Last updated: June 2, 2025
Understanding the UV Index in Andapa, Madagascar is crucial for maintaining skin health and preventing sunburn, especially given the region's tropical climate. The UV levels can fluctuate significantly throughout the day, with peaks reaching 9 between 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Awareness of these levels empowers residents and visitors alike to take preventive measures, ensuring enjoyable outdoor activities while safeguarding skin from the sun's harmful rays. With such intense UV exposure, staying informed about the UV Index is essential for everyone in Andapa to protect their well-being in the sunny hours ahead.
As the sun climbs higher in the sky, the UV Index reaches its peak during midday, showcasing a striking pattern in the hourly data. Starting at a modest 1 by 07:00, it gradually escalates, hitting 2 by 08:00. The intensity continues to rise, peaking at a formidable 9 by both 11:00 and 12:00—a clear invitation to slather on the sunscreen! As the afternoon progresses, the index begins to decline, dropping to 7 at 13:00, and gently tapering off to 3 by 15:00. By late afternoon and into the evening, the UV threat recedes, plummeting to 1 at 16:00, and finally fading into 0 from 18:00 onward. This hourly journey underscores the importance of sun safety at its zenith!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | 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 fluctuate significantly, with the highest readings recorded during the winter months of January through March, where the index reaches a striking 17, indicating an extreme exposure category and a rapid burn time of just 10 minutes. As the seasons transition into late spring and summer, while levels slightly decrease in June and July to 9 and 10 respectively (still within the very high category), they remain a concern with values of 11 to 12 from May to August and 14 in September through November. October and November also retain a notable extreme risk at 14. Consequently, visitors and residents are strongly advised to take precautions during these high-risk months—particularly from January to April and again in August and September—by wearing protective clothing, applying sunscreen regularly, and seeking shade whenever possible to mitigate the risk of harmful UV exposure.
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 |
| Andapa | 17 | 17 | 16 | 13 | 11 | 9 | 10 | 12 | 14 | 14 | 14 | 15 |