Last updated: June 2, 2025
Staying aware of the UV Index is crucial for residents and visitors of Sandaohezi, China, where the climate is classified as Dwb, characterized by distinct seasonal variations. Understanding UV levels plays a vital role in preventing sunburn and safeguarding long-term skin health, especially during peak hours when the index skyrockets—reaching a high of 9 around noon. With typical exposure risks peaking between 10:00 AM and 2:00 PM, it’s essential for everyone to take protective measures during these hours to enjoy the beautiful outdoors safely. Embrace the sun wisely and ensure you’re equipped with the knowledge to protect your skin in Sandaohezi!
Throughout the day, the UV Index begins its ascent at 07:00 with a moderate reading of 3, but by 10:00, it peaks at an impressive 9, signaling that sun protection is crucial. The intensity remains high from 11:00 to 12:00, sustaining another peak of 9 before slowly declining throughout the afternoon. By 14:00, the index drops to 6, transitioning to a gentler level as it moves toward the evening. As the sun sets, the index dwindles to 1 by 17:00 and reaches a comfortable 0 by 19:00. It’s a dynamic day of sun exposure, making the mid-morning to early afternoon the perfect time to stay vigilant about UV protection!
| 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 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | 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 |
The UV Index exhibits pronounced seasonal changes, with high-risk months occurring from April to August. During this period, the UV Index peaks at 10 in July and remains very high, emphasizing the need for increased sun protection. Visitors and residents should be particularly cautious during May through August, where the burn time drops to as little as 15 minutes in peak conditions. Early months like January and December have a low UV Index, offering safer outdoor options, while September marks a slight decrease, emerging from the high-risk zone. It is advisable for everyone to take appropriate precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak hours, especially from late spring to summer.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sandaohezi | 2 | 3 | 5 | 7 | 8 | 9 | 10 | 9 | 7 | 4 | 3 | 2 |
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 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 |