Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Chuzhou, China, where the combination of a humid subtropical climate and intense summer sun can pose significant risks to skin health. With UV levels frequently peaking at 11 around midday, awareness of these fluctuations can help you take essential precautions against sunburn and long-term skin damage. By keeping an eye on the UV Index, you can better enjoy your outdoor activities while safeguarding your skin from harmful rays. Whether lounging in the park or engaging in sports, knowing when to seek shade or apply sunscreen is vital in this vibrant city, especially during the peak exposure hours from 10 AM to 2 PM.
During the day, the UV Index experiences a significant rise, peaking at 11 around noon, indicating a strong potential for skin damage without protection. The morning starts relatively mild, with values of 2 at 7:00 AM, gradually increasing to 8 by 10:00 AM. As the sun reaches its zenith, the index hits its highest point, 10, at 11:00 AM, before slightly declining to 10 again at 1:00 PM. The afternoon sees a gradual decrease, dropping to 6 by 3:00 PM and continuing down to 1 by 6:00 PM. It's essential to be mindful of UV exposure during the peak hours between 11:00 AM and 2:00 PM, when protective measures are crucial for skin health.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | 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 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 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 changes, peaking in the summer months. From January to March, the index gradually rises from a moderate level of 4 to a very high level of 8, indicating an increasing risk of sunburn. The high-risk months are notably April through August, where the UV Index is consistently very high to extreme, especially in June and July, reaching a peak of 11. During these months, the recommended burn time shrinks to as little as 10 minutes. It is crucial for both visitors and residents to take preventive measures, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, particularly from April to August. As fall approaches, the UV Index gradually declines, making November and December moderate months, where exposure is less critical but still requires attention.
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 |
| Chuzhou | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 10 | 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 |