Last updated: June 2, 2025
In Sandaogou, China, staying informed about the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels can significantly aid in sunburn prevention and maintain long-term skin health, especially during the peak hours when the sun's rays are most intense. Nestled in a BWk climate zone, Sandaogou experiences high UV exposures, particularly between 11 AM and 2 PM, when indexes can soar to 11. By monitoring the UV Index, residents and visitors can take informed precautions to enjoy the outdoors safely while safeguarding their skin.
The UV Index throughout the day presents a striking pattern that underscores the importance of sun protection. Starting from a modest 1 at 07:00, the index gradually climbs, reaching 2 by 08:00. A noticeable rise occurs as the day progresses, peaking at a blistering 11 between 13:00 and 14:00—the critical hours when UV exposure is at its highest. After this zenith, the index gracefully tapers down, showcasing 10 at 15:00, followed by a decline to 5 by 17:00. As evening approaches, values drop dramatically to 3 by 18:00, and finally, the day concludes with a safe 1 at 19:00. This data clearly highlights the importance of taking precautions during peak hours to safeguard against harmful UV rays.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the year progresses, the UV Index experiences notable seasonal fluctuations, with high-risk months occurring from March to August. During this period, the UV Index reaches its peak at 11, categorized as extreme, in May, June, and July, where the recommended burn time is only 10 minutes. Visitors and residents should take special precautions during these months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak sunlight hours. For months like April and August, with a very high UV Index of 9 and 10 respectively, a burn time of 15 minutes warrants attentive sun safety practices. Conversely, from January to February and November to December, the UV Index drops to a moderate level (3 to 4), allowing for longer exposure times without significant risk. Remaining vigilant and adjusting protection measures according to the UV Index can help ensure safety throughout the year.
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 |
| Sandaogou | 3 | 4 | 7 | 9 | 11 | 11 | 11 | 10 | 8 | 6 | 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 |