Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Nanzhao Chengguanzhen, China, where elevated levels of ultraviolet radiation can pose significant risks to skin health. In this region, particularly during the peak hours of sunlight from late morning to early afternoon, the UV Index often reaches levels above 8, indicating a high potential for sunburn and long-term skin damage. Awareness of the UV Index can empower you to take necessary precautions, ensuring safety during outdoor activities and promoting overall skin well-being. Given Nanzhao Chengguanzhen's Cwa climate, characterized by distinct wet and dry seasons, it's important to stay informed about daily UV levels to effectively manage exposure throughout the year.
As the day unfolds, the UV Index transitions from a gentle 1 at 07:00 to a peak of 11 at noon, making it crucial for sun safety. The intensity is palpable as 10 at 11:00 gives way to a swift decline, dropping to 9 by 14:00. By the late afternoon, the sun's reach retracts to 4 at 16:00, eventually waning to 1 by 19:00. This dynamic progression urges outdoor enthusiasts to take precautions during the peak hours, especially between 10:00 and 13:00, when the index poses a strong risk for unprotected skin. Stay safe in the sun!
| 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 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 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 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal changes, with the highest values occurring during the summer months. April to August marks the period of extreme UV exposure, peaking at an index of 11 from May to August, where burn time is significantly reduced to just 10 minutes. March signals the beginning of increased UV risk as it reaches a high index of 7. Visitors and residents should be particularly vigilant from April through August, as these are the high-risk months for UV exposure. During these times, it's crucial to take protective measures, including wearing sunscreen, protective clothing, and seeking shade to minimize skin damage. As the year progresses into fall and winter, UV levels lower, with November and December returning to a moderate index of 4 to 5, allowing for safer outdoor activities with a burn time of 30 minutes.
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 |
| Nanzhao Chengguanzhen | 4 | 5 | 7 | 9 | 11 | 11 | 11 | 11 | 9 | 8 | 5 | 4 |
| 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 |
| 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 |