Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Nnenasa, Nigeria, where the sun's rays can be particularly intense. With the local Aw climate bringing about strong sunlight, awareness of UV levels can significantly impact your skin health and help prevent sunburn. During peak hours, the UV Index reaches dangerously high levels, particularly between 10 AM and 2 PM, where it can soar above 10. This means that daily precautions—such as sunscreen application and protective clothing—are essential to safeguard against the harmful effects of ultraviolet radiation. Stay informed, stay protected, and embrace the sun wisely!
Experience the sun's intensity with today's UV Index fluctuating throughout the day. Starting at a gentle 1 at 07:00, the index gradually rises, hitting 2 by 08:00. The real surge begins at 09:00, where it spikes to 4, moving to a striking 7 by 10:00. As the clock strikes 11:00, the UV Index peaks at an intense 9 before reaching its maximum at 12:00 and 13:00, where it levels out at an astonishing 11. After the midday zenith, the numbers start to decline: 9 at 14:00, 6 at 15:00, and further down to 4 at 16:00. As the day winds down, the index dwindles, dropping to 2 by 17:00, a gentle 1 at 18:00, and finally resting at 0 by 19:00. Remember to protect yourself during those peak hours when the sun's rays are most potent!
| 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 | 9 | very high | 15 min |
| 15:00 | 6 | 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 |
The UV Index shows significant seasonal variation with the highest levels occurring from March to October, indicating a period of extreme exposure. The months of February through September consistently feature a UV Index of 11-14, categorizing them as high-risk for sunburn with minimal burn times of 10 minutes. Visitors and residents should take precautions during these months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently. Even January, November, and December show very high UV levels with shorter burn times of 15 minutes, highlighting the need for sun safety year-round. To stay protected, everyone should remain vigilant, particularly in the peak months and ensure proper sun protection measures are in place.
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 |
| Nnenasa | 10 | 11 | 12 | 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 |