Last updated: August 1, 2025
In Shixi, China, staying aware of the UV Index is crucial for safeguarding your skin against the harmful effects of ultraviolet radiation. Understanding UV levels can significantly aid in preventing sunburns and maintaining long-term skin health, especially as the index frequently reaches high levels throughout the day. With Shixi's humid subtropical climate, residents and visitors alike face notable exposure risks, particularly around midday when the UV Index peaks at a striking 12. By keeping an eye on these levels, you can take proactive steps to protect yourself from overexposure and enjoy the sunshine safely.
The UV Index undergoes a notable progression throughout the day, beginning at a gentle 1 at 07:00, before gradually rising to a moderate 2 by 08:00. As the sun ascends, the index climbs sharply, peaking at a dizzying 13 around 13:00—a clear indication that sun protection is essential during these hours. From this pinnacle, the UV Index begins its descent, tapering off to a 9 at 15:00 and finally dwindling to 1 by the evening hours of 18:00 and 19:00. With this data in mind, it's crucial to enjoy the outdoors safely, particularly between 11:00 and 14:00, when the sun's rays are at their most intense.
| 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 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal changes, peaking during the summer months. From January to February, the UV Index ranges from 6 to 7, indicating a high risk of harm from unprotected sun exposure with a burn time of 25 minutes. As spring arrives in March, the index rises to 9 (very high) with a reduced burn time of 15 minutes, escalating to extreme levels (12) in April through June, where the burn time drops to just 10 minutes. July sees the peak UV Index of 13, before slightly declining to 12 in August. As we transition to fall, September and October remain very high with indexes of 10 and 9 respectively and a burn time of 15 minutes. By November, the levels decrease to 7 (high) and 5 (moderate) in December, extending burn times to 25 and 30 minutes. It’s essential for visitors and residents to stay vigilant, particularly from March to October, using sunscreen, seeking shade, and wearing protective clothing during peak UV hours to mitigate the risk of skin damage.
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 |
| Shixi | 6 | 7 | 9 | 12 | 12 | 12 | 13 | 12 | 10 | 9 | 7 | 5 |
| 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 |