Last updated: June 2, 2025
Understanding the UV Index in Hell-Ville, Madagascar is crucial for maintaining skin health and preventing sunburns. As this coastal town basks under its tropical climate, the UV levels can climb unexpectedly high, peaking at 9 around midday. This underscores the importance of being aware of daily UV exposure, especially during the hours of 10 AM to 2 PM when the sun's rays are most intense. By monitoring the UV Index, residents and visitors can take proactive measures to protect their skin from harmful effects, ensuring a safer and more enjoyable time under the Malagasy sun.
The UV Index for today showcases a striking peak between 11:00 AM and 12:00 PM, where it reaches a high of 9, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index begins to taper off, transitioning to a 5 at 2:00 PM and then dropping further to 3 by 3:00 PM. The late afternoon brings a noticeable decline, finishing off with 1 at 4:00 PM and fading to 0 after 6:00 PM. If you're planning outdoor activities, the optimal time to soak up the sun safely is definitely before noon! Don’t forget your sunscreen during those peak hours!
| 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 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 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 |