Last updated: August 1, 2025
Understanding the UV Index in Sahatavy, Madagascar is crucial for protecting your skin in this vibrant tropical climate. With UV levels peaking around noontime, reaching a high of 9 at 12:00 PM, awareness of these readings can help you prevent sunburn and maintain long-term skin health. Sahatavy's temperate climate, characterized by its warm summers and mild winters, can lead to significant sun exposure risks throughout the year. By staying informed about the local UV Index, you can enjoy the beauty of Madagascar while safeguarding your health under the sun.
At 07:00, the UV Index begins its ascent at a mild level of 1. By 08:00, it rises to 2, providing a gentle reminder of the sun's presence. A noticeable leap occurs at 09:00, reaching 4 as outdoor activities start to pick up. The intensity peaks sharply at 11:00, where it hits 8, marking the midday sun's strength. The highest point is at 12:00, with a staggering 9, urging caution for sun-sensitive individuals. As the afternoon progresses, the index gradually declines to 5 by 14:00 and further to 3 at 15:00. By 16:00, it falls to 1, and by 18:00, the UV Index drops to 0, signaling a safe return outdoors as the sun sets, followed by a complete absence of UV radiation by 19:00. Enjoy the sunshine, but remember—protection is key during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 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 |
Throughout the year, UV Index levels exhibit significant fluctuations, with the highest readings occurring from January to April, marked by an extreme category (UV Index 17-16) where the burn time is as little as 10 minutes. The high-risk months for UV exposure include January through April and August through November, where values remain in the extreme category. May to July sees slightly lower, yet still very high, UV levels (UV Index 10-8) with burn times extending to 15 minutes. Visitors and residents are advised to take necessary precautions during these high-risk periods, including wearing protective clothing, applying broad-spectrum sunscreen regularly, and seeking shade during peak sun hours to minimize the risk of 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 |
| Sahatavy | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 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 |