Last updated: July 2, 2025
In Hengdong Chengguanzhen, China, staying aware of the UV Index is essential for safeguarding your skin and overall health. Understanding the UV levels not only helps in preventing sunburn but also plays a crucial role in maintaining long-term skin health, particularly in regions with intense sun exposure. Typically positioned in a Cfa climate zone, Hengdong Chengguanzhen experiences significant UV risks, especially during peak hours such as midday when the index can soar up to 13. By being informed about these levels, residents and visitors alike can take proactive measures to protect themselves from harmful UV rays.
Beginning at 07:00, the UV Index (UVI) starts the day low at 1, gradually rising to a moderate 3 by 08:00. The real intensity kicks in around 09:00 with a UVI of 5, reaching a peak of 13 by 12:00. The sun shines brightest at 11:00, with the UVI soaring to 11, making it essential to take precautions. As the afternoon progresses, the index begins to wane, dropping to 10 at 14:00, and then further down to 7 by 15:00. By 16:00, the UVI decreases to 5, and as the sun sets, it gently falls to 1 again at 18:00. The day concludes with a UVI of 1 at 19:00, signaling a return to safer levels. Stay protected 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 | 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 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal UV changes indicate a significant increase in UV Index from January to July, with the highest levels occurring during the summer months of May to July, which are categorized as extreme (UV Index levels 11-13). The high-risk months for UV exposure are March through August, particularly when UV levels reach very high and extreme ranges. During these periods, burn times are notably short, with only 10-15 minutes recommended for safe sun exposure. Visitors and residents should take precautions by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage. As the year progresses into October and November, UV exposure decreases, but caution should still be maintained in January and February, where high UV levels persist.
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 |
| Hengdong Chengguanzhen | 6 | 7 | 9 | 10 | 11 | 12 | 13 | 12 | 10 | 9 | 7 | 5 |
| 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 |