Last updated: June 2, 2025
In Zhangjiawan, China, being aware of the UV Index is essential for safeguarding your skin while enjoying the outdoors. Understanding UV levels not only helps in preventing sunburn but also plays a crucial role in maintaining long-term skin health. With a Cfa climate, characterized by warm summers, residents and visitors alike should be vigilant, especially during peak UV hours (11 AM to 1 PM), when the UV Index can soar as high as 11. Embracing this knowledge empowers you to take proactive measures against harmful UV rays, ensuring your time in the sun is safe and enjoyable.
The UV Index today follows a dynamic trajectory, peaking dramatically as the sun climbs. Starting at a modest 1 at 07:00, it rises to 3 by 08:00 and then continues its ascent, reaching 5 by 09:00. The intensity escalates further, peaking at an impressive 11 at 12:00—a time when sun protection is crucial. As the afternoon wears on, the index moderately descends, dropping to 10 by 13:00 and gradually decreasing to 6 at 15:00. By 16:00, it falls to 4, before tapering off to 1 by 18:00 and remaining constant until 19:00. This hourly breakdown highlights the importance of being sun-smart during peak hours, especially when the index is at its highest!
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest levels occurring during the summer months. From March to August, the UV Index reaches very high to extreme levels, particularly peaking in June and July with an index of 12, which categorizes it as extreme, resulting in a burn time of just 10 minutes for unprotected skin. It's essential for visitors and residents to take precautions during these high-risk months; seek shade, wear protective clothing, and apply sunscreen generously. Conversely, the UV Index drops in the winter months, with January and December showing moderate levels (UV Index of 5 and 4 respectively), allowing for longer exposure times of 30 minutes before burning occurs. By staying informed about these seasonal changes, individuals can better protect themselves from harmful UV radiation year-round.
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 |
| Zhangjiawan | 5 | 6 | 8 | 9 | 10 | 11 | 12 | 12 | 10 | 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 |