Average annual temperature is 11.9 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -10.2 °C
Number of sunny days: 174 days
Number of rainy days: 183 days
Number of snow days: 8 days
Look at detailed online map of Fonni
* Weather data for Fonni 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) | 14.8 | 14.7 | 17.7 | 21.4 | 20.3 | 29.7 | 35.1 | 31.0 | 29.9 | 24.8 | 17.4 | 14.9 |
| Average daytime temperature (°C) | 5.6 | 8.0 | 11.1 | 12.3 | 15.3 | 21.8 | 29.6 | 25.9 | 23.5 | 20.0 | 11.1 | 8.9 |
| Average temperature (°C) | 2.7 | 3.7 | 6.8 | 8.2 | 11.4 | 17.4 | 24.1 | 20.7 | 18.1 | 15.5 | 8.2 | 5.7 |
| Average night temperature (°C) | -0.3 | -0.4 | 2.9 | 4.6 | 8.0 | 13.1 | 18.7 | 15.8 | 13.6 | 11.7 | 5.6 | 3.0 |
| Absolute minimum temperature (°C) | -9.4 | -10.2 | -4.8 | -0.5 | 4.0 | 8.7 | 11.9 | 10.7 | 8.8 | 7.9 | -2.4 | -1.0 |
| 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 | 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) | 6.8 | 8.6 | 9.8 | 11.0 | 9.8 | 12.1 | 13.1 | 12.4 | 10.9 | 9.0 | 6.8 | 7.1 |
| Precipitation (mm) | 181 | 61 | 39 | 75 | 177 | 64 | 4 | 19 | 25 | 46 | 121 | 34 |
| Sunny days | 12 | 17 | 15 | 8 | 5 | 11 | 24 | 23 | 16 | 19 | 9 | 15 |
| Rainy days | 13 | 9 | 16 | 22 | 26 | 19 | 7 | 8 | 14 | 12 | 21 | 16 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Fonni during the most sunny months:
The largest precipitation sum in Fonni is at