Last updated: July 2, 2025
In Ririwai, Nigeria, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the region's Aw climate, characterized by hot temperatures and abundant sunshine. As UV levels soar, particularly between 10:00 AM and 2:00 PM, understanding the risks associated with high UV exposure becomes essential. With maximum UV indices peaking at 13, it's vital for residents and visitors alike to take precautionary measures to protect their skin. By monitoring UV levels, you can enjoy the sunshine safely while minimizing the harmful effects of ultraviolet radiation on your body.
As the sun rises, the UV Index starts modestly at 1 at 07:00, indicating minimal risk. By 09:00, it climbs to a moderate 5, encouraging outdoor enthusiasts to take precautions. The peak emerges around 12:00, hitting a noticeably high 13, and remains intense until 14:00 when it slightly dips to 11. As the afternoon wanes, the index gradually decreases; by 15:00, it falls to 7, and as evening approaches, it continues its decline to 2 at 17:00. Finally, the UV Index settles at 1 by 18:00, ultimately dipping to a safe 0 by 19:00. It's a day where midday sun protection is paramount!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 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 levels exhibit significant seasonal variations, with the highest levels occurring between February and October. The months of March through October consistently have an extreme exposure category, with UV Index values peaking at 13 in July, August, and September. Visitors and residents should be particularly cautious during these high-risk months, as the burn time is as short as 10 minutes during peak UV exposure. Protective measures such as wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade between 10 a.m. and 4 p.m., are strongly advised to minimize the risk of skin damage and sunburn. In contrast, the winter months (November to January) still present a very high UV risk, with burn times of up to 15 minutes, suggesting that vigilance is necessary even in cooler seasons.
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 |
Kaduna UVI | 10 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |
Ririwai | 10 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |