Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Ouallam, Niger, where the sun's intense rays can lead to serious health risks. With peak UV levels reaching an alarming 12 around midday, being mindful of sun exposure is crucial for preventing sunburn and protecting skin health. The semi-arid climate of Ouallam, characterized by its BSh zone, means that UV exposure remains a significant concern, particularly during the hotter months. By staying informed about daily UV levels, you can take necessary precautions to enjoy the sun safely and promote long-term skin well-being.
The UV Index data for the day reveals a clear pattern of increasing intensity as the sun climbs higher in the sky. Starting at a low of 1 during the early morning hours (07:00 and 08:00), the index begins a steep ascent, reaching 3 by 09:00. The sun’s power peaks impressively at 12 from 12:00 to 13:00, indicating a critical time for sun safety. As the afternoon wanes, the index gradually declines, falling to 8 by 15:00 and dropping further to 1 by the evening (18:00 to 19:00). To protect your skin during the day, be mindful of the high UV levels between 11:00 and 14:00!
| 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 | 12 | 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 | 2 | low | 45 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 |
| Niamey UVI | 10 | 12 | 13 | 12 | 11 | 12 | 13 | 13 | 12 | 11 | 10 | 9 |
| Ouallam | 10 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 12 | 10 | 10 | 9 |
| Zinder UVI | 10 | 11 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 11 | 10 | 10 |