Viterbo Climate: Weather by Month and Best Time to Visit
Best months for Viterbo: July, June, August, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 10°C | 3°C | 61 mm | 8 | – | – | 6.0 |
| February | 11°C | 3°C | 69 mm | 9 | – | – | 6.1 |
| March | 14°C | 5°C | 74 mm | 9 | – | – | 6.6 |
| April | 17°C | 8°C | 76 mm | 11 | – | – | 6.8 |
| May | 22°C | 12°C | 63 mm | 9 | – | – | 7.8 |
| June | 26°C | 16°C | 45 mm | 7 | – | – | 8.1 |
| July | 30°C | 19°C | 28 mm | 5 | – | – | 8.3 |
| August | 30°C | 19°C | 33 mm | 6 | – | – | 8.0 |
| September | 25°C | 15°C | 84 mm | 9 | – | – | 7.8 |
| October | 20°C | 12°C | 114 mm | 11 | – | – | 7.2 |
| November | 14°C | 8°C | 127 mm | 12 | – | – | 6.0 |
| December | 10°C | 4°C | 86 mm | 10 | – | – | 5.8 |