Last updated: July 2, 2025
Understanding the UV Index in Longnan, China is crucial for safeguarding your skin and overall health. With the region's Cfa climate, which enjoys warm summers, residents and visitors must be aware of the varying UV levels throughout the day, particularly peak hours when the index reaches a maximum of 13 around noon. Recognizing these UV levels is essential for preventing sunburn and minimizing long-term skin damage. By staying informed about daily UV exposure risks, you can better protect yourself while enjoying all that Longnan has to offer under the sun.
As the sun rose, the UV Index began its climb, starting at a modest 2 at 07:00. By 08:00, it reached 4, signaling an emerging intensity. The index peaked between 10:00 and 12:00, soaring to a striking 13 at noon—ideal conditions for sunbathers but a call for caution against overexposure. The afternoon saw a gradual decline, with readings dropping to 6 at 15:00 and cooling further to 2 by 17:00. As twilight approached, the UV intensity waned, slipping to a safe 0 by 19:00, offering a gentle reminder of nature’s rhythm throughout the day.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | 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 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit notable seasonal changes, peaking during the warmer months. The highest risk months, characterized by an extreme UV Index of 13, are from May to August. In these months, the burn time is dramatically reduced to just 10 minutes, indicating heightened caution is essential. March and April also pose significant risk with an extreme index of 11-12 and a burn time of 10 minutes. Conversely, during winter months, particularly January, November, and December, the risk is relatively lower, with high exposure categories and burn times of 25 minutes. Visitors and residents are advised to take necessary precautions, such as wearing sunscreen, protective clothing, and sunglasses, especially from March to August when UV levels are at their peak.
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 |
Longnan | 6 | 8 | 11 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 | 6 |
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 |