Last updated: July 2, 2025
In Tillaberi, Niger, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels empowers residents and visitors alike to make informed decisions about sun exposure, helping to prevent sunburn and long-term skin damage. With Tillaberi's hot semi-arid climate characterized by intense sunlight, the UV Index can reach dangerous levels, particularly during midday hours—peaking at 13 between 1 PM and 2 PM. Staying informed about daily UV exposure risks ensures that you can enjoy the sun safely while protecting your skin.
The UV Index on this particular day experiences a dramatic rise as the sun climbs higher in the sky. Starting at a mild 1 during the early morning hours, it steadily increases throughout the day, peaking at a striking 13 between 1 PM and 2 PM. This intense spike indicates a strong risk of harm from unprotected sun exposure, making sunscreen and protective clothing essential. As the afternoon progresses, the index begins to taper off, dropping to a more manageable 3 by late afternoon and returning to 1 as the sun sets. Be mindful of these fluctuations and enjoy the sun safely!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 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 |