Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Zishi, China, where the subtropical Cfa climate brings warm summers and significant sun exposure. Knowing the UV levels throughout the day can help prevent sunburn and protect your skin health, allowing you to enjoy the outdoors safely. With midday readings peaking at a high of 12, the potential for harm increases dramatically, especially during the summer months. Keep yourself informed and take necessary precautions to embrace the sunshine while safeguarding your skin!
As the day unfolds, the UV Index climbs steadily, starting from a gentle 1 at 07:00. By 08:00, it reaches a moderate 3, signaling the first hints of sun exposure. The intensity increases sharply, hitting 5 by 09:00 and peaking at a robust 12 during the midday hours of 12:00 and 13:00. This is a crucial time for sun protection! As the afternoon wears on, the index gradually declines, dropping to 10 at 14:00 and tapering off to 7 by 15:00. By the evening, the level returns to a more manageable 1 by 18:00, marking the end of the intense UV exposure for the day. Stay vigilant and protect your skin during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, peaking during the summer months of June, July, and August, where it reaches an extreme level of 11 to 12, necessitating a burn time of only 10 minutes. March through October are particularly high-risk months, with the UV Index remaining at 8 or above, indicating very high to extreme exposure. Visitors and residents are advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In contrast, the UV Index is moderate in January and December, with burn times of 30 minutes, while February and November present high risk but allow for slightly longer exposure times of 25 minutes. Staying informed about these seasonal UV changes is crucial for safety and skin health.
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 |
Zishi | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 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 |