Last updated: August 1, 2025
In Yuanmao, China, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its BSk climate, the region experiences significant variations in UV exposure, particularly during midday when levels can soar as high as 13. This heightened UV index underscores the necessity for residents and visitors alike to be vigilant about sun protection practices. Knowing how to interpret the UV levels can help you enjoy the outdoors safely while minimizing the risk of skin damage. Whether you’re enjoying a sunny afternoon or just stepping out for a quick errand, awareness of the UV Index is your best defense against harmful rays.
The UV Index today presents a dramatic shift as the sun climbs higher in the sky. Starting at a mild 1 at 7:00 AM, the intensity rises steadily, reaching 2 by 8:00 AM. A notable leap occurs at 9:00 AM where it hits 4, signaling a more intense sun. The peak arrives at 1:00 PM with a blistering 13, urging sun safety precautions. As the day progresses, the index begins to ease: 11 at 2:00 PM, dropping to 9 by 3:00 PM. By 6:00 PM, the UV Index reduces to 2, and finally settles back to 1 around 7:00 PM. Stay vigilant during the midday hours; your skin will thank you!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variation, peaking during the summer months. January and February have moderate UV levels (Index 4-5), allowing for 30 minutes of safe sun exposure. However, starting in March, the risk increases with a high UV Index of 7 and a reduced burn time of 25 minutes. As we transition into April and May, the risk escalates dramatically, reaching very high levels of 10-12, requiring protective measures with only 10-15 minutes of safe exposure. The extreme conditions continue through July and August, where the UV Index peaks at 13, emphasizing the importance of sun safety. In September and October, the UV Index remains very high, while November and December offer more moderate exposure levels again at 5 and 3 respectively. For visitors and residents, it’s critical to stay informed about UV changes, particularly between March and October, to ensure sun safety by wearing sunscreen, protective clothing, and avoiding peak sun hours.
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 |
| Yuanmao | 4 | 5 | 7 | 10 | 12 | 12 | 13 | 11 | 10 | 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 |