Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Xiaohuang, China, as it plays a pivotal role in promoting skin health and preventing sunburn. With the region's Cfa climate characterized by warm summers, the risks of harmful UV exposure can significantly increase throughout the day, reaching a peak index of 12 around noon. By being aware of daily UV levels—especially during high-risk hours from 10 AM to 2 PM—you can take necessary precautions to protect your skin and enjoy the outdoors safely. Stay informed and safeguard your health against the sun's powerful rays!
As the sun rises, the UV Index starts off low at 1 by 07:00. However, by 09:00, it climbs rapidly to 6, signaling a shift towards increasing intensity. The peak occurs at 12:00, where the UV Index reaches a significant 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, values begin to decline, dropping to 9 by 14:00 and tapering off to 4 by 16:00. By the evening hours, the numbers dwindle back down to 1 by 18:00 and remain there until 19:00. Be mindful of the midday sun to protect your skin when the UV levels are at their highest!
| 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 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | 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 |
The UV Index exhibits a notable seasonal variation throughout the year, peaking in the summer months. From January through February, the UV Index ranges from 6 to 7, indicating a high risk of harm from unprotected sun exposure, with a burn time of 25 minutes. The risk escalates sharply in March and April to an index of 10, classified as very high, with a reduced burn time of just 15 minutes. The months of May to August present the highest risks, with an extreme UV Index of 11 to 12 and a burn time of only 10 minutes, marking this period as the most critical for sun protection. The risk diminishes slightly in September (UV Index 10) and October (UV Index 9), where the burn time increases to 15 minutes but still remains significant. By November, the UV Index drops to 7 and returns to a high risk, while December sees a further decrease to 5, categorized as moderate with a burn time of 30 minutes. Visitors and residents are strongly advised to take protective measures during high-risk months, especially from March to August, including wearing sunscreen, protective clothing, and seeking shade to minimize sun exposure.
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 |
| Xiaohuang | 6 | 7 | 10 | 10 | 11 | 12 | 12 | 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 |