Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Weishan, China, where the warm climate can expose individuals to varying levels of ultraviolet radiation throughout the day. As UV levels can escalate significantly, peaking at 15 between midday and early afternoon, being aware of these fluctuations is essential for preventing sunburn and promoting long-term skin health. With Weishan’s Cwb climate, characterized by distinct wet and dry seasons, the risk of harmful UV exposure can be high. Stay informed and take proactive measures to protect your skin while enjoying the beauty of this stunning locale!
As the sun rises, the UV Index starts off gently, peaking at a mild 1 between 7:00 and 8:00 AM. By 9:00, awareness is crucial as it climbs to 4, signaling stronger rays. The real intensity hits at 11:00, with a striking peak of 10—a reminder to seek shade or apply sunscreen. The highest level occurs at 12:00, registering an impressive 13. As we reach 1:00, the UV Index ascends to its zenith at 15, urging everyone to take protective measures. Fortunately, the afternoon brings a gradual decline: by 3:00, it drops to 12, then 8 at 4:00, and finally down to a comfortable 2 by 6:00. As night approaches, the index returns to 1 by 7:00 PM, signaling the end of a day marked by intense sun exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk occurring from March to October. During this period, the UV Index reaches extreme levels, peaking at 16 in July, where the burn time is as little as 10 minutes. This makes April, May, June, July, August, and September the most critical months for UV exposure, requiring heightened caution. Residents and visitors should take proactive measures such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. In contrast, November and December present lower UV risks, with the index dropping to 9 and 7 respectively, allowing for slightly longer safe exposure times of 15 and 25 minutes. Overall, vigilance and care are essential during the peak months to prevent harmful effects from UV radiation.
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 |
| 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 |
| Weishan | 8 | 9 | 12 | 13 | 14 | 15 | 16 | 15 | 14 | 12 | 9 | 7 |