Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Shizhi, China, where sun exposure can pose significant health risks. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health, particularly during the peak hours when the UV index soars to dangerous levels of 10 to 11 around midday. With a Cwa climate, Shizhi experiences a mix of warm summers and seasonal variations, which can amplify UV exposure risks. Stay informed and safeguard your skin by keeping an eye on UV levels, ensuring a healthy balance between enjoying the sun and protecting your wellbeing.
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 |
Throughout the year, the UV Index experiences significant fluctuations, marking March through August as high-risk months for sun exposure. The UV Index peaks at 12 in July and August, indicating extreme exposure conditions with a burn time of just 10 minutes. Transitioning from winter to spring, the Index climbs sharply from moderate levels in January (5) to very high levels by March (8) and April (10), before reaching its highest in the summer months. As winter arrives, the Index drops back to moderate (4) in December, suggesting a reprieve from harmful UV rays. Visitors and residents are advised to take precautionary measures during high UV months, such as wearing protective clothing, using sunscreen, and seeking shade, especially during peak sunlight hours to safeguard against 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 |
Shizhi | 5 | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 10 | 9 | 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 |