Last updated: July 2, 2025
In Chenchang, China, staying informed about the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. Understanding UV levels can significantly aid in sunburn prevention and long-term skin health, especially in a region where the climate is characterized by warm summers and moderate to high UV exposure. With maximum UV Index values peaking at 12 during midday, the risk of skin damage increases dramatically, making awareness a key factor in enjoying the outdoors safely. Whether you're lounging in the sun or engaged in outdoor activities, knowing when to protect yourself is essential for maintaining your skin's health and enjoying the vibrant atmosphere of Chenchang.
As the sun rises, the UV Index begins to climb, reaching a maximum of 12 by midday. At 07:00, the index starts at a gentle 1, making it a safe time for early risers. However, by 10:00, it escalates quickly to 8, signaling the need for sun protection. The peak intensity occurs from 11:00 to 13:00, where it hits 10 and 12, respectively—ideal times for seeking shade or applying sunscreen. As the afternoon progresses, the index declines, dropping to 7 by 15:00 and gently tapering to 1 by 19:00. Overall, it’s crucial to stay mindful of the sun's strength during these busy hours to protect your skin effectively.
| 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 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | 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 | 1 | low | 45 min |
As the year progresses, UV exposure varies significantly, with certain months posing higher risks for sunburn and skin damage. The highest UV Index levels occur from March to August, particularly peaking at 12 in July, indicating an extreme exposure category where burn time is as little as 10 minutes. April and May also exhibit very high UV levels, recorded at 10 and 11, respectively. Visitors and residents should be especially cautious during these high-risk months and take preventative measures such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. By September, the UV Index starts to decrease, but remains in the very high category at 10, followed by a gradual decline through winter months, reaching a moderate level of 4 by December. Staying informed and proactive is key to ensuring skin health throughout the changing seasons.
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 |
| Chenchang | 5 | 6 | 8 | 10 | 11 | 11 | 12 | 11 | 10 | 9 | 6 | 4 |
| 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 |