Last updated: August 1, 2025
Understanding the UV Index in Wu'erqihan, China is crucial for protecting your skin and overall health. With the region's Dwc climate, which features cool, wet winters and temperate summers, residents and visitors alike face specific UV exposure risks, especially during peak sunlight hours. Awareness of UV levels can prevent painful sunburns and long-term skin damage, as the daily maximum UV Index reaches 9 around midday. By keeping an eye on these levels, you can enjoy the outdoors safely while safeguarding your skin from the harmful effects of UV radiation.
As the sun rises, the UV Index begins to climb, reaching a maximum of 9 between 11:00 AM and 1:00 PM—the peak time for sun exposure. Starting at a modest 2 at 7:00 AM, the index steadily ascends to 4 by 8:00 AM, hitting 6 by 9:00 AM. The day's intensity culminates at noon, remaining at that level until 1:00 PM before gradually tapering off. By 3:00 PM, it drops to 5, and after that, it continues to decline, reaching a low of 1 by 6:00 PM. For those planning outdoor activities, it’s essential to take precautions during the midday peak to protect your skin from harmful UV rays!
| 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 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index displays distinct seasonal changes, with the highest risks occurring during the summer months. June through August are particularly hazardous, with UV Index values reaching 8 to 9, categorizing exposure as very high and resulting in a significantly reduced burn time of just 15 minutes. Conversely, the winter months of January, November, and December exhibit low UV Index levels of 1 to 2, allowing a safer exposure time of 45 minutes. Visitors and residents should remain vigilant during April through September, when the UV Index commonly ranges from 5 to 7, indicating moderate to high exposure risks. It's advisable to wear sunscreen, hats, and protective clothing during peak sun hours, especially from 10 a.m. to 4 p.m. to minimize the risk of UV-related skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wu'erqihan | 1 | 3 | 5 | 6 | 7 | 8 | 9 | 8 | 6 | 4 | 2 | 1 |
| 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 |