Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Yamansu, China, where the climate falls within the BWk zone, posing unique sun exposure challenges. With UV levels soaring as high as 12 during midday hours, awareness of these fluctuations is essential for preventing sunburn and protecting skin health. By grasping the significance of UV readings, individuals can better prepare for the sun’s intensity, ensuring safe outdoor activities while enjoying the region's beautiful landscapes. Whether you’re soaking up the sun or engaging in outdoor sports, staying informed about the UV Index can safeguard your skin and enhance your overall well-being.
The UV Index starts off gently at 1 by 7:00 AM, making it a safe time for morning activities. As the day progresses, the index climbs steadily, reaching 3 by 8:00 AM, and 5 by 9:00 AM, indicating a need for some sun protection. The intensity peaks at 12:00 PM with a striking 12, marking the highest risk period between 11:00 AM and 1:00 PM, where applying sunscreen is crucial to avoid harm. The afternoon sees a gradual decline, as the index drops to 11 by 2:00 PM and slides to 9 by 3:00 PM. As the sun begins its descent, the UV Index continues to lessen, landing at 3 by 5:00 PM and settling back to a comfortable 1 by 7:00 PM. Remember to stay sun-safe during the midday hours when the UV levels are at their peak!
| 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 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels exhibit significant seasonal variations, with March through August marked as the high-risk months for sun exposure. During this period, the UV Index peaks between 10 and 12, indicating extreme levels of UV radiation and a burn time as short as 10 minutes. Conversely, from November to February, UV levels are relatively lower, ranging from 3 to 5, which is categorized as moderate, allowing for longer exposure times of up to 30 minutes. Visitors and residents are strongly advised to take precautions, especially during the spring and summer months, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of sunburn and long-term skin damage. Staying informed and proactive in sun safety practices can help ensure a safe and enjoyable experience outdoors.
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 |
| Yamansu | 3 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 9 | 7 | 4 | 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 |