Last updated: June 2, 2025
In Belo sur Tsiribihina, Madagascar, staying informed about the UV Index is crucial for safeguarding your skin and overall health. The intensity of UV radiation can significantly affect your risk of sunburn and long-term skin damage, making it essential to understand the daily fluctuations in UV levels. With a predominantly tropical climate, this region often experiences varying UV exposure, peaking at an index of 7 around midday. By being aware of these levels, you can better plan your outdoor activities and ensure you take necessary precautions, such as wearing sunscreen or protective clothing, to enjoy the beautiful Malagasy landscape safely.
The UV Index for the day provides a clear picture of sun exposure. Starting off gently at 1 in the early hours, the intensity gradually builds, reaching a peak of 7 between 11:00 and 12:00. This is the ideal time for sun protection, as skin can burn quickly. As the afternoon progresses, the index declines, dropping to 3 by 15:00 and further down to 1 by late afternoon. After sunset, the UV Index falls to 0, indicating safe conditions. Stay sun smart, especially during the peak hours for maximum protection!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 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 |
The UV Index exhibits significant seasonal variation, with the highest readings occurring from January to April, where values hover between 16 and 12, categorizing them as extreme. The months of February and March consistently present the most hazardous conditions, necessitating vigilant sun protection due to a burn time of just 10 minutes. As summer approaches, the UV Index begins to decrease, with June and July classified as high and very high, respectively, though they still demand caution, particularly during the mid-day sun. By late summer into fall, values rise again, with September and October returning to extreme levels. Residents and visitors should prioritize sun safety measures, especially from January to April and during peak UV hours in July and August, ensuring adequate protection with sunscreen, clothing, and seeking shade to minimize the risk of harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belo sur Tsiribihina | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 12 | 13 | 14 |
| 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 |
| 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 |