Last updated: June 2, 2025
In Tillaberi, Niger, understanding the UV Index is crucial for protecting your skin and overall health. With the region's BSh climate, which often features intense sunshine, awareness of UV levels can help prevent sunburn and long-term skin damage. The daily UV Index varies significantly throughout the day, peaking at an extreme 12 around noon, indicating a high risk for harm during peak hours. By staying informed about these levels, you can take proactive measures to enjoy the sunny days while safeguarding your skin.
As the sun rises, the UV Index begins its steady climb, starting at a gentle 1 at 07:00 and 08:00, perfect for morning strolls. By 09:00, it ramps up to 3, signaling the need for sun protection. The intensity peaks dramatically, soaring to 11 at noon and reaching its maximum of 12 by 13:00. This period represents the day’s most hazardous UV exposure, urging vigilance. As the afternoon wanes, values taper off, with 8 at 15:00 and dropping to 5 by 16:00, before settling back at 1 by 18:00 and 19:00. It’s a day marked by the sun's power—stay protected during those mid-day hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the levels of ultraviolet (UV) radiation, with January to December showcasing a clear pattern of seasonal UV fluctuations. The high-risk months, characterized by an extreme UV Index of 11 or higher, span from February to September, peaking in August with a UV Index of 14. During these months, the recommended burn time is drastically low, often just 10 minutes, indicating a significant risk for sunburn. Visitors and residents are strongly advised to take precautions such as wearing protective clothing, utilizing broad-spectrum sunscreen, and seeking shade during peak sunlight hours, particularly between midday and early afternoon. In contrast, the UV Index decreases in the fall and winter months, yet caution is still warranted in October, November, and December, where the UV Index remains at 10 or 9 with burn times of 15 minutes. Staying informed and proactive about UV exposure can significantly reduce the risk of skin damage and promote overall health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alaghsas UVI | 9 | 10 | 11 | 13 | 12 | 12 | 11 | 12 | 11 | 10 | 9 | 8 |
| Agadez UVI | 9 | 10 | 11 | 13 | 12 | 12 | 11 | 12 | 11 | 10 | 9 | 8 |
| Maradi UVI | 10 | 11 | 13 | 12 | 11 | 11 | 13 | 13 | 12 | 11 | 10 | 10 |
| Tillaberi | 10 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 12 | 10 | 10 | 9 |
| Niamey UVI | 10 | 12 | 13 | 12 | 11 | 12 | 13 | 13 | 12 | 11 | 10 | 9 |
| Zinder UVI | 10 | 11 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 11 | 10 | 10 |