Average annual temperature is 17.8 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 2.6 °C
Number of sunny days: 249 days
Number of rainy days: 116 days
Look at detailed online map of Ystérnia
* Weather data for Ystérnia 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) | 16.5 | 16.9 | 17.6 | 19.1 | 22.5 | 27.9 | 34.3 | 31.9 | 31.3 | 24.4 | 26.2 | 19.7 |
| Average daytime temperature (°C) | 13.7 | 11.8 | 14.2 | 16.3 | 18.6 | 23.1 | 29.2 | 27.6 | 25.0 | 22.0 | 19.8 | 16.1 |
| Average temperature (°C) | 12.2 | 10.0 | 12.3 | 13.9 | 16.6 | 20.9 | 26.5 | 25.3 | 22.7 | 20.0 | 17.7 | 14.4 |
| Average night temperature (°C) | 10.3 | 7.8 | 10.2 | 11.4 | 14.8 | 18.9 | 23.8 | 23.1 | 20.8 | 18.5 | 15.4 | 12.6 |
| Absolute minimum temperature (°C) | 6.0 | 2.6 | 6.4 | 8.3 | 12.3 | 16.0 | 19.7 | 20.9 | 18.4 | 16.4 | 9.1 | 9.3 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 8.0 | 8.5 | 9.7 | 10.9 | 11.4 | 12.5 | 13.1 | 12.6 | 11.0 | 9.8 | 7.8 | 7.7 |
| Precipitation (mm) | 70 | 34 | 44 | 33 | 26 | 20 | 1 | 0 | 8 | 7 | 58 | 35 |
| Sunny days | 17 | 18 | 14 | 15 | 18 | 23 | 30 | 29 | 24 | 24 | 17 | 20 |
| Rainy days | 14 | 10 | 17 | 15 | 13 | 7 | 1 | 2 | 6 | 7 | 13 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ystérnia during the most sunny months:
The largest precipitation sum in Ystérnia is at