Last updated: August 1, 2025
In Moramanga, Madagascar, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels helps prevent sunburn and promotes long-term skin health, particularly in a climate like Moramanga's, characterized by its humid subtropical conditions. During the day, UV levels can peak at a striking 9 around midday, posing significant risks if protective measures aren't taken. With this knowledge, residents and visitors can enjoy the outdoors safely while minimizing the potential for skin damage.
The UV Index starts off gently at 1 around 7:00 AM, gradually rising to 2 by 8:00 AM. As the day progresses, the intensity peaks at 12:00 PM with a stunning 9, signaling a high risk for overexposure. The afternoon sees a slight decline, tapering to 8 at 1:00 PM and 5 by 2:00 PM, before swiftly dropping to 3 and 1 from 3:00 PM to 5:00 PM. As evening approaches, the UV levels plunge to 0 by 6:00 PM, offering a reprieve as the sun sets. It's clear that midday is the time to take protective measures, ensuring you enjoy the sunshine safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | 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, the UV Index shows significant fluctuations, with the highest levels occurring in the winter and early spring months. The months of January through April are marked by an extreme index peaking at 17, leading to a burn time of just 10 minutes. Visitors and residents should exercise utmost caution during these months, minimizing sun exposure and utilizing adequate sun protection. Following this period, May through July sees a decrease in the UV Index to 9, classified as very high, where burn time increases slightly to 15 minutes. August through November experiences a return to extreme levels, particularly in August and November with indices of 11 and 14 respectively, alongside the consistent 10-minute burn time. It is crucial for everyone to remain vigilant against UV damage throughout the year, particularly during these high-risk months, by wearing sunscreen, protective clothing, and seeking shade whenever possible.
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 |
| Moramanga | 17 | 17 | 15 | 12 | 9 | 8 | 9 | 11 | 12 | 12 | 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 |