Click on a day for an hourly weather forecast
The temperatures in Ilmenau in August are comfortable with low of 13°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Ilmenau during the month of August. 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 Ilmenau in August 2026.
If you’re planning to visit Ilmenau in the near future, we highly recommend that you review the 14 day weather forecast for Ilmenau before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 9 | 5 | 19 | 104 mm | Awful | Ilmenau in January |
| February | 3° / -3° | 8 | 5 | 16 | 72 mm | Awful | Ilmenau in February |
| March | 8° / 0° | 8 | 12 | 11 | 69 mm | Awful | Ilmenau in March |
| April | 14° / 4° | 5 | 20 | 4 | 58 mm | Ok | Ilmenau in April |
| May | 17° / 6° | 8 | 23 | 0 | 117 mm | Ok | Ilmenau in May |
| June | 21° / 10° | 8 | 22 | 0 | 129 mm | Ok | Ilmenau in June |
| July | 23° / 12° | 7 | 24 | 0 | 124 mm | Good | Ilmenau in July |
| August | 23° / 13° | 6 | 25 | 0 | 107 mm | Perfect | Ilmenau in August |
| September | 19° / 9° | 5 | 25 | 0 | 79 mm | Good | Ilmenau in September |
| October | 13° / 5° | 7 | 22 | 1 | 83 mm | Bad | Ilmenau in October |
| November | 7° / 2° | 8 | 15 | 7 | 84 mm | Awful | Ilmenau in November |
| December | 3° / -1° | 11 | 6 | 15 | 104 mm | Awful | Ilmenau in December |