Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Wuyanquan, China, where the sun’s intensity can vary dramatically throughout the day. With a climate classified as Cfa, characterized by humid subtropical conditions, the risk of overexposure to UV rays is significant, especially during peak hours. Knowing the UV levels can help you take proactive steps to prevent sunburn and safeguard your skin health. During late morning to early afternoon, when the UV Index reaches its highest—peaking at a dangerous 12—being vigilant can make all the difference in ensuring a safe and enjoyable experience under the sun. Stay informed and protect your skin!
The UV Index throughout the day showcases a stark increase as the sun rises, starting from a mild 1 at 07:00 and peaking at a striking 12 between 12:00 and 13:00. This significant surge highlights the importance of sun protection, especially during the hours when the index reaches maximal levels of 10 at 11:00 and 11 at 14:00. As the afternoon wanes, the UV Index begins to decline, dropping to 8 by 15:00 and finishing the day with a gentle return to 1 by 19:00. This data serves as a crucial reminder to prioritize sun safety during midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal changes, peaking during the summer months. From January to February, the UV Index is relatively high at 6, suggesting a burn time of 25 minutes. As spring approaches, the UV Index rises sharply, reaching 10 in April and 11 in both May and June, categorized as extreme, significantly reducing the burn time to just 10 minutes. The peak occurs in July and August, with the index hitting 12, indicating the highest risk for sunburn. September marks a slight decrease to 11, while October sees the index drop to 9. As we move into the winter months, November returns to a high category of 6 with a 25-minute burn time, and December sees a further reduction to a moderate index of 4, allowing for a safer 30-minute exposure. Given this data, it is crucial for visitors and residents to practice sun safety, especially during the high-risk months from March to September, by wearing protective clothing, using sunscreen, and seeking shade whenever possible.
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 |
| Wuyanquan | 6 | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 11 | 9 | 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 |