Last updated: July 2, 2025
In Chengguan, China, staying aware of the UV Index is crucial for skin health and sunburn prevention. With its Cwa climate characterized by hot summers, understanding UV levels helps residents and visitors alike to protect themselves from harmful sun exposure. During peak times—especially around 11:00 AM to 1:00 PM when the UV Index can soar as high as 10—it's essential to take precautions. By being informed about local UV risks, you can enjoy the vibrant sunshine while safeguarding your skin.
The UV Index for the day paints an illuminating picture of sun exposure. Starting off gently at 1 by 07:00, the sun begins to rise, and so does the UV intensity, reaching 3 by 08:00. As the day progresses, the UV levels soar, hitting a peak of 10 between 11:00 and 13:00, signaling an optimal time for sun protection. A gradual decline follows, with UV values dropping to 9 at 14:00 and then tapering off to 4 by 16:00. The latter part of the day sees a return to more manageable levels, ending the day with a 1 by 19:00. Whether you're planning outdoor activities or simply enjoying the sun, these changing UV Index readings highlight the importance of vigilance against UV exposure during 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 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with the highest levels typically observed during the summer months. From March to August, the UV Index rises sharply, peaking at 10 in June and July, indicating a very high exposure category and a reduced burn time of only 15 minutes. The high-risk months for sun exposure are therefore April through September, when residents and visitors should exercise caution—seeking shade, wearing protective clothing, and applying sunscreen. Conversely, the winter months of December and January see a lower UV Index of 3, categorized as moderate, allowing for longer exposure times of 30 minutes without immediate risk. It is essential for everyone to stay informed about the UV levels and adapt outdoor activities accordingly to ensure safety year-round.
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 |
Chengguan | 3 | 5 | 7 | 9 | 9 | 10 | 10 | 9 | 9 | 7 | 4 | 3 |
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 |
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 |