Last updated: July 2, 2025
In Tianyuan, China, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin health issues, particularly in an area where the climate is characterized by hot, humid summers (Cfa climate zone) and elevated UV exposure. As the sun reaches its peak intensity around midday, with UV Index levels soaring to 13, residents and visitors alike must stay informed and take proactive measures against the sun's effects, ensuring a safe and enjoyable experience outdoors.
From the early morning hours, the UV Index steadily rises, beginning at a gentle 1 at 7:00 AM. As the sun climbs higher, it reaches 3 by 8:00 AM before surging to 6 at 9:00 AM. The peak occurs between 11:00 AM and 1:00 PM, with an intense UV Index of 12 at 11:00 AM and a maximum of 13 at both 12:00 PM and 1:00 PM. As the afternoon progresses, the index starts to decline, dropping to 11 at 2:00 PM, then to 8 by 3:00 PM, and further down to 5 at 4:00 PM. Finally, as the sun sets, the risk decreases significantly, ending the day at 1 by 6:00 PM, illustrating a classic curve of sun intensity throughout the day. Remember to take precautions during the peak hours to protect your skin!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, with peak levels occurring from May to September. During these months, the index reaches extreme levels, peaking at 14 in August, which translates to a burn time of just 10 minutes. The highest risk months are therefore from February to September, particularly in spring and summer, when daily exposure can lead to serious skin damage in a very short time. Even during October and November, the UV levels remain high, categorized as very high with a burn time of 15 minutes. Visitors and residents should take precautions by seeking shade, wearing protective clothing, and using sunscreen to minimize their risk of UV exposure, especially during these high-risk months.
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 |
Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
Tianyuan | 7 | 9 | 12 | 12 | 13 | 13 | 13 | 14 | 12 | 10 | 9 | 7 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |