Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Amparafaravola, Madagascar, where the climate offers tropical warmth but also presents significant sun exposure risks. Awareness of UV levels is vital for preventing sunburn and protecting skin health, especially during peak hours when the index can reach a high of 9 around noon. With the city’s Cfa climate, characterized by a distinct wet and dry season, knowing how to mitigate UV damage becomes essential for enjoying the outdoors safely. Stay informed and take necessary precautions to preserve your skin’s health while soaking up the beauty of Amparafaravola!
The UV Index throughout the day demonstrates a distinct peak during the midday hours, reaching its maximum of 9 at 11:00 AM and again at 12:00 PM. As the sun rises, the UV Index begins at a mere 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. However, once the clock strikes 10:00 AM, the intensity escalates sharply to 7 before hitting its zenith. Following this, there is a slight tapering off in the afternoon hours, with values nearing 6 at 2:00 PM and gradually decreasing to 3 by 3:00 PM. As daylight wanes, the UV Index plummets, dropping to 1 by 4:00 PM and finally settling at 0 by 6:00 PM, signaling an end to the sun's powerful rays for the day. This data emphasizes the importance of sun protection, especially during those peak hours between 10:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | 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 | 10 | 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 |
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 |
| Amparafaravola | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |