Average annual temperature is 14.2 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 170 days
Number of rainy days: 190 days
Number of snow days: 5 days
Look at detailed online map of Grottone
* Weather data for Grottone 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) | 15.9 | 17.1 | 17.6 | 19.8 | 22.6 | 33.6 | 38.8 | 35.3 | 31.6 | 27.6 | 18.8 | 17.8 |
| Average daytime temperature (°C) | 9.0 | 9.7 | 13.0 | 13.3 | 18.2 | 24.1 | 32.5 | 29.4 | 26.2 | 23.0 | 14.9 | 11.6 |
| Average temperature (°C) | 5.7 | 5.2 | 8.6 | 9.3 | 14.4 | 19.4 | 26.2 | 23.3 | 20.7 | 17.9 | 11.3 | 7.9 |
| Average night temperature (°C) | 2.7 | 1.6 | 4.7 | 5.9 | 11.0 | 14.9 | 19.6 | 17.8 | 16.0 | 13.4 | 8.1 | 5.0 |
| Absolute minimum temperature (°C) | -3.2 | -3.7 | 0.3 | 0.6 | 8.0 | 10.8 | 15.1 | 13.4 | 12.0 | 8.5 | -1.0 | 1.1 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 5.1 | 7.3 | 8.6 | 8.0 | 8.3 | 11.6 | 13.6 | 12.3 | 10.2 | 8.6 | 6.1 | 6.7 |
| Precipitation (mm) | 177 | 25 | 91 | 120 | 201 | 101 | 4 | 4 | 55 | 58 | 92 | 34 |
| Sunny days | 11 | 15 | 17 | 7 | 4 | 8 | 22 | 22 | 15 | 21 | 10 | 18 |
| Rainy days | 20 | 8 | 14 | 23 | 27 | 22 | 9 | 9 | 15 | 10 | 20 | 13 |
| Snow days | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grottone during the most sunny months:
The largest precipitation sum in Grottone is at