Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors to Shixi, China, where the warm climate can lead to significant sun exposure. This awareness not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health. Shixi experiences high UV levels, especially during midday when indices soar to 11, indicating intense UV radiation that can be harmful in just minutes. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting yourself from the harmful effects of the sun.
At dawn, the UV Index starts at a gentle 1 and gradually rises as the sun climbs higher in the sky. By 09:00, it reaches a moderate 4, signaling a good time to enjoy some outdoor activities while still being cautious. However, between 11:00 and 13:00, the UV Index peaks dramatically at 10 and 11, marking the hours of highest intensity when sun safety measures are crucial. As the afternoon progresses, it slowly declines to 8 at 15:00, offering a bit of relief before dropping further to 3 by 17:00. As daylight wanes, the UV Index returns to a low 1 by 19:00, making it safe to enjoy the evening outdoors without concern for UV 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 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variation, with the highest levels occurring from April to August, classified as extreme (UV Index 11-12) and corresponding to a minimal burn time of just 10 minutes. March marks the transition into very high levels (UV Index 9), where the burn time decreases to 15 minutes. High-risk months include February to October, particularly highlighting the need for caution during the summer months. Visitors and residents should take appropriate precautions, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak hours when UV exposure is at its highest. In contrast, January and December represent the lower end of the UV Index, with moderate levels (UV Index 5), where burn times extend to 30 minutes.
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 | 5 | 7 | 9 | 11 | 11 | 12 | 12 | 12 | 9 | 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 |