Last updated: June 2, 2025
In Weishi Chengguanzhen, China, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels not only helps prevent sunburn but also plays a vital role in maintaining long-term skin health. With a Cwa climate characterized by hot summers, residents and visitors should be particularly vigilant, as the UV Index peaks at a significant 10 between noon and 1 PM. This highlights the potential risks of excessive sun exposure, making it essential to stay informed and take appropriate precautions throughout the day.
The UV Index throughout the day paints a vivid picture of sun intensity. Starting at a mild 1 at 7:00 AM, the index gradually climbs, reaching a more noticeable 3 by 8:00 AM. The real surge occurs between 9:00 AM and 12:00 PM, where it peaks at 10—a crucial time for sun protection. After that, it begins to gently decline, with 9 at 1:00 PM, 8 at 2:00 PM, and dropping further to 6 by 3:00 PM. As the sun starts its descent, the index sees a steady fall, ending at a comfortable 1 by 6:00 PM, making the later hours much safer for outdoor activities. Pay attention to the height of UV levels around midday for optimal sun safety!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal changes, with high-risk months emerging from late spring to summer. Specifically, March begins a notable increase, reaching a very high UV Index of 8 in April, while May and June see a peak of 10. The extreme levels in July and August, with a UV Index of 11, indicate the highest risk for skin damage during these months, where burn time drops to just 10 minutes. As UV levels decrease in September and October, caution is still advised, as they remain very high. In contrast, January, February, November, and December show moderate levels, allowing for relaxed sun exposure. To protect your skin, especially during high-risk months, it is essential for both visitors and residents to apply sunscreen regularly, wear protective clothing, and seek shade during peak sunlight hours.
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 |
| Weishi Chengguanzhen | 3 | 5 | 7 | 8 | 10 | 10 | 11 | 11 | 8 | 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 |