Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Oji River, Nigeria, as it plays a vital role in promoting skin health and preventing sunburn. With the region's Aw climate, characterized by warm temperatures and ample sunshine, awareness of UV levels can make a significant difference in minimizing risks associated with prolonged sun exposure. On a typical day, Oji River experiences varying UV indices, peaking at a dangerous 12 between noon and 1 PM, underscoring the importance of knowing when to seek shade and apply sunscreen. By staying informed about UV levels, residents can better protect themselves and enjoy the sunny climate safely.
The UV Index for today displays a notable increase, reaching its peak at 12 between 12:00 PM and 1:00 PM, signaling a high risk of harm from unprotected sun exposure. As the day begins, the index starts at a mild 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. A sharp rise occurs by 10:00 AM, hitting 7, before soaring to an intense 10 at 11:00 AM. After the zenith from 12:00 PM to 1:00 PM, the index gradually declines, dipping to 7 by 3:00 PM, then back down to 4 at 4:00 PM, before closing the day at 0 by 7:00 PM. With such elevated UV levels during the midday hours, it’s crucial to take precautions—seek shade, wear protective clothing, and apply sunscreen to ensure safety while enjoying the outdoors!
| 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 | 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 |
During the year, UV Index levels exhibit significant fluctuations, particularly peaking from February to October where they fall within the extreme exposure category. The highest UV Index readings occur in April with a remarkable 13, followed closely by March and May at 11. Consequently, February through September are considered high-risk months for UV exposure, with minimal safe burn times of only 10 minutes during this period. Residents and visitors should take precautionary measures to protect their skin, including wearing sunscreen, protective clothing, and seeking shade, especially during peak exposure hours. As the UV Index drops in November and December to levels of 9, it remains important to exercise care, as these months still reflect a very high exposure level with a slightly extended burn time of 15 minutes.
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 |
| Oji River | 10 | 11 | 11 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 9 | 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 |