Last updated: May 3, 2025
In Lagos Island, Nigeria, being aware of the UV Index is crucial for safeguarding your skin against harmful rays. Understanding UV levels not only helps in preventing sunburns, but also plays a vital role in long-term skin health. With a tropical climate and peak UV Index readings soaring as high as 11 during midday hours, residents and visitors alike must stay informed about their sun exposure. By paying attention to the UV Index, you can effectively plan your outdoor activities and protect yourself from the risks associated with prolonged sunlight exposure.
As the sun rises, the UV Index begins at a modest 1 at 07:00, gradually climbing to reach 2 by 08:00. The real intensity kicks in at 09:00, where it hits 4, but the peak is yet to come. By 11:00, the index skyrockets to 9, leading to an afternoon high of 11 at both 12:00 and 13:00—a clear indication to seek shade and protect your skin! As the day wanes, the UV Index starts to decline, dropping back to 7 by 15:00, and continuing its descent through 4 at 16:00 and 2 at 17:00. Finally, the UV levels fall to 1 at 18:00 and settle at a safe 0 by 19:00. Remember, as the sun shines bright, prioritize your protection! 🌞
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 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 |
Seasonal UV changes indicate that from January to April, the UV Index remains consistently high, peaking at 13 in April, which falls under the extreme exposure category, meaning burn time is only 10 minutes during this period. May to October continues the trend with a sustained extreme category, with the UV Index fluctuating between 11 and 12, maintaining a 10-minute burn time. High-risk months are particularly evident from March to September, where residents and visitors should exercise extra caution. Conversely, November and December see a drop in UV levels, yet still pose risks with very high exposure (UV Index 9 and 8, respectively), and a longer burn time of 15 minutes. It’s crucial for individuals to wear protective clothing, apply sunscreen regularly, and seek shade, especially during peak sunlight hours, to minimize sun damage and health risks throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lagos Island | 10 | 10 | 11 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 9 | 8 |
| 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 |
| Kaduna UVI | 10 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |