Last updated: May 3, 2025
In Zhangjiakou, China, awareness of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding the daily UV levels is essential not only for preventing painful sunburns but also for maintaining long-term skin health. With a climate that features cold winters and mild summers, residents and visitors alike should be particularly vigilant during the daytime hours, especially when UV levels peak around midday. During peak hours, the UV Index can reach as high as 10, indicating a very high risk of harm from unprotected sun exposure. Stay informed and protect yourself to enjoy everything Zhangjiakou's beautiful outdoors have to offer!
The UV Index fluctuated throughout the day, peaking at an intense 10 at 12:00 PM, making it crucial for sun protection during midday hours. The morning began with a gentle start at 2 by 7:00 AM, climbing steadily to 9 by 11:00 AM. As the sun reached its zenith, the index soared, presenting a significant risk for those outdoors without protection. After the midday high, the UV levels gradually decreased, dropping back to 6 by 3:00 PM and further down to 1 by 6:00 PM. This data underscores the importance of planning outdoor activities to align with safer UV levels while enjoying the sunshine!
| 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 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 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 |
| Zhangjiakou | 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 |