Last updated: June 2, 2025
In Soanindrariny, Madagascar, understanding the UV Index is crucial for protecting yourself against harmful ultraviolet radiation. With the region's Cfb climate, locals and visitors alike face varying UV exposure risks throughout the day, especially during midday hours when levels peak at an intense 8. Being aware of UV levels can significantly aid in preventing sunburn and maintaining overall skin health. As the sun rises, the UV Index begins at a manageable 1 at 7 AM, but by noon, it escalates to a high 8, reminding us that taking proper precautions is vital to safeguard our skin while enjoying the beautiful Malagasy outdoors.
As the sun rises, the UV Index begins its gradual ascent, peaking sharply at 12:00 PM with a striking 8—a reminder of the midday sun's intensity. Starting the day at a gentle 1 at 07:00, it climbs steadily to reach 6 by 10:00 AM, encouraging outdoor enthusiasts to stay protected. The climax arrives at 11:00 AM with a 7, followed closely by the height of 8 at noon. As the afternoon progresses, the UV level gracefully declines, dipping to 5 by 2:00 PM, then significantly dropping to 3, 1, and finally 0 after 6:00 PM. This data underscores the importance of sun safety during peak hours, particularly between 11:00 AM and 1:00 PM, when the UV risk is at its highest—so ensure you’re well-shielded during these critical times!
| 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 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 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 |
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 |