Last updated: July 2, 2025
Understanding the UV Index in Sishui, China is essential for safeguarding your skin and overall health. With its Cwa climate bringing warm summers and varied sunlight exposure, awareness of UV levels can significantly impact your daily activities. During peak hours, especially between 10 AM and 2 PM, UV Index levels can reach a high of 10, indicating a very high risk of harm from unprotected sun exposure. By understanding these levels, you can take appropriate precautions to prevent sunburn and protect skin health while enjoying the vibrant outdoors of Sishui. Stay informed and stay safe!
The UV Index reveals an enlightening story of the sun's intensity throughout the day. Starting at a mild level of 2 at 07:00, it gradually escalates, reaching a moderate 3 by 08:00. The sun finds its strength as 09:00 brings a robust 6, soon skyrocketing to a peak of 10 by noon. This midday zenith of UV radiation is a call for caution, as the index then hovers around 9 at 13:00 and 8 through 14:00, only to gracefully descend in the afternoon. By 15:00, it drops to 5, easing further to 3 by 16:00, and finally, the day winds down with gentle readings of 2 at 17:00 and 1 by 18:00 and 19:00. Protective measures during the peak hours are essential, allowing sun enthusiasts to enjoy the bright day safely!
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 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | 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 shows significant seasonal changes, with the most critical months for sun exposure being April through September. During this peak period, UV levels reach very high to extreme levels, necessitating vigilant sun protection measures. May and June stand out as particularly hazardous months, with a UV Index of 9 and 11, respectively, and minimum burn times dropping to 10 to 15 minutes. Conversely, the months of January, February, November, and December present a lower risk, categorized as moderate, with burn times averaging 30 minutes. To ensure safety, visitors and residents should take precautions such as wearing sunscreen, protective clothing, and seeking shade, especially from March through September, when exposure levels are at their highest.
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 |
Sishui | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 10 | 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 |