Click on a day for an hourly weather forecast
The temperatures in Ischia in January are usually low and can range between 10°C and 13°C.
You can expect rain for roughly half of the month of January in Ischia. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Ischia in January 2026.
If you’re planning to visit Ischia in the near future, we highly recommend that you review the 14 day weather forecast for Ischia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 10° | 8 | 23 | 0 | 163 mm | Bad | Ischia in January |
| February | 13° / 10° | 6 | 22 | 0 | 142 mm | Ok | Ischia in February |
| March | 14° / 11° | 6 | 25 | 0 | 121 mm | Good | Ischia in March |
| April | 17° / 14° | 5 | 25 | 0 | 80 mm | Good | Ischia in April |
| May | 20° / 17° | 4 | 27 | 0 | 80 mm | Good | Ischia in May |
| June | 24° / 21° | 3 | 27 | 0 | 57 mm | Perfect | Ischia in June |
| July | 27° / 24° | 2 | 29 | 0 | 39 mm | Perfect | Ischia in July |
| August | 28° / 25° | 1 | 30 | 0 | 27 mm | Perfect | Ischia in August |
| September | 25° / 22° | 6 | 24 | 0 | 136 mm | Perfect | Ischia in September |
| October | 21° / 19° | 6 | 25 | 0 | 190 mm | Good | Ischia in October |
| November | 18° / 15° | 10 | 20 | 0 | 267 mm | Ok | Ischia in November |
| December | 14° / 12° | 6 | 25 | 0 | 141 mm | Good | Ischia in December |