Average annual temperature is 11.9 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -7.3 °C
Number of sunny days: 174 days
Number of rainy days: 189 days
Number of snow days: 2 days
Look at detailed online map of Kastaniá
* Weather data for Kastaniá 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) | 13.9 | 14.7 | 17.8 | 17.4 | 23.1 | 29.8 | 34.5 | 31.4 | 28.6 | 23.9 | 17.6 | 13.9 |
| Average daytime temperature (°C) | 8.1 | 8.5 | 11.5 | 13.0 | 18.3 | 23.6 | 30.1 | 27.8 | 24.4 | 20.8 | 12.0 | 9.8 |
| Average temperature (°C) | 3.3 | 2.8 | 6.3 | 7.6 | 12.9 | 18.0 | 23.3 | 21.4 | 18.4 | 14.7 | 8.2 | 4.8 |
| Average night temperature (°C) | -0.7 | -1.8 | 1.2 | 2.5 | 7.8 | 12.3 | 16.3 | 14.8 | 12.8 | 9.5 | 4.6 | 1.2 |
| Absolute minimum temperature (°C) | -6.3 | -7.3 | -4.0 | -1.4 | 4.2 | 9.0 | 12.6 | 11.6 | 8.5 | 6.9 | -3.8 | -3.4 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 5.9 | 9.0 | 8.1 | 9.6 | 9.1 | 12.2 | 13.5 | 12.2 | 9.9 | 9.2 | 5.8 | 5.8 |
| Precipitation (mm) | 243 | 11 | 98 | 136 | 144 | 72 | 13 | 17 | 67 | 60 | 260 | 89 |
| Sunny days | 14 | 21 | 12 | 7 | 4 | 10 | 25 | 19 | 18 | 20 | 6 | 18 |
| Rainy days | 17 | 7 | 18 | 23 | 27 | 20 | 6 | 12 | 12 | 11 | 23 | 13 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Kastaniá during the most sunny months:
The largest precipitation sum in Kastaniá is at