Last updated: August 1, 2025
Understanding the UV Index in Antsirabe, Madagascar is essential for protecting your skin and maintaining overall health. With the region's climate characterized by moderate temperatures and varying sunlight exposure, staying informed about UV levels can significantly reduce the risk of sunburn and long-term skin damage. On a typical day, UV levels peak around midday, reaching a high of 9, making it crucial to take precautions during these hours. Emphasizing awareness of the UV Index not only helps you enjoy the outdoors safely but also promotes healthy skin practices, ensuring you can fully experience the beauty of Antsirabe without worry.
The UV Index data for today reveals a steady climb in ultraviolet exposure as the sun rises. Starting at a mild 1 at 07:00, the index escalates to 2 by 08:00, before witnessing a significant jump to 4 at 09:00. The peak occurs around 12:00, where it reaches 9—a strong signal to take protective measures against sun damage. After this midday high, the UV Index begins to drop, descending to 6 at 14:00, before dwindling further to 3 by 15:00. The evening hours bring a dramatic decline, with 1 at 16:00 and tapering off to 0 by 19:00. This data highlights the importance of sun safety during peak hours, particularly between 11:00 and 13:00.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index displays significant seasonal variability, peaking during the winter months. From January to March, the index remains extremely high, at 17 and 16, signaling a burn time of just 10 minutes, making these months particularly hazardous for sun exposure. As the year progresses into April and May, the index decreases slightly to 13 and 10 respectively, indicating a very high risk with burn times increasing to 15 minutes. The UV levels then maintain a very high rating through June and July with values dropping to 8 and 9, yet still necessitating caution. Rising again in August to 11 and continuing at 13 in September and October, the extremely high exposure category persists, with burn times remaining short at 10 minutes. November and December close the year with levels at 14 and 16, respectively. Visitors and residents should exercise caution, especially during the high-risk months of January to April and maintain sun safety practices year-round, such as using sunscreen, wearing protective clothing, and seeking shade when outdoors.
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 |
| Antananarivo UVI | 17 | 17 | 15 | 12 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |
| Antsirabe | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |