Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Marsa, Malta, where the Mediterranean climate ushers in plenty of sunny days. With peak UV levels reaching a high of 10 during midday, awareness of these levels can significantly reduce the risk of sunburn and long-term skin damage. As exposure to harmful UV rays is a common concern in this vibrant locale, grasping the nuances of the UV Index can help you take proactive measures to protect your skin, ensuring your time under the Maltese sun remains both enjoyable and safe. Don't underestimate the impact of local weather patterns—being informed empowers you to embrace the beauty of Marsa while safeguarding your health.
At dawn, the UV Index starts at a mild 1 by 07:00, gradually climbing to 2 by 08:00 as the sun rises. The warmth intensifies, reaching 4 at 09:00 and peaking at a significant 10 between noon and 14:00, signaling the need for sun protection. As the afternoon rolls in, the index begins to dip, settling at 8 by 15:00 before tapering off further to 5 at 16:00. By the evening, the UV levels gracefully descend back to 2 at 18:00 and return to a safe 1 by 19:00, marking a day's journey through varying sun exposure. Be mindful of the midday sun, and stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marsa | 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 |