Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Mdina, Malta, as it provides crucial guidance on preventing sunburn and protecting skin health. With its Mediterranean Csa climate, Mdina experiences heightened UV exposure, particularly during the peak hours of 12 PM to 3 PM when UV levels can soar to 9, indicating a very high risk of harm from unprotected sun exposure. By being aware of the UV Index, you can take informed steps to enjoy the beautiful Maltese sun safely, ensuring that outdoor activities remain pleasant without the harmful effects of excessive UV radiation.
The UV Index for the day showcases a notable rise in intensity as the sun climbs higher in the sky. Starting at a low of 1 at 7:00 AM, the index gradually increases to a moderate level of 3 by 9:00 AM. However, from 10:00 AM onward, things heat up significantly, peaking at a scorching 9 from noon to 2:00 PM. As the afternoon progresses, the UV Index gradually dips back to a friendly 3 by 5:00 PM, then descends further to 1 by the time evening sets in. This pattern underscores the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM, when UV levels are at their highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with the highest risk occurring during the summer months of June and July. Visitors and residents should take note that from March to August, UV exposure escalates, peaking at an extreme level of 11 in July, where the burn time is only 10 minutes. The high-risk months include April and May, both with a UV Index of 9, and the very high categories remain consistent through to September. In contrast, the winter months of January, February, November, and December see a decrease in UV intensity, with indices dropping to the moderate category. To protect against harmful UV exposure, it is advisable to seek shade, wear protective clothing, and apply sunscreen during high-index periods, particularly from March to September.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Imdina | 3 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 4 | 3 |
| San Pawl il-Bahar UVI | 3 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 4 | 3 |
| Zabbar UVI | 3 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 4 | 3 |
| Mosta UVI | 3 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 4 | 3 |
| Qormi UVI | 3 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 4 | 3 |
| Birkirkara UVI | 3 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 4 | 3 |