Last updated: June 2, 2025
In Hongjia, China, understanding the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. The UV Index provides a clear indication of potential sun exposure, helping residents and visitors alike to take necessary precautions against sunburn and long-term skin damage. With a humid subtropical climate (Cfa), Hongjia experiences high UV levels, especially during midday hours, where readings can peak at 12—a level that signifies very high risk. By being informed about daily UV levels, you can enjoy the beautiful outdoors while maintaining your skin health.
As the sun rises, the UV Index begins its steady ascent, starting at a mild 2 at 7:00 AM. By 9:00 AM, it reaches a notable 7, signaling the need for sun protection. The peak occurs at 11:00 AM and 12:00 PM, where it hits a maximum of 12, indicating dangerously high levels of UV radiation. After this midday zenith, the index gradually declines, dropping to 6 by 3:00 PM and further to 1 by 5:00 PM, ultimately reaching 0 at sunset. This hourly progression emphasizes the importance of vigilance against UV exposure, particularly during the late morning to early afternoon when the risk is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
As the seasons change, UV exposure fluctuates significantly, with the highest risk occurring from March to September. During this period, the UV Index peaks in July and August at a staggering 13, categorizing these months as extremely high risk with only 10 minutes of safe exposure before sunburn occurs. In contrast, the burn time increases to 25 minutes in January, February, and November, when the UV Index is lower at 6 and 7. It’s essential for visitors and residents to take precautionary measures during the high-risk months by wearing protective clothing, applying sunscreen regularly, and seeking shade, particularly around midday when UV rays are at their strongest. As the season shifts towards October and December, caution remains advisable, though UV levels moderate and burn times increase, highlighting the importance of seasonal awareness in sun safety.
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 |
Hongjia | 6 | 7 | 10 | 11 | 12 | 12 | 13 | 13 | 11 | 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 |