Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Chengguan, China, where understanding UV levels can significantly impact sunburn prevention and overall skin health. The region's Cfa climate brings warm summers and a notable amount of sunshine, leading to increased UV exposure risks, especially during peak hours. With UV Index values soaring to a maximum of 11 around midday, it's essential to be aware of when the sun's rays are most intense, enabling you to take proactive measures to protect your skin. Stay informed and enjoy the sun safely!
As the sun rises, the UV Index begins at a gentle 1 at 7:00 AM, but it quickly escalates as the day progresses. By 10:00 AM, the index reaches 7, signaling a significant increase in UV radiation. The peak occurs at 12:00 PM and 1:00 PM, when it hits a striking 11, indicating very high risk of harm from unprotected sun exposure. As the afternoon unfolds, the index gradually declines, settling at 8 by 3:00 PM, then tapering off to 1 again by 7:00 PM. It's clear that midday is the time for caution—make sure to protect your skin during those 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 | 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 demonstrates significant seasonal fluctuations, with high-risk months occurring primarily from March to September. During these months, the UV Index peaks at 12 in July, classifying it as extreme, which means that burn times are as short as 10 minutes. Visitors and residents should exercise vigilance, particularly between April and August, when exposure is notably harmful. Even January and February present high risks with an index of 6, allowing for a burn time of 25 minutes. Once the cooler months set in, the index drops to 4 in December, falling into the moderate category with a safer 30-minute burn time. It is crucial for everyone to apply sunscreen regularly, seek shade, and wear protective clothing during high UV periods to prevent 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 |
Chengguan | 6 | 6 | 10 | 10 | 11 | 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 |