Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Hejing, China, where the climate can amplify sun exposure risks. With UV levels frequently peaking in the afternoon, it’s essential to be aware of these fluctuations to effectively prevent sunburn and maintain skin health. Hejing, classified under the BWk climate zone, experiences intense sunlight, especially during the warmer months, making UV Index awareness vital for outdoor activities. By keeping an eye on the UV Index, you can protect yourself from harmful effects while enjoying the beautiful outdoor scenery this region has to offer.
As the sun rises and warms the day, the UV Index reaches its peak around noon, making 12:00 PM the most intense hour at a staggering 10. The morning begins with a gentle rise, starting at 2 by 7:00 AM and climbing steadily to 3 at 8:00 AM. By 9:00 AM, the value reaches 5, signaling the increasing strength of the sunlight. The intensity escalates to 8 by 10:00 AM and hits a high of 9 by 11:00 AM, encouraging sun lovers to embrace the outdoors cautiously. However, as the afternoon progresses, the UV Index begins to decline, dropping to 8 at 2:00 PM, 6 by 3:00 PM, and gradually tapering off to 2 by 5:00 PM. As the sun sets, the UV Index settles at a comfortable 1 for the evening hours, reminding us to enjoy the warmth while being mindful of the sun's strength during the day.
| 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 | 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 | 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 |
As the seasons change, UV levels experience significant fluctuations. The high-risk months are typically from April to August, where the UV Index peaks at 11 during May and June, indicating extreme exposure and a short burn time of just 10 minutes. Even in July and August, with a UV Index of 10, the risk remains very high, necessitating vigilance. Visitors and residents should prioritize sun safety by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen during these months. In contrast, the months of January, December, and November present lower UV levels (2 to 3), allowing for safer sun exposure with extended burn times. It is essential to remain informed throughout the year to effectively manage UV exposure and protect skin health.
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 |
| Hejing | 2 | 4 | 7 | 8 | 11 | 11 | 10 | 10 | 8 | 5 | 3 | 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 |