Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Shijiaochang, China, where the combination of a humid subtropical climate and daily sunlight can lead to significant UV exposure. With peak levels reaching as high as 12 around midday, being informed about the UV Index not only aids in preventing sunburn but also plays a vital role in maintaining overall skin health. As summer temperatures rise and outdoor activities increase, awareness of UV levels is essential to protect yourself and your loved ones from potential long-term skin damage. Stay informed and enjoy the sun safely!
At dawn, the UV Index starts off gently, peaking at just 1 by 7:00 AM. As the sun climbs higher, its intensity increases rapidly, reaching 4 by 9:00 AM and striking 10 by 11:00 AM—a clear warning to seek shade or slather on sunscreen. The highest reading of 12 occurs at both noon and 1:00 PM, indicating peak solar intensity. Fortunately, as afternoon approaches, the index begins to wane, dropping to 8 by 3:00 PM and further declining to below 5 by 4:00 PM. By the time 7:00 PM rolls around, the UV danger has diminished significantly, settling back to a safe 1. Stay protected during those intense midday hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variation, with the highest levels occurring from April to August, classified as extreme (UV Index 11-12) and corresponding to a minimal burn time of just 10 minutes. March marks the transition into very high levels (UV Index 9), where the burn time decreases to 15 minutes. High-risk months include February to October, particularly highlighting the need for caution during the summer months. Visitors and residents should take appropriate precautions, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak hours when UV exposure is at its highest. In contrast, January and December represent the lower end of the UV Index, with moderate levels (UV Index 5), where burn times extend to 30 minutes.
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 |
Shijiaochang | 5 | 7 | 9 | 11 | 11 | 12 | 12 | 12 | 9 | 9 | 7 | 5 |
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 |