Last updated: June 2, 2025
In Huikou, China, understanding the UV Index is essential for safeguarding your skin and overall health. With UV levels peaking at a hazardous 12 during midday, awareness of sunlight exposure can help prevent painful sunburns and long-term skin damage. Given Huikou's Cfa climate, characterized by humid summers, residents and visitors alike face significant UV risks, especially during the sun's most intense hours. Staying informed about the UV Index empowers you to enjoy the beautiful sunshine safely while protecting your skin's integrity.
Starting off the day at 7:00 AM with a UV Index of 2, the sun gradually gains strength. By 8:00 AM, it rises to 3, and the intensity sharply escalates to 6 by 9:00 AM. The peak arrives at 12:00 PM, where a UV Index of 12 signifies a high-risk level—perfect for those seeking a sunny afternoon. As the day progresses, the index dips to 11 at 1:00 PM but begins to decline to 9 by 2:00 PM and drops further to 4 at 4:00 PM. As the sun sets, the UV Index winds down, reaching 2 by 5:00 PM and slipping to 1 by 6:00 PM, signaling a safe time for outdoor evening activities. Be sure to protect yourself during the peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | 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, peaking during the summer months. High-risk months include May through August, where the UV Index consistently reaches extreme levels of 11 or 12 and the burn time is as brief as 10 minutes. As such, residents and visitors should take precautionary measures during these peak months, such as seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, the UV Index lowers during the fall and winter months, with January and November presenting high levels but more extended burn times of up to 25 minutes. It remains essential for everyone to stay informed about daily UV levels and adapt their sun protection habits accordingly, especially during the highest risk periods.
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 |
Huikou | 6 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 10 | 8 | 6 | 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 |