Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Shiji, China, where the sun's rays can be intense, particularly during the peak hours of the day. With maximum UV levels reaching 10 around noon, it's essential to monitor these changes to prevent sunburn and safeguard your skin health. The region's Cwa climate brings warm summers, increasing the risk of UV exposure, especially as the index climbs to levels indicative of high potential for harm. By staying informed about the UV Index, you can enjoy the sun responsibly and protect your skin from its damaging effects.
As the sun rises, the UV Index starts off mild, peaking at 2 by 7:00 AM. By 8:00 AM, it climbs to 3, but the real intensity kicks in as the day progresses. At 9:00 AM, the index hits 6, and by 10:00 AM, it soars to a striking 8. The midday sun takes center stage at 11:00 AM and 12:00 PM, both registering a maximum of 10, indicating significant UV exposure. As the afternoon rolls in, the UV levels begin to decline—slipping to 9 at 1:00 PM, dropping to 7 by 2:00 PM, and further decreasing to 5 by 3:00 PM. A gentle descent continues until evening, as the index settles at 1 from 4:00 PM until 7:00 PM. This gradual ebbing reminds us to take proper precautions during peak hours, especially around midday!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | 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 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with March marking the transition to high-risk levels as it escalates to 7, reducing burn time to 25 minutes. The high-risk months of April through September, where the UV Index peaks at 10, present extremely high exposure risks and a critical burn time of just 15 minutes. Visitors and residents should take particular care during this period, ensuring they wear proper sun protection such as sunscreen, hats, and UV-blocking clothing, and seek shade whenever possible. As we move into October and November, the UV levels decrease, returning to a moderate exposure category, allowing for safer outdoor activities. Always remain vigilant about sun safety, especially during the peak 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 |
| Shiji | 3 | 5 | 7 | 9 | 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 |