Last updated: September 1, 2025
Understanding the UV Index is essential for residents of Soanindrariny, Madagascar, as it plays a crucial role in promoting skin health and preventing sunburn. With a climate classified as Cfb, the region experiences varying UV exposure, especially during peak hours. Knowing the daily UV levels empowers locals and visitors alike to take proactive measures against the sun's harmful rays, particularly when the index reaches as high as 9 around midday. By staying informed, you can better protect yourself and your loved ones, ensuring that your time outdoors remains safe and enjoyable.
The UV Index starts off gently at 1 around 7:00 AM, gradually rising to 2 by 8:00 AM. As the day progresses, the intensity peaks at 12:00 PM with a stunning 9, signaling a high risk for overexposure. The afternoon sees a slight decline, tapering to 8 at 1:00 PM and 5 by 2:00 PM, before swiftly dropping to 3 and 1 from 3:00 PM to 5:00 PM. As evening approaches, the UV levels plunge to 0 by 6:00 PM, offering a reprieve as the sun sets. It's clear that midday is the time to take protective measures, ensuring you enjoy the sunshine safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 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, UV Index levels demonstrate significant seasonal variations, with January to April experiencing extreme exposure categories, peaking at an index of 18 in January. These high-risk months necessitate diligent sun protection, as burn time is as quick as 10 minutes. The intensity begins to wane from May to July; however, the UV Index remains very high, varying between 8 and 10, with burn times extending to 15 minutes. A resurgence in UV intensity occurs in August through November, returning to extreme levels with burn times of just 10 minutes. Given these fluctuations, it is crucial for both visitors and residents to remain vigilant about sun safety, especially in the high-risk months of January through April and again in late August through November, by applying sunscreen, wearing protective clothing, and seeking shade during peak UV hours.
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 UVI | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |
| Soanindrariny | 18 | 17 | 15 | 12 | 10 | 8 | 9 | 11 | 13 | 13 | 15 | 16 |