Last updated: June 2, 2025
Understanding the UV Index in Jiyuan, China is crucial for maintaining skin health and preventing sunburns, especially in a region characterized by a Cwa climate that presents varied exposure risks throughout the day. With peak UV levels reaching an intense 11 around noon, being aware of these fluctuations can empower residents and visitors alike to adopt proactive sun safety measures. By educating yourself about UV levels, you can protect your skin and enjoy the outdoors without compromising your health. Stay informed and make the most of Jiyuan's sunny days!
The UV Index throughout the day demonstrates a significant rise as the sun reaches its zenith. Starting from a mild 1 at 07:00, the intensity escalates rapidly, hitting 3 by 08:00 and climbing to a peak of 11 at 12:00—the moment when sun protection is imperative. As the afternoon progresses, the index gradually declines, showing values of 10 at 13:00, 9 at 14:00, and 7 at 15:00. By 16:00, it drops to 4, and by the evening, the UV exposure wanes, returning to 1 by 18:00 and 19:00. This pattern underscores the importance of vigilance during midday hours when UV radiation poses the highest risk. Remember to stay shaded and apply sunscreen generously!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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 |