Last updated: September 1, 2025
Understanding the UV Index in Mananjary, Madagascar, is crucial for safeguarding your skin's health amidst the tropical climate. With peak UV levels soaring to 7 around midday, awareness of UV exposure can help defend against sunburn and long-term skin damage. As Mananjary enjoys abundant sunshine, being informed about daily UV levels allows residents and visitors alike to take necessary precautions—such as wearing sunscreen and protective clothing—during the hours of highest risk. Prioritizing UV Index awareness is not just about enjoying outdoor activities; it's essential for fostering a healthier lifestyle in this beautiful coastal town.
The UV Index today began its ascent at 7:00 AM with a modest 1, slowly climbing to 2 by 8:00 AM. As the sun rose higher, the index reached 3 at 9:00 AM, then jumped to 5 by 10:00 AM. The peak was recorded at 11:00 AM and 12:00 PM, both hitting a notable 7. By 1:00 PM, the UV Index slightly dipped to 6, followed by a gradual decline to 5 by 2:00 PM. This downward trend continued as it fell to 3 at 3:00 PM and further decreased to 1 by 4:00 PM. The day wrapped up with very low readings of 1 at 5:00 PM, and dropping to 0 by 6:00 PM, indicating a safe evening with minimal UV exposure. Make the most of the sun wisely! ☀️
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | 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 | 9 | very high | 15 min |
| 14:00 | 6 | 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, seasonal UV changes can be quite significant, with the highest UV Index values occurring during the winter months. From January to April, the UV Index remains in the extreme category, peaking at 16 in January, with a rapid burn time of just 10 minutes. As we transition to May and August, the UV Index drops to 8 and 9, respectively, categorized as very high, allowing for a slightly longer burn time of 15 minutes. However, September to November sees a return to the extreme category with an Index peaking at 13 in November, where burn times revert to 10 minutes. To ensure safety, particularly during the high-risk months of January to April and September to November, it is crucial for visitors and residents to adopt protective measures; applying sunscreen, wearing UV-blocking clothing, and seeking shade are advisable to mitigate the risks associated with high UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mananjary | 16 | 15 | 14 | 11 | 8 | 7 | 7 | 9 | 11 | 12 | 13 | 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 |