Average annual temperature is 17.8 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 240 days
Number of rainy days: 125 days
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) | 17.8 | 20.1 | 22.0 | 21.1 | 25.3 | 30.8 | 40.2 | 35.2 | 33.9 | 27.5 | 26.0 | 21.1 |
| Average daytime temperature (°C) | 14.7 | 13.8 | 16.8 | 18.1 | 21.5 | 27.0 | 34.0 | 32.3 | 28.3 | 25.3 | 20.9 | 16.7 |
| Average temperature (°C) | 10.6 | 8.7 | 12.2 | 13.9 | 17.6 | 22.7 | 28.4 | 26.8 | 23.2 | 20.2 | 16.3 | 12.1 |
| Average night temperature (°C) | 7.3 | 4.4 | 7.5 | 9.5 | 13.7 | 18.0 | 23.1 | 21.8 | 18.8 | 16.0 | 12.4 | 8.4 |
| Absolute minimum temperature (°C) | 3.3 | 1.3 | 3.5 | 6.7 | 10.3 | 15.1 | 19.2 | 19.1 | 16.4 | 14.1 | 5.1 | 4.0 |
| 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) | 7.9 | 8.8 | 9.4 | 10.7 | 11.1 | 12.8 | 13.1 | 12.5 | 10.4 | 9.9 | 8.0 | 7.7 |
| Precipitation (mm) | 96 | 5 | 67 | 38 | 53 | 20 | 0 | 3 | 65 | 7 | 58 | 100 |
| Sunny days | 15 | 20 | 21 | 17 | 13 | 18 | 29 | 22 | 23 | 26 | 15 | 21 |
| Rainy days | 16 | 8 | 10 | 13 | 18 | 12 | 2 | 9 | 7 | 5 | 15 | 10 |
| Snow days | 0 | 0 | 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