Last updated: June 2, 2025
In Ihosy, Madagascar, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding the varying levels of UV exposure throughout the day can help you prevent sunburn and maintain long-term skin health. Ihosy's climate, characterized by its warm summers and mild winters, poses unique risks with UV levels peaking between 10 AM and 1 PM, often reaching 7 on the index. This highlights the importance of being vigilant about sun protection, especially during those high-risk hours. Stay informed and safeguard your skin while enjoying the beautiful Malagasy sun!
Today’s UV Index showcases a dynamic progression throughout the day. Beginning with a gentle 1 at 07:00, the index steadily climbs, peaking at a robust 7 by 12:00—a reminder to stay protected around midday when sun exposure is strongest. The afternoon sees a slight decline, with values tapering to 4 at 14:00, before dropping to 2 by 15:00, and eventually settling at 1 by 17:00. As evening approaches, UV exposure recedes to 0 after 18:00, marking a safe time for outdoor activities without the worry of sunburn. Be sure to keep sunscreen handy during the peak hours for optimal protection!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 2 | low | 45 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 |
Throughout the year, the UV Index experienced significant fluctuations, peaking at 17 in January, February, and March, categorizing these months as extreme exposure with a burn time of just 10 minutes. April sees a slight decrease to an index of 11, maintaining the extreme rating, while May and August present very high levels of 8 and 9, respectively, allowing for slightly longer burn times of 15 minutes. The summer months of June and July offer a high risk with an index of 7 and a longer burn time of 25 minutes. As the year progresses into September and October, the index climbs back to 11 and 13, respectively, indicating extreme risk once again. Notably, the transition into November and December does not alleviate the danger, as the index reaches 14 and 15 with the same burn time of 10 minutes. Visitors and residents are advised to take precautionary measures during these high-risk months by wearing protective clothing, using sunscreen generously, and limiting sun exposure, especially during peak hours, to reduce the risk of UV damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ihosy | 17 | 17 | 15 | 11 | 8 | 7 | 7 | 9 | 11 | 13 | 14 | 15 |
| 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 |