More often than not the weather in Cortona throughout the time of May is 15. You can expect a high of 23 and average daily low being 10 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 23 |
| Low Temperature | 10 |
| Sunshine Per Day | 8 |
Useful Links: Cortona Weather: Average Weather & Yearly Climate