Last updated: July 2, 2025
Understanding the UV Index in Shimen, China is crucial for maintaining skin health and preventing sunburn. With the region's Cwb climate, residents and visitors alike can experience significant fluctuations in UV levels, particularly during the peak sunlight hours. As shown in our data, the UV Index frequently reaches extreme levels, peaking at 16 around 1 PM. By staying informed about daily UV exposure risks, you can take proactive steps to safeguard your skin and enjoy the beautiful outdoors while minimizing health risks.
The UV Index begins the day at a low 1 at 07:00 and 08:00, making it a safe time for outdoor activities. However, as the sun rises, intensity escalates quickly, reaching 3 by 09:00. The sun’s strength peaks dramatically at 14:00, with a high of 16, reminding us to seek shade and cover up. As the afternoon progresses, values gradually decline, dipping to 5 by 17:00 and returning to 1 by 19:00. This hourly UV data serves as a vital reminder to stay sun-safe during the sun's peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 14 | extreme | 10 min |
13:00 | 16 | extreme | 10 min |
14:00 | 15 | extreme | 10 min |
15:00 | 13 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest levels occurring from March to October. During these months, specifically March through August, the UV Index reaches extreme levels, peaking at 16 in July, which corresponds to a burn time of just 10 minutes. Residents and visitors should be particularly cautious in these high-risk months, taking protective measures such as wearing sunscreen, hats, and UV-protective clothing when outdoors. January and February also exhibit very high UV levels, indicating that sun protection is essential even in winter. November sees a slight decrease but remains very high, while December offers a respite with a high exposure category and a longer burn time of 25 minutes. It is crucial for everyone to remain vigilant against UV exposure year-round, adjusting their sun safety practices according to these seasonal shifts.
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 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |
Shimen | 8 | 9 | 11 | 13 | 14 | 15 | 16 | 15 | 14 | 12 | 9 | 7 |