Last updated: June 2, 2025
Understanding the UV Index in Longcang, China is essential for safeguarding your skin and overall health. With peak UV levels reaching as high as 15 between noon and 1 PM, awareness of these fluctuations is crucial for preventing sunburn and long-term skin damage. The climate in Longcang, characterized by its Dwc classification, presents unique challenges throughout the year, making it imperative for residents and visitors alike to recognize the daily UV intensity. By staying informed about UV levels, you can enjoy the sunshine responsibly and protect your skin from harmful rays.
The UV Index varies throughout the day, starting at a low level of 1 at 7:00 AM. As the morning progresses, it steadily rises, reaching 2 by 8:00 AM and climbing to 4 at 9:00 AM. The real intensity kicks in by 10:00 AM, hitting a peak of 8. The UV Index continues to soar, hitting an impressive 11 at 11:00 AM and 14 at 12:00 PM. The highest reading occurs at 1:00 PM, with a 15, indicating a very high level of UV radiation. From this peak, the index gradually declines to 14 by 2:00 PM, then 12 at 3:00 PM, followed by a steady decrease to 9 at 4:00 PM. As the sun begins to dip, the UV Index falls to 5 at 5:00 PM, 3 at 6:00 PM, and back to a 1 by 7:00 PM. It’s a day to enjoy the sunshine, yet precautions are essential during peak 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with the highest levels occurring from March to September. During this peak period, particularly in April through August, the UV Index reaches extreme levels of 13 to 15, with a burn time of only 10 minutes for unprotected skin. The highest-risk months are April, May, and June, where the UV Index stays consistently at 15 and poses serious risk for sunburn or skin damage. In contrast, January and December present the lowest UV levels with a moderate exposure category. Visitors and residents are advised to take protective measures, such as wearing sunscreen, hats, and UV-blocking clothing, especially during high-risk months. Planning outdoor activities outside the peak sun hours of 10 a.m. to 4 p.m. is also recommended to minimize UV exposure.
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 |
| Longcang | 5 | 7 | 10 | 13 | 15 | 15 | 15 | 14 | 13 | 10 | 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 |