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The temperatures in Ilmenau in October are quite cold with temperatures between 5°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Ilmenau during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Ilmenau can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Ilmenau in October 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 |