Grottaferrata Climate: Weather by Month and Best Time to Visit
Best months for Grottaferrata: July, June, August.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 11°C | 3°C | 79 mm | 10 | – | – | 6.1 |
| February | 12°C | 3°C | 83 mm | 10 | – | – | 6.2 |
| March | 15°C | 6°C | 88 mm | 11 | – | – | 6.5 |
| April | 18°C | 8°C | 94 mm | 13 | – | – | 6.6 |
| May | 22°C | 12°C | 74 mm | 10 | – | – | 7.7 |
| June | 26°C | 16°C | 46 mm | 8 | – | – | 8.1 |
| July | 29°C | 19°C | 29 mm | 5 | – | – | 8.3 |
| August | 30°C | 19°C | 30 mm | 6 | – | – | 8.1 |
| September | 25°C | 16°C | 93 mm | 10 | – | – | 7.7 |
| October | 21°C | 12°C | 125 mm | 11 | – | – | 7.2 |
| November | 16°C | 8°C | 147 mm | 13 | – | – | 6.1 |
| December | 12°C | 4°C | 113 mm | 11 | – | – | 5.9 |