Last updated: August 1, 2025
In Nantuo, China, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a climate characterized by hot summers, residents and visitors alike face significant UV exposure risks, particularly during peak hours when UV levels soar to a maximum of 13 between 1 PM and 2 PM. Grasping these UV levels can empower you to take necessary precautions, ensuring you enjoy the outdoors while safeguarding your skin. Being aware of the UV Index not only helps prevent immediate harm, but also contributes to long-term skin health, making it an essential tool for everyone in this vibrant region.
The UV Index undergoes a notable progression throughout the day, beginning at a gentle 1 at 07:00, before gradually rising to a moderate 2 by 08:00. As the sun ascends, the index climbs sharply, peaking at a dizzying 13 around 13:00—a clear indication that sun protection is essential during these hours. From this pinnacle, the UV Index begins its descent, tapering off to a 9 at 15:00 and finally dwindling to 1 by the evening hours of 18:00 and 19:00. With this data in mind, it's crucial to enjoy the outdoors safely, particularly between 11:00 and 14:00, when the sun's rays are at their most intense.
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 |
Seasonal UV changes highlight a notable increase in UV exposure from January through July, peaking in July with a UV Index of 13 and an extreme exposure category, resulting in a necessary burn time of just 10 minutes. The months of April through August represent the high-risk period, where extreme UV levels demand heightened caution. Visitors and residents are advised to take protective measures during these months by wearing sunscreen, hats, and protective clothing, especially between 10 AM and 4 PM. As summer fades into autumn, UV levels diminish gradually, but September and October still present a moderate risk that should not be overlooked.
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 |
Nantuo | 6 | 7 | 9 | 11 | 12 | 12 | 13 | 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 |