Last updated: June 2, 2025
In Shanhaiguan, China, understanding the UV Index is crucial for protecting your skin from harmful sun exposure. With its temperate continental Dwa climate, Shanhaiguan experiences significant UV radiation, particularly during the peak hours when the index can reach as high as 10 around noon. Being aware of UV levels is essential not only for preventing painful sunburn but also for maintaining long-term skin health. As outdoor activities become more prevalent, knowing how to safeguard yourself against the sun's rays becomes all the more important, ensuring you enjoy the beautiful landscapes of Shanhaiguan safely.
The UV Index data reveals a dynamic sun journey throughout the day. Starting with a gentle warmth at 07:00 (UV Index 2), the intensity gradually climbs to peaking at 12:00 with a maximum of 10, indicating very high UV exposure—perfect for seeking shade or slathering on sunscreen! As the afternoon wears on, the index begins to dip, dropping to 7 by 14:00 and continuing to fade into the evening with readings of 5 at 15:00, 3 at 16:00, and tapering off to 1 by 18:00 and 19:00. This data beautifully illustrates the sun's powerful influence during midday, underscoring the importance of sun protection during those peak hours.
| 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 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | 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 |