Last updated: August 1, 2025
Understanding the UV Index in Tsiroanomandidy is crucial for safeguarding your skin and overall health under the sun. With peak UV levels reaching 9 around midday, awareness of these indices can help prevent sunburn and reduce the risk of long-term skin damage. Tsiroanomandidy's Cwa climate presents unique challenges, combining sunny days with high UV exposure, especially during peak hours. By monitoring the UV Index, you can enjoy the beauty of this vibrant region while keeping your skin health in check. Stay informed, stay safe!
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 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 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 |
Throughout the year, the UV Index experiences significant changes, with extreme levels persisting from January to April and again in August to November. The high-risk months are notably January, February, and March, where the UV Index remains at a staggering 17, requiring only 10 minutes for noticeable skin damage. Even during late spring and summer, the UV levels remain high, particularly in May and June with a very high index of 10 and 8, necessitating cautious outdoor exposure with burn times extending to 15 minutes. As the year progresses into October and November, the UV index increases again to 14, suggesting that residents and visitors should remain vigilant against sun exposure, particularly in open areas. It's advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak hours, especially from January through April and August through November to mitigate potential skin damage.
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 |
| Tsiroanomandidy | 17 | 17 | 15 | 12 | 10 | 8 | 9 | 11 | 12 | 13 | 14 | 16 |
| 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 |