Average annual temperature is 16.4 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 189 days
Number of rainy days: 175 days
Number of snow days: 1 day
Look at detailed online map of Astéri
* Weather data for Astéri 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) | 15.4 | 17.9 | 21.0 | 19.0 | 23.6 | 30.4 | 42.5 | 35.2 | 32.5 | 25.9 | 24.7 | 18.5 |
| Average daytime temperature (°C) | 12.7 | 11.8 | 15.0 | 16.2 | 20.3 | 25.9 | 33.8 | 30.9 | 27.4 | 23.8 | 18.8 | 14.7 |
| Average temperature (°C) | 8.8 | 7.1 | 10.6 | 12.1 | 16.3 | 21.7 | 28.5 | 25.7 | 22.3 | 18.7 | 14.3 | 10.2 |
| Average night temperature (°C) | 5.7 | 3.3 | 6.5 | 8.0 | 12.4 | 17.4 | 23.1 | 20.8 | 17.9 | 14.8 | 10.5 | 6.8 |
| Absolute minimum temperature (°C) | 2.2 | -2.3 | 3.2 | 4.4 | 9.6 | 14.2 | 18.3 | 17.8 | 14.7 | 12.3 | 2.2 | 2.5 |
| 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) | 7.7 | 8.7 | 9.3 | 10.6 | 10.8 | 12.7 | 13.1 | 12.4 | 10.3 | 9.9 | 7.7 | 7.6 |
| Precipitation (mm) | 125 | 11 | 91 | 91 | 121 | 84 | 18 | 20 | 55 | 9 | 120 | 90 |
| Sunny days | 10 | 21 | 18 | 11 | 4 | 7 | 24 | 19 | 19 | 23 | 14 | 19 |
| Rainy days | 21 | 6 | 13 | 19 | 27 | 23 | 7 | 12 | 11 | 8 | 16 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Astéri during the most sunny months:
The largest precipitation sum in Astéri is at