Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Birnin Gwari, Nigeria, where the intense sun and Aw climate can lead to significant UV exposure risks. With UV levels peaking at 13 during midday, it's vital to grasp the importance of sun protection, as even brief unprotected exposure can result in sunburn and long-term skin damage. Being aware of the UV Index not only aids in preventing immediate harm but also promotes ongoing skin health. Stay informed and safeguard yourself against the sun’s rays, especially as midday approaches in this sun-kissed region!
The UV Index throughout the day showcases a dramatic rise and fall, painting a vivid picture of sun exposure. Starting at a mild 1 at 07:00 AM, the index gradually climbs, reaching 2 by 08:00. As the day progresses, it peaks at 13 during the noon hours (12:00 PM and 1:00 PM), indicating a significant need for sun protection. Just as quickly as it rises, the index begins to decline, dropping to 8 at 3:00 PM, and further down to 4 by 4:00 PM. The evening brings a welcome decrease, with values falling to 2 at 5:00 PM and 1 at 6:00 PM, before finally settling at 0 after 7:00 PM. This fluctuation highlights the importance of being mindful of UV exposure during peak hours, especially between 11:00 AM and 1:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index fluctuates significantly throughout the year, with the highest risk months occurring from March to October, where values consistently reach 12 to 13 and fall into the extreme exposure category, indicating a burn time of just 10 minutes. January and February see slightly lower indices of 10 and 11, categorized as very high and extreme respectively, but still mandate caution. As the year progresses, visitors and residents are advised to take proactive sun safety measures during these high-risk months, including wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours. In contrast, November and December present a lower risk, with indices of 10 and 9, but vigilance is still recommended to prevent skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lagos UVI | 10 | 10 | 11 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 9 | 8 |
| Port Harcourt UVI | 10 | 11 | 11 | 14 | 12 | 11 | 11 | 11 | 12 | 12 | 10 | 9 |
| Ibadan UVI | 10 | 11 | 12 | 14 | 12 | 12 | 12 | 12 | 13 | 11 | 9 | 9 |
| Kano UVI | 10 | 12 | 13 | 11 | 11 | 11 | 12 | 13 | 12 | 11 | 10 | 10 |
| Birnin Gwari | 10 | 11 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Kaduna UVI | 10 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |