Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sicheng, China, where the climate is characterized by distinct seasonal variations and ample sunshine. With the UV Index peaking at a strong 10 around noon, awareness of these levels becomes essential for preventing sunburn and safeguarding skin health. As the sun's rays can cause harm even on seemingly mild days, recognizing the significance of UV exposure can help you take proactive measures, especially during the hottest hours. Stay informed and protect your skin in Sicheng's vibrant climate!
Throughout the day, the UV Index fluctuated, peaking sharply at 12:00 PM with a maximum value of 10, signaling the most intense sun exposure during midday. As the sun rose, 07:00 AM recorded a mild index of 2, gradually escalating to a moderate 5 by 09:00 AM. The intensity surged to a notable 8 at 10:00 AM, before reaching its zenith at 11:00 AM with 9. Following the peak hour, the index began its descent, dropping to 9 at 1:00 PM and then gradually declining to 7 at 2:00 PM. By late afternoon, the level continued to diminish, landing at 5 by 3:00 PM, and winding down to 2 by 5:00 PM. As evening approached, the UV exposure significantly lessened, tapering off to a mere 1 by 7:00 PM. This data highlights the importance of sun protection during peak hours, particularly between 10:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variations, with notable increases in risk from March through October. The high-risk months are April to September, during which the UV Index reaches its peak at 10 or 8, corresponding to a very high exposure category, and the burn time reduces to just 15 minutes. Residents and visitors should be especially vigilant during this interval, employing protective measures such as wearing sunscreen, hats, and sunglasses when outdoors. From January to March and again in November to December, the UV Index is lower, classified as moderate, allowing for a safer sun exposure duration of 30 minutes. Overall, it is essential to remain aware of UV levels and take appropriate precautions, particularly during the intense summer months.
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 |
| Sicheng | 4 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 9 | 8 | 5 | 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 |