Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Wanqiao Zhen, China, where the unique Cwb climate brings varying levels of sun exposure throughout the day. As the sun rises, so do the risks associated with UV radiation, peaking at a staggering 15 between 1 PM and 2 PM. This knowledge not only aids in sunburn prevention but also plays a vital role in maintaining long-term skin health. Given Wanqiao Zhen's typical climate conditions, being aware of the UV Index empowers individuals to take necessary precautions and enjoy the outdoors safely.
At 07:00, the UV Index begins its day at a low 1, making it a safe time for early risers. As the sun climbs higher, it rises steadily, hitting 3 by 09:00. The real intensity bursts forth around 10:00 with a sharp leap to 7, and by 11:00, we reach a striking 11, signaling it's time to seek shade. The peak intensity occurs at 12:00, with the UV Index soaring to an impressive 14, followed closely by a slight dip to 15 at 13:00. The afternoon maintains this high level, remaining at 14 until 14:00 before gradually decreasing. By 15:00, the UV Index drops to 11, followed by a gentle decline to 4 by 17:00. As the sun sets, the index falls to 2 at 18:00 and returns to a safe 1 by 19:00, marking the end of a day with potent solar energy that calls for caution during its peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index displays significant seasonal changes, peaking during spring and summer months. From March through October, the UV Index reaches extreme levels, particularly in May through August, where it consistently remains at 15. The highest risk months are March to August, with a notably brief burn time of just 10 minutes in this period. Conversely, January and February also pose risks with very high UV Index values of 8 and 9, allowing for slightly longer burn times of 15 minutes. As such, it is essential for visitors and residents to take precautions during these peak months, including seeking shade, wearing protective clothing, and applying sunscreen to reduce the risk of skin damage. In contrast, November and December offer some respite with lower indices, yet caution is still advised, especially in November with a UV index of 9.
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 |
| 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 |
| Wanqiao Zhen | 8 | 9 | 12 | 13 | 15 | 14 | 15 | 15 | 14 | 12 | 9 | 7 |