Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors in Chaling Chengguanzhen, China, where the climate can pose unique sun exposure risks. With peak UV levels soaring to an impressive 13 around midday, awareness of these levels is crucial for effective sunburn prevention and maintaining skin health. Since Chaling Chengguanzhen experiences a Cfa climate, characterized by warm, humid summers, high UV exposure can lead to serious skin damage if precautions are not taken. By staying informed about the UV Index, you can better protect yourself and enjoy the beautiful outdoors safely.
The UV Index throughout the day demonstrates a dramatic rise and fall, peaking at 13 around 12:00 PM. Starting from a modest 1 at 07:00 AM, it steadily climbs to a notable 11 by 11:00 AM. The intensity continues to surge, reaching its zenith at 12:00 PM before gradually tapering off. At 1:00 PM, it slightly declines to 12 and then decreases to 11 by 2:00 PM. The waning sunlight brings the UV Index down to 8 at 3:00 PM, and it continues its descent, falling to 2 by 5:00 PM and settling back to a safe 1 by 7:00 PM. This data highlights the importance of sun protection during the midday hours when UV exposure peaks, reminding us to stay safe while enjoying the outdoors.
| 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 | 13 | 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 |