Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Bailian, China, where the combination of a humid subtropical climate (Cfa) and intense midday sun can pose significant risks to skin health. By being aware of the daily UV levels, you can take proactive measures to prevent sunburn and reduce long-term skin damage. With peak UV Index values reaching 10 around noon, it’s essential to stay informed about when to seek shade or apply sunscreen. Protecting yourself from harmful UV radiation is vital, especially in a region where daily exposure can vary widely. Stay safe and enjoy the sunny days in Bailian!
As the sun rises, the UV Index begins its ascent, peaking at an intense 10 at 12:00 PM. The day starts off gently, with a maximum of only 1 at 7:00 AM, but by 11:00 AM, it ramps up to 9, urging outdoor enthusiasts to take heed. From 9:00 AM through 1:00 PM, UV levels remain high, ranging from 5 to 10, emphasizing the importance of sun protection. As the afternoon unfolds, the index gradually declines, dropping to 5 by 3:00 PM and further down to 1 by the time the sun sets at 7:00 PM. So, whether you’re lounging by the pool or hiking through nature, it's essential to stay sun-savvy during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes reveal a significant increase in ultraviolet exposure from January through August, peaking during the summer months of June and July with a UV Index of 12, categorized as extreme. High-risk months include March through August, where the UV Index consistently reaches very high to extreme levels, leading to substantially reduced burn times ranging from 10 to 15 minutes. Residents and visitors are advised to exercise caution during these months by seeking shade, wearing protective clothing, applying sunscreen generously, and avoiding prolonged sun exposure, especially during peak hours around noon. As the year progresses, UV levels drop, with November and December returning to moderate levels, allowing for safer outdoor activities.
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 |
| Bailian | 5 | 7 | 8 | 10 | 10 | 11 | 12 | 12 | 10 | 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 |