The temperatures in Ischia in December are usually low and can range between 12°C and 14°C.
You can expect about 3 to 8 days of rain in Ischia during the month of December. 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 Ischia in December 2025.
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.
Temperatures
14° / 12°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
141
mm
Sun Hours
10.1
Hrs