Click on a day for an hourly weather forecast
The temperatures in Achern in April are quite cold with temperatures between 5°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Achern 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.
Please note that Achern can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Achern in April 2026.
If you’re planning to visit Achern in the near future, we highly recommend that you review the 14 day weather forecast for Achern before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 9 | 11 | 11 | 119 mm | Awful | Achern in January |
| February | 6° / -1° | 9 | 12 | 8 | 97 mm | Awful | Achern in February |
| March | 11° / 2° | 7 | 20 | 4 | 76 mm | Awful | Achern in March |
| April | 16° / 5° | 5 | 23 | 2 | 62 mm | Ok | Achern in April |
| May | 19° / 8° | 9 | 22 | 0 | 136 mm | Ok | Achern in May |
| June | 23° / 12° | 7 | 24 | 0 | 110 mm | Good | Achern in June |
| July | 25° / 14° | 6 | 25 | 0 | 127 mm | Perfect | Achern in July |
| August | 25° / 14° | 5 | 26 | 0 | 84 mm | Perfect | Achern in August |
| September | 21° / 11° | 3 | 27 | 0 | 56 mm | Good | Achern in September |
| October | 15° / 6° | 5 | 26 | 0 | 66 mm | Good | Achern in October |
| November | 10° / 3° | 7 | 21 | 2 | 85 mm | Awful | Achern in November |
| December | 6° / 0° | 11 | 13 | 7 | 126 mm | Awful | Achern in December |