Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Huangyuan Chengguanzhen, China, where the risk of harmful ultraviolet radiation peaks during the day due to its Dwc climate. Being aware of UV levels matters significantly, as it plays a vital role in sunburn prevention and maintaining skin health. With UV indexes soaring as high as 14 around midday, the potential for skin damage is considerable. Protecting yourself against these intense levels of UV exposure is essential for enjoying the sunny climate while safeguarding your skin.
The UV Index throughout the day presents a dynamic picture of sun intensity, peaking at a critical 14 between 1:00 PM and 2:00 PM. Starting off gently at a mere 1 at 7:00 AM, the index gradually ascends to 2 by 8:00 AM, then surges to 4 by 9:00 AM. As the sun rises higher, it reaches a robust 10 at 11:00 AM and culminates at a sizzling 13 at noon. The late afternoon sees a slight decline, dropping to 11 by 3:00 PM, before tapering down to 2 by 6:00 PM and returning to a restful 1 by 7:00 PM. For those venturing outdoors, the hours from 11:00 AM to 3:00 PM clearly underscore the importance of sun protection!
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 | 13 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Seasonal UV changes show a marked increase from the beginning of the year to the peak summer months. January starts with a moderate UV Index of 4, moving to extreme levels of 13-14 from May through July. The highest risk months are April through September, with the UV Index often reaching extreme levels (12-14), where burn time can be as low as 10 minutes. As the year progresses into autumn, the UV Index declines, allowing for more moderate exposure in October and December. Visitors and residents are advised to take precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours, to reduce the risk of harmful UV exposure.
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 |
Huangyuan Chengguanzhen | 4 | 6 | 9 | 12 | 13 | 14 | 14 | 12 | 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 |