Last updated: August 1, 2025
In Onitsha, Nigeria, awareness of the UV Index is crucial for protecting your skin against harmful sun exposure. Understanding the daily UV levels allows residents to take proactive measures against sunburn and promote overall skin health. Onitsha, with its tropical Aw climate, experiences high UV intensity, particularly between 10:00 AM and 2:00 PM, when the Index can soar to 12. By keeping an eye on the UV Index, you can enjoy the vibrant sunshine of Onitsha while minimizing your risk of skin damage.
As the day unfolds, the UV Index reveals its stark fluctuations, reaching its peak at 1 PM with a striking 12, signaling the need for sun protection. The morning starts slowly with a max of 1 at 7 AM, gradually rising to 4 by 9 AM, and then surging to 11 by noon. The intensity reaches its zenith at 10 in the late morning, followed by a slight decrease to 10 at 2 PM, before tapering off to 4 by 4 PM and settling back to a safe 0 by 7 PM. Remember to stay safe and shield yourself from harmful rays during the peak hours! 🌞
| 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 |
Throughout the year, UV Index levels exhibit significant seasonal changes, with January and February marking the beginning of high-risk months as the UV Index peaks at 11 and 10, respectively. The danger escalates as March through September experience consistently high values between 11 and 13, categorized as extreme, which results in a burn time as short as 10 minutes. October also maintains a high UV Index of 12 before dipping to 9 in November and December, where the exposure category shifts back to very high. Residents and visitors are advised to take precautions during these high-risk months by wearing protective clothing, seeking shade, and applying sunscreen frequently to mitigate the risk of skin damage from ultraviolet radiation.
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 |
| Onitsha | 10 | 11 | 11 | 13 | 12 | 11 | 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 |