Average annual temperature is 18.5 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of Gastoúni
* Weather data for Gastoúni 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) | 18.6 | 22.3 | 19.2 | 20.6 | 26.8 | 32.2 | 38.2 | 37.1 | 31.6 | 27.5 | 24.8 | 20.4 |
| Average daytime temperature (°C) | 14.9 | 13.8 | 16.4 | 17.6 | 22.8 | 28.0 | 33.3 | 31.6 | 28.6 | 25.2 | 20.1 | 16.2 |
| Average temperature (°C) | 11.5 | 9.5 | 12.7 | 14.1 | 18.4 | 23.5 | 28.2 | 27.1 | 23.8 | 21.3 | 17.5 | 13.2 |
| Average night temperature (°C) | 8.3 | 5.4 | 9.0 | 10.6 | 14.4 | 19.2 | 23.4 | 22.8 | 19.6 | 17.8 | 14.7 | 10.2 |
| Absolute minimum temperature (°C) | 4.3 | -0.6 | 5.9 | 7.3 | 11.7 | 16.7 | 20.7 | 20.8 | 17.4 | 16.0 | 9.3 | 5.8 |
| 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) | 7.6 | 8.8 | 9.6 | 10.7 | 10.4 | 12.7 | 13.2 | 12.5 | 10.5 | 9.9 | 7.8 | 7.0 |
| Precipitation (mm) | 272 | 8 | 91 | 93 | 99 | 43 | 0 | 6 | 57 | 18 | 120 | 72 |
| Sunny days | 7 | 18 | 12 | 10 | 7 | 15 | 30 | 24 | 22 | 19 | 12 | 16 |
| Rainy days | 24 | 10 | 19 | 20 | 24 | 15 | 1 | 7 | 8 | 12 | 18 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gastoúni during the most sunny months:
The largest precipitation sum in Gastoúni is at