Last updated: May 3, 2025
Understanding the UV Index in Chengkou, China is crucial for safeguarding your skin health and preventing sunburns, especially given the region's Cfa climate, which is characterized by warm summers and notable UV exposure. With peak UV levels soaring to a staggering 13 around noon, being aware of these fluctuations not only helps you enjoy outdoor activities safely but also plays a pivotal role in minimizing long-term skin damage. Knowing when to seek shade or apply sunscreen can make a significant difference in your overall well-being under Chengkou's radiant sun. Stay informed and protect your skin!
The UV Index throughout the day reveals striking fluctuations, peaking at a blistering 13 at noon. Starting under gentle conditions at 07:00 with a maximum of 1, the UV intensity gradually climbs, hitting 3 by 08:00. As the sun ascends, it reaches 6 at 09:00 and skyrockets to 11 by 11:00, warning sun seekers to take precautions. The pinnacle occurs at 12:00, where a relentless 13 signals the need for protective measures. The index then begins a steady decline, dipping to 12 by 13:00, before descending further to 10 at 14:00, and tapering off to 4 by 16:00. As twilight approaches, the UV levels fall swiftly, reaching a safe 0 by 19:00, reminding us of the sun's fleeting power and the importance of sun safety during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | 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 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal fluctuations, peaking during the late spring and summer months. The highest risk months for UV exposure are March to September, where the Index reaches extreme levels of 11 to 13, translating to a burn time as short as 10 minutes under optimal conditions. February and October also register high to very high levels (UV Index of 9 and 10, respectively), necessitating caution. Residents and visitors should take proactive measures during these high-risk periods—seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to mitigate the risks associated with overexposure to UV radiation. As a general reminder, always be mindful of the burn time associated with the UV Index; it varies from 10-15 minutes during peak months to 25 minutes in the colder months, emphasizing the need for vigilance year-round.
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 |
| Chengkou | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 11 | 10 | 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 |