Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Ayorou, Niger, where the hot semi-arid climate (BWh) significantly influences daily sun exposure. Being aware of UV levels is essential for preventing sunburn and maintaining overall skin health, especially given the high readings seen during midday. With peak indices reaching 12 around noon, it’s vital for locals to take precautions to safeguard their skin. Stay informed and stay protected as you navigate Ayorou's sunny days!
The UV Index throughout the day tells an engaging story of the sun's intensity. Early morning hours greet us gently, peaking at a mild 1 at 7:00 AM and 8:00 AM. As the day progresses, the UV Index begins to rise, reaching a moderate 3 by 9:00 AM before soaring to a 6 at 10:00 AM. The real intensity kicks in around 11:00 AM, where it skyrockets to 9 and hits a staggering peak of 11 at 12:00 PM. The sun continues to blaze during the afternoon, with the index reaching a maximum of 12 at 1:00 PM. Following this zenith, the UV levels start to decline, tapering off to 10 by 2:00 PM, then gently falling to 8 at 3:00 PM. As evening approaches, the UV Index continues to decrease, settling back to 5 by 4:00 PM and winding down to a soft 2 by 5:00 PM, before fading to 1 as dusk settles in at 6:00 PM and beyond. It’s a vivid reminder to stay sun-safe, especially during those peak 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 | 10 | very high | 15 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 |
The seasonal UV changes show a marked increase in UV Index levels from January to August, with the highest readings occurring in August at UV Index 14 and an extreme exposure category, necessitating a burn time of only 10 minutes. The high-risk months for UV exposure are primarily from February to September, identified as extreme categories with burn times consistently at 10 minutes. As UV levels drop slightly in the fall, both October and November still present very high levels with a higher burn time of 15 minutes. To protect against harmful UV exposure, visitors and residents should take precautions, such as wearing broad-spectrum sunscreen, hats, and protective clothing, especially during peak sun hours from February through September.
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 |
| Ayorou | 10 | 11 | 12 | 13 | 12 | 12 | 13 | 14 | 12 | 10 | 10 | 9 |
| 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 |
| Zinder UVI | 10 | 11 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 11 | 10 | 10 |