Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents of Gangu Chengguanzhen, China, especially given its Dwb climate, which features warm summers with significant sun exposure. Understanding UV levels is essential not just for preventing sunburn, but also for maintaining long-term skin health as harmful rays can lead to serious skin issues over time. With UV Index values reaching up to 13 in the early afternoon, it's important to take protective measures during peak hours to mitigate risks associated with high UV exposure. Stay informed, stay protected!
At dawn, the UV Index begins at a mild level of 1 by 7:00 AM, offering a safe start to the day. As the sun climbs higher, it ascends rapidly; by 10:00 AM, the index hits a more intense 7. The peak arrives at 12:00 PM, reaching a striking 12, prompting outdoor enthusiasts to seek shade and protect their skin. This intensity remains high, with a max of 13 at 1:00 PM. As afternoon rolls in, a gradual decline commences; by 3:00 PM, it's at 9, and continues to drop to 4 by 5:00 PM, ensuring a more comfortable evening. By 7:00 PM, the UV Index settles back to a safe 1, marking the day's end for sun exposure.
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, peaking during the summer months. January to February presents a moderate to high risk, with burn times decreasing from 30 minutes to 25 minutes. As spring arrives, March reaches a very high level with a 15-minute burn time, escalating to an extreme category in April through August. Here, the UV Index soars to a maximum of 13, necessitating attention as burn times drop to just 10 minutes. By September, the threat remains extreme, but begins to taper off in October to very high. The risk subsequently lessens in November and December, returning to moderate levels with burn times at 30 minutes. Visitors and residents are strongly advised to take precautions during March to September, particularly in July and August when UV levels are at their highest, by wearing protective clothing, applying sunscreen, and seeking shade to minimize exposure.
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 |
| Gangu Chengguanzhen | 4 | 7 | 8 | 11 | 12 | 13 | 13 | 12 | 11 | 8 | 5 | 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 |