Last updated: July 2, 2025
Understanding the UV Index in Huaiyuan Chengguanzhen, China, is crucial for safeguarding your skin and overall health. With UV levels peaking at a hazardous 10 during midday hours, awareness is key to preventing sunburn and long-term skin damage. This region, characterized by its humid subtropical climate (Cfa), experiences a significant amount of sunlight throughout the year, making it essential for residents and visitors to monitor daily UV exposure. By staying informed about the UV Index and adapting sun protection strategies accordingly, you can enjoy the outdoors while keeping your skin safe from potential harm.
As the sun rises, the UV Index steadily climbs, peaking at a striking 10 between noon and 1 PM. Starting from a gentle 2 at 7 AM, the index reaches 3 by 8 AM, before surging to 5 at 9 AM. By 10 AM, it escalates to a moderate 7, and the midday sun pushes it to a 9 by 11 AM. The intensity peaks at 12 PM and 1 PM, making it crucial to take sun protection measures at this time. Gradually, the index descends in the afternoon, falling to 8 at 2 PM and continuing to decline to 6 by 3 PM. As daylight fades, the index drops to 3 at 4 PM and dwindles to a mere 1 by 6 PM, signaling a significant reduction in UV radiation as the day draws to a close.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | 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 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index displays notable seasonal changes, with high-risk months typically occurring from March to October. During this period, the UV Index peaks at 10 in June, July, and August, indicating a very high exposure category with a burn time of just 15 minutes. As spring transitions into summer, the risk of UV-related skin damage increases significantly, especially in April and May, where the index reaches 9. As autumn approaches, the UV Index gradually decreases but remains above moderate levels, with September and October still showing values of 9 and 8, respectively. To protect yourself, visitors and residents are advised to seek shade, wear protective clothing, and apply sunscreen, particularly during these high-risk months when UV exposure is at its peak.
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 |
| Huaiyuan Chengguanzhen | 4 | 5 | 7 | 9 | 9 | 10 | 10 | 10 | 9 | 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 |