Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Shajiang, China, where the sun can shine intensely throughout the year in a Cfa climate. Awareness of UV levels is vital for preventing sunburn and promoting skin health, particularly during peak hours when the UV Index can reach as high as 13. This signifies an increased risk of harm from unprotected skin exposure, making it essential for locals to plan outdoor activities accordingly. With a typical daily pattern showing substantial UV intensity from morning until early afternoon, knowing how to protect yourself is the key to enjoying the sun safely in Shajiang.
The UV Index today displays a dynamic pattern, peaking at a striking 13 around 12:00 PM, signaling the strongest sun exposure of the day. Early risers will enjoy a low UV of just 2 at 7:00 AM, but as the sun ascends, the index climbs sharply, reaching 10 by 10:00 AM and hitting 12 at 11:00 AM. As the afternoon unfolds, it gradually dips to 9 at 2:00 PM and then decreases further to 6 by 3:00 PM. By the evening, the UV Index drops significantly, plummeting to 1 at both 4:00 PM and 5:00 PM, and falling to 0 by 7:00 PM. Stay safe and protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, peaking during the summer months. From January to March, UV levels gradually increase, with February and March categorized as very high, indicating a burn time of just 15 minutes. The UV Index reaches its highest point in April through September, with values peaking at 13 in June and 12 in July and August, all in the extreme category, where even brief sun exposure can lead to burns in just 10 minutes. As fall approaches, numbers begin to decline, but October and November still present very high risk levels, with burn times of 15 minutes. December and January offer a reprieve with high UV levels (10–6), allowing for 25 minutes of exposure. Visitors and residents should take precautions, particularly from April through September, ensuring proper sun protection including sunscreen, clothing, and shade, especially during the peak hours around midday.
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 |
| 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 |
| Shajiang | 6 | 8 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 9 | 8 | 6 |
| 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 |