Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Shisandaogou, China, where the climate can lead to varying levels of ultraviolet exposure. With peak UV levels reaching a striking 11 during midday, being aware of these levels helps in preventing sunburn and promoting overall skin health. As this region experiences a Dwb climate, characterized by hot summers and cold winters, the risk of harmful sun exposure increases during the warmer months. Thus, knowing the UV Index not only empowers you to take protective measures but also ensures you enjoy the sun safely while maintaining healthy skin.
The UV Index throughout the day showcases a striking pattern of intensity, peaking at 11 between 11:00 and 12:00. Early risers will find the UV levels relatively mild, starting at 3 at 07:00, and gradually escalating to a notable 10 by 10:00. As the sun reaches its zenith, the index hits its highest point, signaling a need for sun protection. Come the afternoon, there's a gentle decline, with values dipping to 7 at 14:00, and continuing to fall to 5 by 15:00. As the day wanes, the UV intensity softens significantly, with the index decreasing to 1 by 17:00, and finally reaching 0 at 19:00, marking a safe time for outdoor activities without the risk of sunburn. Stay aware and protect yourself during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, peaking during the summer months. From January to February, UV exposure is moderate, with burn times of about 30 minutes. As spring arrives in March, the UV Index escalates to 7, signaling high-risk exposure that demands caution. This trend continues through April and May, where the values reach 8 and 9, and burn time is reduced to just 15 minutes. The extreme UV levels of June to August suggest that individuals should limit their time outdoors or take protective measures, with a mere 10-minute burn time during these critical months. The UV Index drops slightly to 8 in September and then declines further through October with a high risk level of 6, before returning to moderate levels in November and December, where burn times are lengthened to 30 and 45 minutes, respectively. **Visitors and residents are advised to remain vigilant, particularly from March to September, using sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure during the months with the highest risk.
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 |
| Shisandaogou | 3 | 4 | 7 | 8 | 9 | 11 | 11 | 11 | 8 | 6 | 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 |