Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Silun, China, as it plays a vital role in safeguarding skin health and preventing sunburn. With its Cwa climate, characterized by warm summers and distinct wet seasons, Silun experiences significant UV exposure, especially during the midday hours when the index can soar to as high as 14. Being aware of these UV levels empowers you to take the necessary precautions—such as applying sunscreen or wearing protective clothing—ensuring safe outdoor activities and promoting long-term skin health. Stay informed to enjoy the sunshine while protecting your skin!
The UV Index data reveals a dynamic shift in solar intensity throughout the day. Starting at a mild level of 1 at 7:00 AM, the index gradually climbs, hitting 2 by 8:00 AM. But as the sun rises higher, UV levels surge, reaching a peak of 14 by 1:00 PM—indicative of intense solar exposure. This high point persists until 2:00 PM before gradually declining, with the index dropping to 5 by 4:00 PM and further to 1 by 7:00 PM. For those planning outdoor activities, it’s crucial to maximize sun safety during the midday hours, particularly from 11:00 AM to 1:00 PM, when UV levels are at their most hazardous.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | 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 experiences notable fluctuations, with high-risk months primarily occurring from February through October. The peak UV Index values are recorded during July at 14 and June with 13, both categorized as extreme, meaning the burn time is as low as 10 minutes. Conversely, the months of January and December see a significantly lower UV Index of 7, categorized as high, allowing for a burn time of 25 minutes. To ensure safety, visitors and residents should take precautionary measures during the spring and summer months, especially in March through September, when exposure levels are at their highest. It is advisable to wear sunscreen, protective clothing, and seek shade during peak sun hours to mitigate risks associated with sun exposure.
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 |
Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
Silun | 7 | 10 | 12 | 12 | 13 | 13 | 14 | 13 | 11 | 11 | 9 | 7 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |