Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Yunshishan, China, where the subtropical climate can lead to significant outdoor sun exposure. With UV levels peaking dangerously high from late morning to early afternoon—reaching a maximum of 13 at noon—awareness of these levels can play a vital role in preventing sunburn and protecting skin health. As inhabitants of a region that enjoys ample sunlight, it’s essential to remain informed about UV risks to ensure safe outdoor activities and maintain overall well-being. Keep an eye on the UV index daily to safeguard your skin and embrace the beauty of Yunshishan responsibly!
The UV Index on this particular day reflects the sun's intensity, peaking around 12:00 PM with a striking 13. Early morning hours start off gently, with a 1 at 7:00 AM and gradually climbing to a moderate 3 by 8:00 AM. By 9:00 AM, the index reaches a notable 6, but the afternoon demands attention as it escalates sharply to 12 and then stabilizes at 13 between 12:00 PM and 1:00 PM. As the sun begins to descend, the UV levels reduce, dropping to 10 at 2:00 PM, then tapering off to a manageable 4 by 4:00 PM. Finally, as the day winds down, the index falls to 1 by 6:00 PM, confirming that the sun’s effects diminish as twilight approaches. Be sure to protect your skin during the midday peak!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | 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 exposure levels fluctuate significantly, with high-risk months generally spanning from February through September, where the UV Index reaches extreme levels of 11 and higher. Notably, May, July, and August peak at a UV Index of 13, demanding particularly cautious behavior as the burn time drops to just 10 minutes. As we transition to fall and winter, UV levels gradually decrease, with October and November still presenting a very high concern, while January and December return to a high category with more extended burn times of 25 minutes. To protect against the harmful effects of UV radiation, visitors and residents should prioritize sun safety practices—such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade—particularly during the high-risk months when UV exposure is at its peak.
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 |
| Yunshishan | 7 | 9 | 11 | 11 | 13 | 12 | 13 | 13 | 11 | 10 | 8 | 6 |
| 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 |