Last updated: August 1, 2025
In Yantongshan, China, understanding the UV Index is crucial for safeguarding your skin against harmful UV radiation. With peak index readings reaching 10 around midday, residents and visitors alike should be vigilant to prevent sunburn and promote long-term skin health. Given Yantongshan's Dwb climate zone, characterized by warm summers and cold winters, the potential for high UV exposure, especially during the sunny months, increases significantly. Being aware of UV levels can help you enjoy the outdoors safely while protecting against skin damage.
The UV Index (UVI) throughout the day exhibits a significant rise, peaking at 10 between 11:00 AM and 12:00 PM. Starting from a mild 3 at 7:00 AM, the UVI escalates as the sun climbs, reaching 5 by 8:00 AM and 7 by 9:00 AM. The intensity continues to increase dramatically, hitting 9 by 10:00 AM. After noon, the UVI begins to decline, dropping to 9 at 1:00 PM and further to 7 by 2:00 PM. The afternoon sees a gentle decline to 5 at 3:00 PM, slipping further to 3 by 4:00 PM. As dusk approaches, the UVI stabilizes at a low 1 from 5:00 PM to 7:00 PM, indicating minimal sun exposure risk. Outdoor enthusiasts should plan activities with peak hours in mind to ensure safety and enjoyment under the sun.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | 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 | 9 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 6 | high | 25 min |
15:00 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV exposure in the region displays notable seasonal variability. The high-risk months for UV exposure are May through August, with the UV Index peaking at 10 in July, indicating very high risk of harm from unprotected sun exposure, where the burn time is only 15 minutes. March and April also see a significant rise in UV levels, categorized as high, with burn times dropping to 25 minutes. Conversely, the winter months of January, February, and December present low to moderate UV exposure, allowing for safer outdoor activities with burn times extending up to 45 minutes. Visitors and residents are advised to take appropriate sun safety measures, especially during the peak months, such as wearing sunscreen, protective clothing, and seeking shade to minimize skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Yantongshan | 2 | 3 | 6 | 7 | 8 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |
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 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |