Average annual temperature is 19.9 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 5.7 °C
Number of sunny days: 242 days
Number of rainy days: 123 days
Look at detailed online map of Íos
* Weather data for Íos Greece is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.8 | 19.0 | 21.3 | 21.1 | 25.8 | 30.1 | 36.7 | 31.8 | 31.0 | 27.1 | 29.0 | 21.1 |
| Average daytime temperature (°C) | 16.0 | 14.0 | 16.8 | 18.8 | 21.7 | 26.5 | 31.9 | 30.0 | 27.6 | 24.5 | 21.9 | 18.1 |
| Average temperature (°C) | 14.3 | 12.1 | 14.7 | 16.4 | 18.9 | 23.4 | 28.3 | 27.2 | 24.9 | 22.1 | 19.8 | 16.2 |
| Average night temperature (°C) | 12.7 | 10.4 | 12.6 | 14.2 | 16.6 | 20.8 | 25.0 | 24.7 | 22.6 | 19.9 | 17.4 | 14.1 |
| Absolute minimum temperature (°C) | 8.4 | 5.7 | 9.4 | 12.1 | 14.0 | 17.8 | 22.4 | 23.5 | 20.5 | 17.7 | 11.5 | 10.6 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 8.6 | 8.7 | 9.8 | 10.9 | 11.5 | 12.9 | 13.1 | 12.6 | 11.2 | 9.8 | 8.1 | 7.8 |
| Precipitation (mm) | 51 | 12 | 31 | 15 | 47 | 11 | 0 | 0 | 21 | 0 | 27 | 38 |
| Sunny days | 15 | 18 | 13 | 15 | 13 | 25 | 31 | 31 | 21 | 29 | 12 | 19 |
| Rainy days | 16 | 10 | 18 | 15 | 18 | 5 | 0 | 0 | 9 | 2 | 18 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Íos during the most sunny months:
The largest precipitation sum in Íos is at