Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Shantaizi, China, as it serves as a vital indicator of sun exposure risk throughout the day. With peak UV levels reaching 11 during midday hours, awareness of these fluctuations can significantly aid in preventing sunburn and promoting overall skin health. Shantaizi's semi-arid climate (BSk) typically brings intense sunlight and higher UV radiation, especially during the summer months, making it essential for individuals to take proper precautions. Committing to UV safety means not only safeguarding your skin but also enjoying the beautiful days in Shantaizi without worry.
The UV Index data paints a vivid picture of a day under the sun, starting with a gentle maximum of 1 at 7 AM. As the morning progresses, the index gradually climbs, reaching 3 by 8 AM and hitting 5 by 9 AM. However, the real intensity arrives around 10 AM, when the UV Index peaks at a striking 11—a clear signal to seek shade and protect your skin. It remains at this maximum level until 1 PM, heralding the highest potential for sunburn and skin damage. As the afternoon unfolds, the index begins to taper off, dropping to 9 at 2 PM, then further declining to 5 by 4 PM. By evening, the intensity wanes, returning to a mild 1 by 6 PM and staying low through the rest of the night. Enjoy the sunshine, but remember to stay safe during those 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant variation, with the highest risk typically occurring from April to September. April sees a spike to 9 (very high), while May reaches an extreme 10. The intense UV exposure peaks in June and July at 11 (extreme), necessitating precautions to prevent skin damage; under such high levels, the burn time is reduced to just 10 minutes. As summer transitions into early fall, the index remains high, with August at 10 and September dropping slightly to 8 (very high). Advisory for visitors and residents: during peak months, particularly June, July, and August, ensure to seek shade, wear protective clothing, and apply a high SPF sunscreen regularly to mitigate the risks associated with UV exposure. The UV Index then gradually decreases through the fall and winter months, reaching a safer level of 2 in December.
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 |
| Shantaizi | 3 | 4 | 6 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 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 |