Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Zhangji, China, where the climate offers vibrant sunshine, but also significant UV exposure risks. With peak UV levels reaching up to 11 during midday, being aware of these measurements is essential for sunburn prevention and maintaining optimal skin health. As Zhangji experiences a humid subtropical climate, the intensity of UV radiation can vary, making it important to stay informed and take protective measures against harmful sun rays. Whether you're planning outdoor activities or simply enjoying the sun, knowing the UV Index can help you stay safe and protected year-round.
At dawn, the UV Index is relatively low, rising gently from 2 at 07:00. As the day progresses, outdoor enthusiasts should take caution, as the index peaks at a striking 11 at 12:00, indicating a very high risk of harm from unprotected sun exposure. The intensity remains elevated throughout the early afternoon, with readings of 10 at 13:00 and 8 by 14:00. However, relief comes as the sun begins to wane, dropping to 5 by 15:00. By late afternoon and into the evening, the UV Index declines further to 3 at 16:00, and finally settles at a minimal 1 from 18:00 onwards. For sun seekers, midday is the time to be especially cautious, ensuring skin is protected to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 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 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variation, with the most intense exposure occurring in the summer months. From June to August, the UV Index reaches its peak at 11, falling into the extreme category, where burn time is merely 10 minutes. Conversely, from January to March, the levels are moderate, ranging from 3 to 7, requiring 30 minutes to burn. Notably, the high-risk months are April through September, during which the index continually exceeds 8, indicating a need for strong sun protection measures. Visitors and residents are strongly advised to seek shade, wear protective clothing, and apply sunscreen during peak hours, particularly from late spring to early fall, to mitigate the risks associated with overexposure.
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 |
| Zhangji | 4 | 5 | 7 | 9 | 10 | 11 | 11 | 11 | 9 | 7 | 5 | 3 |
| 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 |