Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Nanyi, China, where the subtropical climate presents unique sun exposure challenges. With peak UV levels often soaring to a striking 13 during midday, awareness of these rays is essential for sunburn prevention and maintaining skin health. By monitoring daily UV levels, locals can take proactive measures against harmful effects such as skin damage and increase their enjoyment of the outdoors while minimizing risks. Given Nanyi's temperate climate, recognizing the fluctuating UV index throughout the day is key to protecting oneself from overexposure during those high-risk hours. Stay informed and safeguard your skin!
The UV Index for the day exhibits a striking daytime peak, rising steadily from a gentle 1 at 07:00 to an intense 13 by 12:00. As the sun reaches its zenith, the 11:00 and 12:00 hours warn of heightened exposure, with the index hitting its maximum at 13:00 before beginning its gradual decline. By 15:00, it slips to 7, reminding us that even in the afternoon, protection is vital. As the day winds down, the UV levels fall back to a safe 1 by 18:00, ensuring a return to safer conditions for evening activities. Stay vigilant and protect your skin during those midday hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 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 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, indicating varying risk of sun exposure. High-risk months typically occur from March to August, when the UV Index reaches its peak with values between 9 to 13, categorized as very high to extreme. For instance, in May and July, the burn time is as short as 10 minutes, underscoring the importance of protective measures. Visitors and residents are advised to take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV radiation is strongest. The UV Index begins to drop in September, and by December, it falls to a moderate rating of 5, allowing for less stringent sun safety practices.
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 |
Nanyi | 6 | 7 | 9 | 10 | 11 | 12 | 13 | 12 | 10 | 8 | 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 |