Last updated: May 3, 2025
In Ambalavao, Madagascar, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps you take proactive steps to prevent sunburn and long-term skin damage, especially during the peak hours when the UV Index soars. With a Cfb climate that brings warm temperatures and clear skies, Ambalavao can expose residents and visitors to elevated UV risks, particularly between 10:00 AM and 2:00 PM, when values reach as high as 9. Stay informed and protect yourself from harmful rays to enjoy all that this charming region has to offer!
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 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 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 experiences significant seasonal variation, with extreme levels persisting from January to April and a noticeable decline as summer approaches. The months of May, July, and August see a jumping from very high to high exposure categories, indicating a mild shift in UV intensity. September through November return to the extreme levels, before tapering off slightly in December. The high-risk months for UV exposure are January through April, and again from September to November, where the burn time is notably short at 10 minutes. Residents and visitors are strongly advised to take protective measures during these periods, such as wearing sunscreen, hats, and long sleeves to minimize skin damage from the sun's intense rays.
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 |
| Ambalavao | 17 | 17 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
| 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 |