Average temperatures within Valetta throughout the time of May is 17. You can expect a high of 23 and typical average low being around 15 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 17 |
| High Temperature | 23 |
| Low Temperature | 15 |
Useful Links: Valetta Weather: Average Weather & Yearly Climate