Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Zhouxi, China, especially given its humid subtropical climate (Cfa), which brings intense sun exposure. Being aware of UV levels helps in preventing sunburn and promoting skin health, ensuring you can enjoy the outdoors safely. With dramatic peaks in the UV Index—reaching as high as 12 around noon—it’s essential to recognize the risk of overexposure. By monitoring these levels, you can take proactive steps to protect your skin and wellness throughout the year-round sunshine in Zhouxi.
Starting off the day at 7:00 AM with a UV Index of 2, the sun gradually gains strength. By 8:00 AM, it rises to 3, and the intensity sharply escalates to 6 by 9:00 AM. The peak arrives at 12:00 PM, where a UV Index of 12 signifies a high-risk level—perfect for those seeking a sunny afternoon. As the day progresses, the index dips to 11 at 1:00 PM but begins to decline to 9 by 2:00 PM and drops further to 4 at 4:00 PM. As the sun sets, the UV Index winds down, reaching 2 by 5:00 PM and slipping to 1 by 6:00 PM, signaling a safe time for outdoor evening activities. Be sure to protect yourself during the peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 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 radiation levels vary significantly, with high-risk months typically spanning from March to September. The UV Index peaks during late spring and summer, reaching an extreme level of 12 from June to August, resulting in a burn time of just 10 minutes. As the year progresses, January and February experience a high UV Index of 6 and 7, respectively, with longer burn times of 25 minutes. In contrast, December sees a drop to a moderate UV Index of 5, where the burn time extends to 30 minutes. Visitors and residents should exercise caution during the very high and extreme UV Index months by wearing protective clothing, using a broad-spectrum sunscreen, and seeking shade, especially during peak sunlight hours.
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 |
Zhouxi | 6 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 10 | 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 |