Last updated: July 2, 2025
In Ruyang Chengguanzhen, China, awareness of the UV Index is crucial for safeguarding your skin health and preventing sunburn. Understanding the varying levels of UV radiation throughout the day can help residents and visitors make informed choices about sun protection, especially during the high-risk hours of 10 AM to 2 PM when UV levels soar to a maximum of 10. With a Cwa climate, characterized by humid summers and warm winters, Ruyang Chengguanzhen's typical exposure risks make it essential to stay informed and adopt protective measures to ensure you enjoy the sunshine safely.
The UV Index peaks during the midday sun, reaching a maximum of 10 at noon, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index rises steadily from a mild 1 at 07:00 to an intensity of 9 by 11:00, prompting outdoor enthusiasts to stay protected. From 12:00 to 13:00, the UV Index remains at its highest, encouraging the use of sunscreen, hats, and protective clothing. Following this peak, it begins to dip gradually, falling to 4 by 16:00 and continuing to decrease to 1 by 19:00, when the day winds down and the sun begins to set. It's crucial to be mindful of these fluctuations and take necessary precautions during the peak hours!
| 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 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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, the UV Index demonstrates distinct seasonal variations that dictate sun exposure precautions for both visitors and residents. High-risk months typically range from March to October, where the UV Index frequently peaks at 8 or above, particularly from April to September, when it reaches its maximum of 10. During these months, the recommended burn time drops to just 15 minutes, indicating a significant risk for skin damage. In contrast, the months of January, February, November, and December present a moderate risk with higher burn times of 30 minutes. To ensure safety, it is crucial for individuals to wear sunscreen, protective clothing, and seek shade, especially during peak UV hours from 10 AM to 4 PM in the high-risk months.
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 |
| Ruyang Chengguanzhen | 4 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 9 | 8 | 4 | 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 |