Last updated: June 2, 2025
In Zhangjiachang, China, staying informed about the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels is critical, especially during peak hours when values soar to 10 at noon—heightening the risk of sunburn and long-term skin damage. With a Dwb climate characterized by warm summers and cold winters, residents and visitors alike should be aware of the potential for strong UV exposure, particularly from 10 AM to 2 PM when ultraviolet rays are most intense. By tracking the UV Index, you can enjoy outdoor activities while taking vital steps to protect your skin.
During the day, the UV Index demonstrates a compelling pattern. Starting from a gentle 1 at 7:00 AM, it gradually ascends, peaking at an intense 10 between 12:00 PM and 1:00 PM—the ideal cue for sun protection. As the afternoon progresses, the index begins to lower, descending to 7 by 3:00 PM, and further tapering off to 1 by 7:00 PM. This data highlights the importance of being sun-smart during the midday hours, when UV exposure is highest, ensuring you stay protected while enjoying the sunshine!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, indicating varying levels of sun exposure risk. January and December show low UV levels (2), with burn times of up to 45 minutes. The risk climbs in February (UV Index 4) and November (UV Index 4), categorized as moderate, with burn times of 30 minutes. The month of March marks a transition to high risk (UV Index 6), which persists into October. From April to September, the UV Index reaches very high levels (9-10), peaking in July at an extreme level (UV Index 11) with a burn time of just 10 minutes. Residents and visitors should be especially cautious during these high-risk months, particularly from April to August, when sun protection measures such as sunscreen, protective clothing, and shade are essential to minimize the risk of sunburn and long-term skin damage.
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 |
Zhangjiachang | 2 | 4 | 6 | 9 | 10 | 10 | 11 | 10 | 8 | 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 |