Last updated: June 2, 2025
Understanding the UV Index in Yumendong, China, is vital for anyone looking to protect their skin and overall health. With typical UV exposure peaking in the afternoon, when levels can reach as high as 13, awareness of the UV Index helps residents and visitors alike prevent sunburn and long-term skin damage. Yumendong's semi-arid climate (BWk) means that even moderate UV levels can pose risks, especially during sun-intensive hours. By monitoring the UV Index, you can take proactive steps to enjoy the outdoors safely and keep your skin healthy all year round.
The UV Index (UVI) throughout the day presents a clear progression towards peak intensity, highlighting the importance of sun safety during midday hours. Starting from a modest maximum of 1 at 07:00, the UVI climbs steadily, reaching 4 by 09:00 and 6 at 10:00. As the sun approaches its zenith, the UVI spikes dramatically, peaking at an intense 13 during the 13:00-14:00 window, signaling a critical time for protection against harmful UV rays. This potent exposure subsides in the afternoon, dropping to 11 by 15:00 and gradually declining towards 5 at 17:00. The evening brings a welcome relief as the index falls to 3 by 18:00 and dwindles further to 1 at 19:00. Understanding these hourly fluctuations allows you to take proactive measures, ensuring your safety while enjoying the sun!
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variation throughout the year, with the highest UV levels occurring from March to August. Notably, April to July are particularly high-risk months, where the UV Index peaks at 13, indicating an extreme exposure category with a burn time of just 10 minutes. Conversely, the UV Index drops to a more moderate level of 3 in January, November, and December, where the burn time extends to 30 minutes. Visitors and residents are strongly advised to take precautions during the high UV Index months by applying sunscreen, wearing protective clothing, and seeking shade, especially when the UV Index reaches 9 or higher. Staying informed and proactive can help prevent skin damage and ensure a safer outdoor experience.
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 |
| Yumendong | 3 | 5 | 9 | 11 | 13 | 13 | 13 | 12 | 9 | 7 | 5 | 3 |
| 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 |