Average annual temperature is 14.0 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 139 days
Number of rainy days: 222 days
Number of snow days: 4 days
Look at detailed online map of Ischia
* Weather data for Ischia Italy is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.3 | 16.6 | 16.7 | 19.0 | 22.0 | 31.4 | 36.7 | 32.1 | 29.1 | 26.9 | 18.8 | 17.0 |
| Average daytime temperature (°C) | 8.9 | 9.6 | 12.2 | 13.0 | 18.0 | 23.2 | 30.0 | 26.6 | 25.4 | 22.2 | 14.1 | 11.2 |
| Average temperature (°C) | 6.1 | 5.8 | 8.2 | 9.1 | 14.2 | 19.2 | 25.0 | 21.8 | 20.4 | 18.0 | 11.2 | 8.4 |
| Average night temperature (°C) | 3.3 | 2.3 | 4.8 | 5.5 | 10.8 | 15.1 | 20.1 | 17.5 | 16.3 | 14.4 | 8.5 | 5.9 |
| Absolute minimum temperature (°C) | -0.7 | -3.3 | 1.6 | 0.9 | 7.9 | 11.6 | 14.9 | 12.7 | 11.6 | 11.0 | -0.2 | 2.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 7.5 | 8.3 | 9.3 | 8.5 | 11.8 | 13.6 | 12.1 | 10.8 | 8.7 | 5.9 | 6.2 |
| Precipitation (mm) | 340 | 46 | 115 | 154 | 299 | 89 | 11 | 76 | 43 | 91 | 259 | 58 |
| Sunny days | 13 | 15 | 13 | 7 | 1 | 10 | 21 | 10 | 18 | 14 | 3 | 14 |
| Rainy days | 18 | 9 | 18 | 23 | 30 | 20 | 10 | 21 | 12 | 17 | 27 | 17 |
| Snow days | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ischia during the most sunny months:
The largest precipitation sum in Ischia is at