Last updated: June 2, 2025
In Nanni, China, staying informed about the UV Index is crucial for protecting your skin health and preventing sunburn. With a climate categorized as ET, residents and visitors face unique challenges due to high UV levels, especially between noon and early afternoon when the index soars to a staggering 17. Understanding these UV levels not only helps you enjoy the sunny days but also serves as a vital reminder to take necessary precautions, ensuring your outdoor activities remain safe and enjoyable. Make sun safety a priority in Nanni, where the intensity of UV radiation can significantly impact your well-being.
The UV Index (UVI) show a dramatic rise in intensity throughout the morning and early afternoon, peaking at 17 between 2:00 PM and 3:00 PM. Starting from a minimal level of 0 at 7:00 AM, the sun's rays gradually intensify, climbing to 13 by noon. As the clock strikes 1:00 PM, the risk escalates to 16, urging sun safety measures. A slight drop follows, with the index measuring 15 at 3:00 PM and continuing to decline as the day progresses, settling at 2 by 7:00 PM. This data underlines the importance of protective strategies during peak hours, especially between 11 AM and 2 PM, when UV exposure presents its highest threat.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 16 | extreme | 10 min |
| 14:00 | 17 | extreme | 10 min |
| 15:00 | 15 | extreme | 10 min |
| 16:00 | 12 | extreme | 10 min |
| 17:00 | 8 | very high | 15 min |
| 18:00 | 5 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, peaking between March and October. Notably, the highest risk months for UV exposure are April to September, where the index remains in the extreme category, reaching a peak of 18 in May. During these months, the recommended maximum burn time is just 10 minutes, so it is crucial for both visitors and residents to take protective measures, such as applying sunscreen regularly, wearing protective clothing, and seeking shade during peak hours. In contrast, January and November present slightly lower risks with a UV Index of 9 and 10, respectively, allowing for a burn time of 15 minutes. As the year concludes in December, the UV risk decreases further to a high category of 7, enabling a longer burn time of 25 minutes. Overall, awareness and proactive sun safety strategies are essential during the peak UV months to safeguard skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |
| Nanni | 9 | 11 | 15 | 15 | 18 | 17 | 17 | 17 | 16 | 12 | 10 | 7 |