Last updated: June 2, 2025
Understanding the UV Index is essential for residents of Wucheng, China, as it directly impacts sun safety and skin health. With the arid climate characteristic of the BSk zone, Wucheng faces unique challenges regarding UV exposure, particularly during peak hours when the UV Index can reach as high as 10 around noon. Being informed about daily UV levels is crucial not only for preventing painful sunburns but also for safeguarding long-term skin health. Whether you’re outdoor exploring or simply enjoying the sun, awareness of UV risks helps you take the necessary precautions to protect yourself and your loved ones.
As the sun rises, the UV Index begins its climb, peaking at a maximum of 10 between 11:00 AM and 12:00 PM. Early bird sun-seekers see a gradual increase from 2 at 07:00 to a more pronounced 6 by 09:00. Those venturing out around 10:00 AM should be cautious, as the index hits an intense 8. A quick drop starts post-noon, with 9 at 1:00 PM, tapering down to 5 by 3:00 PM. The afternoon sun yields a gentle decline, wrapping up the day with a 2 at 5:00 PM and falling to 1 by 6:00 PM, making the late hours much safer for outdoor activities. It’s a reminder to stay protected during peak hours when the UV rays are at their strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 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 |
Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. From January to February, the UV Index remains moderate (3-4), allowing for about 30 minutes of sun exposure without risk of burning. Transitioning into March, the index rises to 6 (high), reducing safe exposure to 25 minutes. The real risk emerges from April to August, when the index spikes, peaking in July at 11 (extreme), with a mere 10 minutes of safe exposure, highlighting this as a high-risk month for sunburn and skin damage. Following this peak, the index gradually declines from August to October, maintaining a very high category before falling back to moderate levels in the late fall and winter. To ensure safety, visitors and residents are advised to practice sun safety, particularly during the high-risk months of April through August, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly.
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 |
| Wucheng | 3 | 4 | 6 | 8 | 9 | 10 | 11 | 9 | 8 | 7 | 4 | 3 |
| 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 |