Normally the average daily weather in Viterbo during the duration of May is 15. Average high is typically 23 and low average expected to be 11 celsius.
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 23 |
| Low Temperature | 11 |
| Sunshine Per Day | 11 |
Useful Links: Viterbo Weather: Average Weather & Yearly Climate