Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Chaling Chengguanzhen, China, where the climate is classified as Cfa, characterized by hot summers and mild winters. With UV levels peaking dramatically throughout the day—reaching a maximum of 12 from 12 PM to 1 PM—being aware of these fluctuations is essential for preventing sunburn and promoting long-term skin health. As the sun’s intensity increases, so do the risks of UV exposure, making it imperative for locals and visitors alike to stay informed and protected during peak hours. Keeping an eye on the UV Index can help safeguard your skin against the damaging effects of sun exposure, ensuring a healthier, happier lifestyle in this vibrant region.
The UV Index provides a clear snapshot of sun exposure throughout the day, peaking at 12 around noon. Starting the morning at a mild level of 1 at 07:00, the index swiftly climbs, reaching 11 by 11:00. The intensity plateaus at its highest point of 12 between 12:00 and 13:00, indicating a critical time for sun safety. As the afternoon progresses, the UVI declines, dropping to 10 at 14:00, and gradually softening to 4 by 16:00. By the evening hours, the index falls back to a comfortable 1 by 18:00, making later hours more forgiving for outdoor activities. Stay protected and plan your sun exposure wisely!
| 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | 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, seasonal changes in UV Index highlight significant fluctuations in sun exposure risk. High-risk months are predominantly from April to August, where the UV Index peaks at 12-13, categorized as extreme and resulting in a very short burn time of just 10 minutes. Even early in the year, February through March presents very high exposure levels, with burn times as low as 15 minutes. Visitors and residents are advised to take necessary precautions during these critical months, such as wearing sunscreen with a high SPF, donning protective clothing, and seeking shade during peak sun hours to minimize skin damage and lower the risk of heat-related issues. It's essential to remain vigilant throughout the year, especially during the highest UV readings of summer.
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 |
| Chaling Chengguanzhen | 6 | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 10 | 9 | 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 |