |
| May | 18° / 8° | 7 | 24 | 0 | 60 mm | Ok | Nienburg in May |
| June | 22° / 12° | 8 | 22 | 0 | 69 mm | Ok | Nienburg in June |
| July | 24° / 14° | 9 | 22 | 0 | 79 mm | Good | Nienburg in July |
| August | 24° / 14° | 9 | 22 | 0 | 75 mm | Good | Nienburg in August |
| September | 20° / 11° | 6 | 24 | 0 | 53 mm | Good | Nienburg in September |
| October | 15° / 8° | 7 | 24 | 0 | 68 mm | Ok | Nienburg in October |
| November | 9° / 4° | 7 | 23 | 0 | 51 mm | Bad | Nienburg in November |
| December | 5° / 1° | 10 | 20 | 2 | 66 mm | Awful | Nienburg in December |