The average daily temperature in Gaeta in May is 15. Through the month the highs are about 22 and low being around 12. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 22 |
| Low Temperature | 12 |
| Sunshine Per Day | 9 |
Useful Links: Gaeta Weather: Average Weather & Yearly Climate