Average annual temperature is 12.5 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 163 days
Number of rainy days: 202 days
Look at detailed online map of Illa
* Weather data for Illa Spain is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.6 | 17.5 | 18.9 | 22.7 | 24.1 | 29.0 | 27.6 | 34.7 | 28.3 | 28.5 | 17.7 | 14.7 |
| Average daytime temperature (°C) | 8.9 | 12.1 | 12.3 | 17.1 | 18.6 | 21.7 | 22.4 | 24.8 | 20.6 | 18.5 | 13.1 | 10.5 |
| Average temperature (°C) | 5.3 | 5.9 | 8.7 | 12.3 | 13.7 | 17.4 | 17.7 | 19.4 | 16.3 | 14.9 | 10.0 | 7.4 |
| Average night temperature (°C) | 2.1 | 1.2 | 5.4 | 7.2 | 9.1 | 12.9 | 12.7 | 14.3 | 12.4 | 11.5 | 7.5 | 4.2 |
| Absolute minimum temperature (°C) | -2.6 | -3.5 | -3.3 | 2.1 | 5.2 | 10.1 | 7.9 | 10.3 | 7.8 | 6.2 | 2.7 | -0.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.0 | 8.8 | 6.1 | 9.6 | 10.8 | 11.6 | 12.4 | 11.3 | 8.9 | 5.4 | 3.8 | 4.3 |
| Precipitation (mm) | 526 | 15 | 361 | 104 | 122 | 150 | 37 | 36 | 163 | 708 | 581 | 350 |
| Sunny days | 12 | 21 | 8 | 17 | 11 | 9 | 20 | 20 | 10 | 12 | 10 | 13 |
| Rainy days | 19 | 7 | 23 | 13 | 20 | 21 | 11 | 11 | 20 | 19 | 20 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Illa during the most sunny months:
The largest precipitation sum in Illa is at