Average annual temperature is 18.2 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 219 days
Number of rainy days: 146 days
Look at detailed online map of Giannioú
* Weather data for Giannioú 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) | 16.9 | 19.7 | 20.9 | 20.1 | 25.6 | 31.1 | 42.2 | 34.3 | 34.5 | 26.9 | 26.3 | 18.9 |
| Average daytime temperature (°C) | 14.7 | 12.8 | 15.8 | 17.4 | 21.4 | 26.9 | 33.4 | 31.0 | 27.9 | 24.3 | 20.7 | 16.5 |
| Average temperature (°C) | 12.0 | 10.0 | 12.7 | 14.1 | 17.7 | 22.6 | 28.1 | 26.1 | 23.4 | 20.0 | 17.5 | 13.6 |
| Average night temperature (°C) | 9.6 | 7.3 | 9.6 | 10.8 | 14.4 | 18.5 | 23.1 | 21.6 | 19.8 | 16.5 | 14.1 | 10.8 |
| Absolute minimum temperature (°C) | 6.1 | 3.9 | 5.0 | 8.0 | 11.3 | 14.6 | 19.2 | 20.1 | 17.6 | 14.3 | 8.3 | 8.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.2 | 8.6 | 9.7 | 10.1 | 11.0 | 12.8 | 13.0 | 12.6 | 11.1 | 9.9 | 8.8 | 7.7 |
| Precipitation (mm) | 42 | 19 | 50 | 51 | 43 | 57 | 0 | 0 | 35 | 8 | 62 | 64 |
| Sunny days | 15 | 15 | 15 | 14 | 10 | 20 | 30 | 31 | 19 | 23 | 13 | 14 |
| Rainy days | 16 | 13 | 16 | 16 | 21 | 10 | 1 | 0 | 11 | 8 | 17 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Giannioú during the most sunny months:
The largest precipitation sum in Giannioú is at