Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Jiyuan, China, where the climate typically features hot summers and temperate winters. With UV levels peaking between 10 AM and 2 PM, awareness of these values is essential for preventing sunburn and protecting skin health. High UV exposure, particularly during the peak index of 10 around noon, can contribute to skin damage and increase the risk of skin cancer. By monitoring the UV Index, you can enjoy outdoor activities while safeguarding your skin from harmful rays, making awareness a vital part of your daily routine in Jiyuan.
As the sun rises, the UV Index begins to escalate, peaking dramatically around midday. At 07:00, it's a modest 1, but by 08:00, it climbs to 3, signaling the start of a brighter day. The sun's intensity continues to rise swiftly, hitting 5 by 09:00 and reaching a scorching 10 between 12:00 and 13:00—a crucial time for sun safety awareness. As the afternoon wears on, the index begins to dip, dropping to 9 at 14:00 and gradually falling to 6, 4, and eventually down to 2 by 17:00, before settling back to 1 as the sun sets at 19:00. It's a day that showcases the importance of protecting your skin during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 10 | very high | 15 min |
| 14:00 | 9 | 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, UV Index levels fluctuate significantly, peaking during the warm months. January and December see moderate UV exposure with an index of 3, allowing up to 30 minutes of sun exposure without significant risk. As spring approaches, March brings a high index of 7, reducing safe burn time to 25 minutes. The danger escalates in April and May, with indices reaching 8 and 10 respectively, where burn times drop to just 15 minutes in very high categories. June marks the start of an extreme UV Index at 11 for a perilously low 10 minutes of burn time. Although the risk slightly decreases in July and August, with indices of 10 and 9, the need for protection remains critical. September carries similar warnings, while October sees a return to high UV exposure at 7. Finally, November transitions back to moderate levels. Visitors and residents should be particularly cautious from March through September when the risk is highest, ensuring they wear appropriate sun protection and limit exposure during peak hours.
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 |
| Jiyuan | 3 | 5 | 7 | 8 | 10 | 11 | 10 | 9 | 9 | 7 | 4 | 3 |
| 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 |