Last updated: May 3, 2025
Understanding the UV Index in Andramasina, Madagascar, is crucial for maintaining skin health and preventing sunburn. With a climate characterized by mild temperatures and varying UV exposure, high levels can be particularly concerning during peak hours. For instance, the UV Index reaches maximum levels of 10 between 11:00 AM and 12:00 PM, signaling a high risk for harm from unprotected sun exposure. By staying informed about local UV levels, residents and visitors can effectively protect themselves, ensuring enjoyable outdoor experiences while minimizing skin damage. Awareness of these levels not only promotes safer sun habits but also fosters a healthier community.
The UV Index displayed an intriguing daylight journey, peaking at 10 around 11:00 AM and 12:00 PM, signaling a high risk for sun exposure. Starting from a mild 1 at 7:00 AM, the intensity gradually escalated, reaching a moderate 5 by 9:00 AM. As the sun ascended, it propelled the index to a robust 8 by 10:00 AM. The decline began post-noon, with the index slipping to 6 at 2:00 PM, and eventually tapering off to a mere 1 by 4:00 PM. The day wrapped up with 0 UV readings after 6:00 PM, emphasizing the importance of sun protection during peak hours when UV radiation poses the greatest risk.
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 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 |
The UV Index displays significant seasonal variability, peaking during the winter months. From January to March, the index remains extremely high, at 17 and 16, signaling a burn time of just 10 minutes, making these months particularly hazardous for sun exposure. As the year progresses into April and May, the index decreases slightly to 13 and 10 respectively, indicating a very high risk with burn times increasing to 15 minutes. The UV levels then maintain a very high rating through June and July with values dropping to 8 and 9, yet still necessitating caution. Rising again in August to 11 and continuing at 13 in September and October, the extremely high exposure category persists, with burn times remaining short at 10 minutes. November and December close the year with levels at 14 and 16, respectively. Visitors and residents should exercise caution, especially during the high-risk months of January to April and maintain sun safety practices year-round, such as using sunscreen, wearing protective clothing, and seeking shade when outdoors.
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 |
| Andramasina | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |