Last updated: June 2, 2025
In Xiaoweizhai, China, understanding the UV Index is crucial for residents and visitors alike. This metric serves as a vital tool for raising awareness about the potential dangers of sun exposure, helping to prevent sunburn and promote overall skin health. With a climate characterized as Cfa, Xiaoweizhai experiences significant UV exposure, especially around midday when the index peaks at a staggering 13. By staying informed about daily UV levels, you can enjoy the sunny days while protecting your skin from harmful rays and reducing the risk of long-term dermatological issues.
The UV Index throughout the day exhibits a dramatic rise and fall, reflecting the sun's peak intensity. Beginning at 7:00 AM with a gentle 1, it gradually climbs to 2 by 8:00 AM, then takes off, reaching a striking 10 at 11:00 AM. The zenith occurs at 12:00 PM and 1:00 PM with a remarkable 13, marking the moment when sun protection is paramount. As afternoon sets in, the index begins its descent, tapering to 9 at 3:00 PM, before gently falling to a milder 3 by 5:00 PM. By 7:00 PM, the index returns to a safe 1, making it clear that while the sun can be fierce, its effects are fleeting as the day moves on. Remember to stay protected during the high points of exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits notable seasonal changes, peaking during the summer months. From January to February, UV exposure increases from high to very high, with a significant jump in March, reaching extreme levels that persist through September. The highest risk occurs from July to August, when the UV Index hits 14. Visitors and residents should take precautions during these high-risk months, particularly when the UV Index is 11 or higher—commonly between March and September—as burn times drop to just 10 minutes. It's crucial to wear sunscreen, protective clothing, and sunglasses, and to seek shade during peak sun hours. As the year transitions to October and November, the UV levels remain very high, but with slightly longer burn times of 15 minutes. December sees a return to a high exposure category with a burn time of 25 minutes, offering a brief respite.
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 |
| Xiaoweizhai | 7 | 8 | 11 | 11 | 13 | 13 | 14 | 13 | 11 | 10 | 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 |