Click on a day for an hourly weather forecast
The weather in Ischia in August is very hot. The average temperatures are between 25°C and 28°C, drinking water regularly is advisable.
You can expect a few rainy days in Ischia during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Ischia in August 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 |