Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Orita-Eruwa, Nigeria, as it plays a vital role in ensuring skin health and preventing sunburn. With an Aw climate characterized by warm temperatures and high humidity, the region experiences significant UV exposure, especially during the midday hours when the index can soar to levels of 11 and 12. By being aware of the daily UV levels, you can take necessary precautions to protect yourself and your loved ones from harmful UV rays and enjoy the sunny days safely.
The UV Index throughout the day showcases a significant peak around midday, making for an intriguing observation of sunlight intensity. Starting at 07:00, the index remains low at 1, gradually rising to 3 by 09:00. As the sun climbs higher, we reach a notable 6 by 10:00 and surge to its maximum intensity of 11 at noon, a warning to take protective measures. The afternoon sees a brief plateau with 12 at 13:00, before tapering off to 11 at 14:00 and declining steadily to 5 by 16:00. By 17:00, the index drops to 2, and the sunlight wanes, bringing it back down to 1 by 18:00 and finally settling at 0 by 19:00. This hourly data serves as an important reminder to stay vigilant under the sun, 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 | 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 | 0 | low | 45 min |
Throughout the year, seasonal UV changes reveal high levels of ultraviolet radiation, particularly from January to October, when the UV Index consistently stays in the extreme range, peaking at 14 in April. Notably, the high-risk months are from February to October, where the burn time sharply decreases to 10 minutes, posing significant risks for skin damage. As UV levels rise during these months, it is crucial for both visitors and residents to take protective measures: use sunscreen, wear protective clothing, and seek shade during peak sun hours. In contrast, November and December see a drop to a very high UV Index of 9, allowing for slightly longer burn times of 15 minutes, yet caution is still advised as the sun can still be harmful. Being mindful of these conditions is essential for safe outdoor activities year-round.
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 |
| Orita-Eruwa | 10 | 11 | 12 | 14 | 12 | 12 | 12 | 12 | 13 | 11 | 9 | 9 |
| Kaduna UVI | 10 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |