Last updated: August 1, 2025
Understanding the UV Index in Chengdong, China is crucial for safeguarding your skin and overall health. With high UV levels particularly between 10 AM and 2 PM, awareness of these daily fluctuations can help you prevent sunburn and long-term skin damage. Chengdong's Cwa climate offers warm summers and distinctive seasonal changes, resulting in varying UV exposure risks throughout the year. By staying informed about the UV Index, you can enjoy the sun responsibly and take necessary precautions to protect your skin.
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 | 9 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 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 |
Throughout the year, the UV Index experiences significant fluctuations that highlight the importance of sun safety, particularly during the high-risk months from March to September. During this period, the UV Index reaches its peak, with values of 8 to 12, categorizing exposure levels as very high to extreme. The most critical months are May, June, July, and August, where the burn time drops to just 10 minutes, necessitating vigilant sun protection. As winter approaches, the UV Index decreases to moderate levels in January and December, reflecting a safer environment for outdoor activities. Visitors and residents should be advised to take precautions during peak UV times, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly between 10 a.m. and 4 p.m. to minimize the risk of skin damage.
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 |
Chengdong | 5 | 6 | 8 | 10 | 11 | 12 | 12 | 12 | 11 | 9 | 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 |