Last updated: May 3, 2025
Understanding the UV Index is essential for the residents of Shanhaiguan, China, especially given its varied climate characterized by distinct seasonal changes. With peak UV levels reaching as high as 8 around noon, being aware of these fluctuations can significantly aid in preventing sunburn and protecting skin health. As Shanhaiguan experiences ample sunshine, particularly in summer, recognizing the importance of UV exposure can help residents safeguard their skin while enjoying outdoor activities. Stay informed about the UV Index to ensure your skin remains healthy and safe under the sun!
From 07:00 to 08:00, the UV Index begins to rise, starting at a moderate 2 and reaching 3. As the sun climbs higher, we see a significant jump between 09:00 and 10:00, where the index surges to 5 and peaks at 7. The intensity reaches its zenith at 11:00, holding steady at a high 8 from 11:00 to 13:00. As the afternoon progresses, the UV Index gradually recedes, dropping to 6 by 14:00 and slipping further to 4 by 15:00. By 16:00, it diminishes to 2, before tapering off to a low 1 by 17:00, and remaining at that level through the evening until 19:00. It’s a day to enjoy the sunshine while being mindful of UV exposure, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | 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 | 1 | low | 45 min |
The UV Index experiences notable fluctuations throughout the year, with high-risk months identified from March to July, where the risk of harm from unprotected sun exposure significantly increases. In March, the UV Index hits 6 (high), prompting a burn time of only 25 minutes, while April and May maintain an index of 8 (very high) with a reduced burn time of just 15 minutes. The peak occurs in July, reaching an extreme index of 11, where the burn time shrinks to just 10 minutes. Following this, August remains very high at an index of 10, before gradually declining in September and October to indices of 7 and 6, respectively. Visitors and residents are strongly advised to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently, to safeguard themselves from the harmful effects of UV 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 |
| Shanhaiguan | 2 | 4 | 6 | 8 | 8 | 10 | 11 | 10 | 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 |