Generally, the weather in Ischia for the duration of January is 6. Average high is typically 13 degrees and a low of 8 degrees. With the details being further below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 6 |
| High Temperature | 13 |
| Low Temperature | 8 |
| Sunshine Per Day | 5 |
Useful Links: Ischia Weather: Average Weather & Yearly Climate