Average annual temperature is 12.2 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 147 days
Number of rainy days: 208 days
Number of snow days: 10 days
Look at detailed online map of Valle Castellana
* Weather data for Valle Castellana Italy is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.6 | 14.3 | 19.1 | 19.3 | 20.5 | 30.3 | 36.6 | 32.0 | 28.2 | 28.0 | 20.3 | 17.9 |
| Average daytime temperature (°C) | 7.3 | 8.3 | 12.3 | 11.9 | 16.2 | 22.0 | 28.5 | 26.4 | 22.9 | 21.5 | 13.5 | 11.1 |
| Average temperature (°C) | 3.7 | 3.2 | 7.6 | 7.5 | 12.6 | 17.6 | 22.7 | 21.1 | 17.9 | 16.3 | 9.1 | 6.4 |
| Average night temperature (°C) | 0.5 | -1.0 | 2.9 | 3.3 | 8.8 | 12.9 | 16.9 | 16.1 | 13.6 | 12.0 | 4.9 | 2.9 |
| Absolute minimum temperature (°C) | -7.2 | -7.6 | -3.8 | -1.3 | 5.3 | 9.2 | 12.7 | 11.8 | 10.1 | 8.2 | -3.7 | -1.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 7.0 | 8.3 | 8.2 | 8.6 | 12.4 | 13.6 | 12.4 | 10.2 | 8.8 | 5.7 | 6.8 |
| Precipitation (mm) | 159 | 61 | 80 | 142 | 268 | 204 | 58 | 48 | 83 | 52 | 163 | 54 |
| Sunny days | 11 | 13 | 14 | 7 | 1 | 9 | 12 | 17 | 13 | 16 | 13 | 21 |
| Rainy days | 15 | 11 | 17 | 22 | 30 | 21 | 19 | 14 | 17 | 15 | 17 | 10 |
| Snow days | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Valle Castellana during the most sunny months:
Months with the longest average daylight duration in Valle Castellana:
The largest precipitation sum in Valle Castellana is at