Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Nnewi, Nigeria, where the Aw climate exposes us to variable UV radiation throughout the day. With peak levels reaching an intense 11 during midday hours, it's vital to be aware of these values to protect against sunburn and promote long-term skin health. Sunburn prevention is not just about comfort; it’s essential for reducing the risk of skin damage and other health concerns. Being informed about UV levels empowers you to make smart choices about sun safety, ensuring that outdoor activities remain enjoyable and safe in our vibrant community.
As the sun rises, the UV Index begins to climb, starting from a mild 1 at 7:00 AM. By 10:00 AM, it reaches a moderate 7, signaling that protective measures should be considered. The UV intensity peaks at 12:00 PM with a striking 11, indicating the highest risk of harm from unprotected sun exposure. The afternoon hours see a gradual decline, with the index dropping to 7 at 3:00 PM and eventually settling back to a safe 1 by 6:00 PM. As day turns to evening, the UV levels retreat to 0 by 7:00 PM, underscoring the importance of sun safety during those peak midday hours. Stay vigilant and protect your skin when the sun is at its strongest!
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 | 9 | 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 |
The UV Index reveals significant seasonal changes, highlighting a high-risk period from February to October where the index consistently remains in the extreme category, with values peaking at 14 in April. During this span, the burn time is notably short at just 10 minutes, making it crucial for visitors and residents to prioritize sun protection measures. For January, November, and December, the index drops to very high, allowing for a slightly longer burn time of 15 minutes. It's advisable to seek shade, wear protective clothing, and apply sunscreen liberally during the peak UV months, particularly from February through September, to minimize the risk of skin damage.
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 |
Nnewi | 10 | 11 | 11 | 14 | 12 | 11 | 11 | 11 | 12 | 11 | 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 |