Last updated: July 2, 2025
In Hell-Ville, Madagascar, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps individuals assess the risk of sunburn and long-term skin damage, making it crucial for both residents and visitors alike. With a climate characterized by high UV exposure, particularly during midday when the index can soar to 10, awareness and prevention strategies become paramount to enjoy the beautiful tropical surroundings without the harmful effects of the sun. So, whether you're lounging on the beach or exploring the vibrant local culture, keep an eye on the UV Index to safeguard your skin from those intense rays!
The UV Index throughout the day shows a dynamic pattern of sun exposure. Starting at a low of 1 at 07:00, it gently rises to 2 by 08:00. As the morning progresses, the intensity increases more noticeably, peaking at a striking 10 at 12:00, marking the highest level of sun strength. From there, the index begins its descent, falling to 8 at 13:00 and tapering off to 6 by 14:00. The afternoon witnesses a further decline, with values dropping to 3 at 15:00 and easing to 1 by 17:00. As the sun sets, the index finally drops to 0 at 18:00 and remains insignificant through the evening hours. This data highlights the importance of protecting your skin during peak hours, especially from 10:00 to 14:00, when the UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index readings indicate significant seasonal variations, with particularly high risk for skin damage from January to April, where the UV Index remains at a severe 16. As we transition into late spring and summer, the UV Index decreases slightly to 10 and 9, but remains in the very high category from May through July, emphasizing a burn time of just 15 minutes. The late summer months bring a rise back to extreme levels in August and early fall, with UV Index readings of 13 in September and throughout November, maintaining a burn time of 10 minutes. Finally, December sees a slight uptick to a UV Index of 15. Visitors and residents are strongly advised to utilize sunscreen, wear protective clothing, and limit direct sun exposure during these high-risk months, particularly from January through April and again in August and September, to safeguard against potentially harmful UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Toamasina UVI | 16 | 16 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 12 | 13 | 15 |
| Fianarantsoa UVI | 17 | 17 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
| Mahajanga UVI | 16 | 16 | 15 | 13 | 10 | 8 | 9 | 11 | 12 | 12 | 13 | 15 |
| Hell-Ville | 16 | 16 | 16 | 13 | 10 | 9 | 10 | 11 | 13 | 13 | 13 | 15 |
| Antananarivo UVI | 17 | 17 | 15 | 12 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |
| Antsirabe UVI | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |